Frequency of Symptoms of Ovarian Cancer in Women Presenting to Primary Care Clinics

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ORIGINAL CONTRIBUTION

Frequency of Symptoms of Ovarian Cancer
in Women Presenting to Primary Care Clinics
Barbara A. Goff, MD                         Context Women with ovarian cancer frequently report symptoms prior to diagno-
Lynn S. Mandel, PhD                         sis, but distinguishing these symptoms from those that normally occur in women re-
                                            mains problematic.
Cindy H. Melancon, RN†
                                            Objective To compare the frequency, severity, and duration of symptoms between
Howard G. Muntz, MD                         women with ovarian cancer and women presenting to primary care clinics.

O
             VARIAN CANCER HAS OF -         Design, Setting, and Patients A prospective case-control study of women who
              ten been called the “silent   visited 2 primary care clinics (N=1709) and completed an anonymous survey of symp-
              killer” because symptoms      toms experienced over the past year (July 2001-January 2002). Severity of symptoms
                                            was rated on a 5-point scale, duration was recorded, and frequency was indicated as
              are not thought to de-
                                            number of episodes per month. An identical survey was administered preoperatively
velop until advanced stages when            to 128 women with a pelvic mass (84 benign and 44 malignant).
chance of cure is poor. In fact, text-
                                            Main Outcome Measures Comparison of self-reported symptoms between ovar-
books in internal medicine, family prac-
                                            ian cancer patients and women seeking care in primary care clinics.
tice, and even gynecology state that
symptoms do not occur until the dis-        Results In the clinic population, 72% of women had recurring symptoms with a me-
ease is advanced.1-4 However, several       dian number of 2 symptoms. The most common were back pain (45%), fatigue (34%),
                                            bloating (27%), constipation (24%), abdominal pain (22%), and urinary symptoms
retrospective studies have indicated that   (16%). Comparing ovarian cancer cases to clinic controls resulted in an odds ratio of
the majority of patients do have symp-      7.4 (95% confidence interval [CI], 3.8-14.2) for increased abdominal size; 3.6 (95%
toms, although not necessarily gyne-        CI, 1.8-7.0) for bloating; 2.5 (95% CI, 1.3-4.8) for urinary urgency; and 2.2 (95% CI,
cologic in nature.5-9 These studies have    1.2-3.9) for pelvic pain. Women with malignant masses typically experienced symp-
been criticized because of small num-       toms 20 to 30 times per month and had significantly more symptoms of higher se-
bers of patients included and the ret-      verity and more recent onset than women with benign masses or controls. The com-
rospective chart analyses used for data     bination of bloating, increased abdominal size, and urinary symptoms was found in
collection.                                 43% of those with cancer but in only 8% of those presenting to primary care clinics.
   In a previous study, we surveyed 1725    Conclusions Symptoms that are more severe or frequent than expected and of re-
women with ovarian cancer.10 Surveys        cent onset warrant further diagnostic investigation because they are more likely to be
were returned from women in 46 states       associated with both benign and malignant ovarian masses.
and 4 Canadian provinces. We found          JAMA. 2004;291:2705-2712                                                         www.jama.com

that 95% of women with ovarian can-
cer reported symptoms prior to diagno-      vanced disease reported symptoms.            tient delays (ignoring symptoms) and
sis, with the most common being ab-         There was no significant difference in the   physician delays (wrong diagnosis, not
dominal (77%), gastrointestinal tract       type of symptoms based on early or late-     performing pelvic examination, not or-
(70%), pain (58%), constitutional (50%),    stage disease. Other investigators have      dering radiographic studies, or not de-
urinary (34%), and pelvic (26%). Inter-     also shown that 80% to 90% of women          termining serum cancer antigen 125
estingly, gynecologic symptoms were the     with early stage disease will report symp-   levels).10 To date, screening modali-
least common of the major groups of         toms for several months prior to diag-       ties for asymptomatic women, such as
symptoms. When we evaluated symp-           nosis.11-13                                  serum cancer antigen 125 and trans-
toms by stage of disease, we found that        Identification of early symptoms may
                                            have important clinical implications be-     Author Affiliations: Department of Obstetrics and Gy-
in contrast to what is published in most                                                 necology, University of Washington School of Medi-
textbooks, 89% of women with stage I/II     cause 5-year survival for early stage dis-   cine, Seattle (Drs Goff and Mandel); Conversations,
                                            ease is 70% to 90% compared with 20%         Amarillo, Tex (Ms Melancon); and Virginia Mason
disease reported symptoms prior to their                                                 Medical Center, Seattle, Wash (Dr Muntz).
diagnosis and 97% of those with ad-         to 30% for advanced-stage disease.14         †Deceased.
                                            Other important findings from our prior      Corresponding Author: Barbara A. Goff, MD, Divi-
                                                                                         sion of Gynecologic Oncology, Box 356460, Univer-
                                            study were that advanced disease was         sity of Washington School of Medicine, Seattle, WA
For editorial comment see p 2755.
                                            significantly associated with both pa-       98195 (bgoff@u.washington.edu).

©2004 American Medical Association. All rights reserved.                          (Reprinted) JAMA, June 9, 2004—Vol 291, No. 22 2705
SYMPTOMS OF OVARIAN CANCER

vaginal ultrasound, have not been                tinguish symptoms that occur com-             stage of disease. All women signed in-
shown to be effective in reducing the            monly from those that are more likely         formed consent.
morbidity or mortality of ovarian can-           to be associated with ovarian cancer.            Statistical analysis was performed us-
cer.15 If there were a way for patients             The purpose of this study was to           ing SPSS statistical software (version
and physicians to recognize early symp-          identify the frequency, severity, and du-     10.1, SPSS Inc, Chicago, Ill). Continu-
toms of ovarian cancer, then this may            ration of symptoms typically associ-          ous variables were compared using in-
have a favorable impact on survival,             ated with ovarian cancer in a popula-         dependent tests for 2 groups and analy-
even in the absence of accurate screen-          tion of women presenting to primary           sis of variance with post hoc tests for
ing studies for asymptomatic women.              care clinics. Comparison was made with        more than 2 groups. Categorical vari-
   Another important case-control study          128 women with ovarian masses who             ables were analyzed with ␹2 (for mul-
was reported by Olson et al11 from Me-           were surveyed about symptoms prior            tiple groups) or Mann-Whitney U (for
morial Sloan-Kettering Cancer Center in          to surgery and before a cancer or be-         2 groups) and medians were analyzed
New York, NY. Women with ovarian                 nign diagnosis was established.               using the Kruskal-Wallis H test. Cor-
cancer (n=168) and controls (n=251)                                                            relations were performed with Pear-
were interviewed about symptoms over             METHODS                                       son correlation. P⬍.05 was consid-
the previous 6 months. Those with can-           Approval for this study was obtained          ered significant.
cer were interviewed on average 4 to 5           from the institutional review boards at
months after diagnosis. These authors            the University of Washington and Vir-         RESULTS
found significant differences in symp-           ginia Mason Medical Center, both in Se-       In the primary care clinics, 1709 women
toms between ovarian cancer patients             attle. Women visiting either of 2 pri-        completed the survey over the 6-month
and controls, with bloating, lack of ap-         mary care clinics (Family Medicine and        period. Approximately 12000 visits by
petite, abdominal pain, fatigue, urinary         Women’s Clinic) at the University of          women were made. Because a large per-
frequency, and constipation occurring            Washington were asked to voluntarily          cent (30%-50%) were repeat visits
significantly more frequently in cases           fill out an anonymous survey about the        within the 6-month period, it was not
than in controls. When the authors               symptoms they had experienced over            possible to calculate an accurate re-
looked specifically at patients with early       the past year. Participants were given        sponse rate to the survey. Patients were
stage disease, they also found that 89%          a list of 20 symptoms that are typically      instructed not to fill out more than 1
of these patients complained of symp-            associated with ovarian cancer (BOX).         survey. The median age of the pa-
toms prior to diagnosis. For women with          These included pain, eating difficul-         tients surveyed was 45 years (range,
early stage disease, bloating was the most       ties, abdominal symptoms, bladder             15-90 years). A total of 430 patients
common symptom, followed by gastro-              symptoms, bowel symptoms, menses,             (25%) made a clinic visit for a general
intestinal tract disturbances.                   sexual intercourse, and constitutional        check up, 224 (13%) were visiting only
   While both our prior study10 and Ol-          symptoms. They were asked to rate the         for a mammogram, and 1055 (62%) ap-
son et al11 suggest that the majority of         severity on a 5-point scale, provide the      pointments were for specific prob-
women with early and late-stage ovar-            frequency of symptoms as number of            lems. The majority of surveys (78%)
ian cancer have symptoms, both of                episodes per month, and indicate how          were returned from patients visiting the
these studies have weaknesses that need          long the symptom had been present. In         Women’s Clinic. The racial distribu-
to be addressed. In both studies, women          addition, they were surveyed about age,       tion of respondents was 81% white, 6%
were surveyed or interviewed months              race, parity, education, past medical his-    Asian, 5% black, 2% Native American,
to years after their diagnosis, making           tory, and reason for the clinic visit. Sur-   2% Hispanic, and 4% unknown (not
recall bias a significant issue. Another         veys were filled out over a 6-month pe-       indicated). The highest level of educa-
concern is the issue of selection bias.          riod ( July 2001-January 2002).               tion reported was 8th grade or less for
In particular, the control group in the              A second group of women about to          1%; between 9th and 11th grade, 2%;
Olson et al study was not necessarily            have surgery to remove an ovarian or          12th grade or high school diploma,
women seeking medical care—most                  pelvic mass filled out an identical form      12%; 2 years of college, 16%; 4 years
were contacted by random dialing or              regarding their symptoms over the pre-        of college, 33%; graduate degree, 33%;
were convenience controls. One of the            vious year. These were women who pre-         and unknown (not indicated), 3%.
major criticisms of both studies has             sented for gynecology services at both        Sixty-four percent of women had been
come from physicians in primary care             University of Washington and Vir-             pregnant and 52% had delivered chil-
who point out that many women who                ginia Mason Medical Center. Surveys           dren. Regarding medical history, 12%
present for routine care frequently do           were completed prior to surgery and be-       indicated they had hypertension, 4%
complain of symptoms that are typi-              fore women were aware of the patho-           diabetes, 3% heart disease, 4% breast
cally associated with ovarian cancer but         logical diagnosis (benign or malignant).      cancer, 1% endometrial cancer, 12%
who do not have the disease. There               Surveys were then correlated with sur-        thyroid disease, and 7% irritable bowel
needs to be an appropriate way to dis-           gical pathological characteristics and        syndrome (IBS).
2706   JAMA, June 9, 2004—Vol 291, No. 22 (Reprinted)                           ©2004 American Medical Association. All rights reserved.
SYMPTOMS OF OVARIAN CANCER

   Of the women who presented for pri-      (P = .02). Women with hypertension,
mary care, 95% reported at least 1 symp-    pulmonary disease, cardiac disease, and       Box. Questionnaire on
tom in the past year. The most com-         prior history of cancer did not report a      20 Symptoms
mon symptoms were back pain (60%),          higher number of symptoms com-                Typically Associated
fatigue (52%), indigestion (37%), uri-      pared with other women in the clinic          With Ovarian Cancer
nary tract problems (35%), constipa-        population.                                   Have you had any of the following
tion (33%), and abdominal pain (28%).          When we evaluated the impact of age        symptoms in the past year? If you had
The median number of reported symp-         on symptoms, we found that women              a symptom, please indicate the se-
toms was 4. The median severity of all      with no symptoms were significantly           verity, frequency (number of times
symptoms was between 2 and 3. In 72%        more likely to be postmenopausal than         per month), and duration of the
of cases, women had symptoms that oc-       premenopausal (P = .003). All symp-           symptom.
curred at least once per month. The most    toms were less common as age in-              Pain
common recurring symptoms were back         creased except for urinary tract symp-          Pelvic
pain (45%), fatigue (34%), indigestion      toms. There was a significant decrease          Abdominal
(28%), constipation (24%), abdominal        in severity of symptoms except for uri-         Back
pain (22%), and urinary tract prob-         nary tract symptoms, which signifi-           Eating
lems (16%). The median number of re-        cantly increased in severity with age           Indigestion
curring symptoms was 2 and the me-          (P⬍.001).                                       Unable to eat normally
dian severity for all recurring symptoms       There were 128 women with pelvic             Nausea or vomiting
was between 2 and 3.                        masses who completed a survey of                Weight loss
   Among those who presented to pri-        symptoms. Most (70%) of these women           Abdomen
mary care clinics, there was no signifi-    lived in the western Washington area,           Abdominal bloating
cant difference in the type of symp-        which is a population area with ap-             Increased abdomen size
tom, frequency, severity, or duration       proximately 2 million women. The re-            Able to feel abdominal mass
between the women who presented to          mainder were referred from rural east-        Bladder
the Family Medicine Clinic compared         ern Washington, Idaho, or Alaska (a
                                                                                            Urinary urgency
with the Women’s Clinic. Women pre-         population of approximately 1 mil-              Frequent urination
senting for a general check up re-          lion women). Eighty-four had benign
ported significantly fewer symptoms in      masses (n=74) or tumors of low ma-            Bowels
the past year (3 vs 4; P=.001) and fewer    lignant potential (n=10). In 44 cases,          Constipation
recurring symptoms (1 vs 2; P = .001)       women had malignant epithelial can-             Diarrhea
than women presenting for a problem         cers: 11 with early stage disease and 33      Menses
visit. TABLE 1 shows the most com-          with advanced disease. In the women            Menstrual irregularities
mon symptoms for those women                with benign disease, the median age was        Bleeding after menopause
(n = 1011) presenting for a problem         55 years and 95% of the women re-             Intercourse
visit. The median number of symp-           ported symptoms in the prior year; 67%           Pain during intercourse
toms reported by these women was 4          reported recurring symptoms; 8% re-              Bleeding with intercourse
and the median number of recurrent          ported having symptoms for 6 to 12
                                                                                          Miscellaneous
symptoms was 2. Women with diabe-           months; and 19% reported having
                                                                                           Fatigue
tes, thyroid disease, and irritable bowel   symptoms for more than 1 year before           Leg swelling
syndrome (IBS) had significantly more       seeing a clinician. The median num-            Other
symptoms than other women in the            ber of symptoms was 4 and the me-              No symptoms
clinic population. Women with IBS           dian number of recurring symptoms
were significantly more likely to have      was 2 (n=84). In the group with ma-
fatigue, gastrointestinal tract com-        lignancy, the median age was 55 years
plaints and abdominal pain compared         and 94% of the women reported symp-        toms before seeking medical atten-
with other clinic patients (P⬍.001). The    toms in the prior year with 67% hav-       tion, 36% had symptoms for 2 months
median number of symptoms re-               ing recurring symptoms. The median         or less; 24%, 2 to 3 months; 3%, 5 to 6
ported by those with IBS was 6 and the      number of symptoms was 8 and the me-       months; 8%, 7 to 12 months; and 14%,
median number of recurrent symp-            dian number of recurring symptoms          more than 1 year.
toms was 4. Women with diabetes were        was 4 (n = 44). This number was sig-          Table 1 shows a comparison of re-
significantly more likely to have back      nificantly higher than the number of       ported symptoms for women with ovar-
pain, urinary tract symptoms, consti-       symptoms reported in the clinic, IBS,      ian cancer and those who presented for
pation, fatigue, and abdominal pain         or benign mass population (P = .01).       problem visits. A separate comparison
compared with other clinic patients         When asked the duration of symp-           of women with malignancy and IBS re-
©2004 American Medical Association. All rights reserved.                        (Reprinted) JAMA, June 9, 2004—Vol 291, No. 22 2707
SYMPTOMS OF OVARIAN CANCER

vealed significantly higher percent-                         vs 49%), increased abdominal size (64%              centages of diarrhea (25% vs 66%) and
ages in those with malignancy for pel-                       vs 32%), and urinary tract symptoms                 indigestion (36% vs 52%) were found
vic pain (41% vs 25%), bloating (70%                         (55% vs 33%). Significantly lower per-              among those with ovarian cancer.
                                                                                                                 TABLE 2 shows the odds ratios (ORs)
                                                                                                                 for symptoms in patients with ovarian
Table 1. Women Reporting Various Symptoms in the Past Year
                                                                                                                 cancer compared with the other groups.
                                                           No. (%) of Women
                                                                                                                 Women with ovarian cancer were sig-
                                              Ovarian Cancer                    Clinic Visit                     nificantly more likely to have pelvic
         Symptom                                 (n = 44)                       (n = 1011)*         P Value
                                                                                                                 pain, abdominal pain, difficulty eat-
Type of pain
    Pelvic                                         18 (41)                        264 (26)             .02       ing, bloating, increased abdominal size,
    Abdominal                                      22 (50)                        301 (30)             .006      and urinary urgency compared with
    Back                                           15 (34)                        617 (61)             .001      women seeking care in primary care
Indigestion                                        16 (36)                        374 (37)             .54       clinics. When compared with women
Nausea                                              6 (14)                        224 (22)            .15        with IBS, the only significant differ-
Bloating                                           30 (70)                        385 (38)           ⬍.001       ences were an increase in pelvic pain,
Increased abdominal size                           28 (64)                        197 (19)           ⬍.001       bloating, abdominal size, and urinary
Fatigue                                            27 (61)                        548 (54)             .21       tract symptoms. A comparison of symp-
Urinary tract                                      24 (55)                        323 (32)             .002      toms between those women with be-
Constipation                                       22 (50)                        363 (36)             .09       nign and malignant ovarian masses is
Diarrhea                                           11 (25)                        329 (32)             .25       shown in TABLE 3. Evaluating the com-
Postmenopausal bleeding                             1 (2)                          36 (4)              .56       bination of bloating, increased abdomi-
Menstrual irregularity                              8 (18)                        260 (25)             .22       nal size, and urinary tract symptoms re-
Combination of symptoms                                                                                          vealed that 43% of women with cancer
    3†                                             19 (43)                         81 (8)            ⬍.001       complained of all 3 symptoms com-
    4‡                                             12 (27)                         44 (4)            ⬍.001       pared with only 10% with benign
*Patients did not have irritable bowel syndrome. Excludes patients who presented for routine checkup or mammo-
  gram only.                                                                                                     masses, 13% with IBS, and 8% of the
†Bloating, increased abdominal size, and urinary urgency.                                                        clinic population (P⬍.001). Com-
‡Bloating, increased abdominal size, urinary urgency, and constipation.
                                                                                                                 pared with cancer cases, the ORs for the
                                                                                                                 combination of 3 symptoms were 9.4
Table 2. Women With Ovarian Cancer Compared With Those Without Ovarian Cancer                                    for clinic controls, 5.4 for IBS, and 5.3
                                                                       OR (95% CI)                               for benign ovarian mass cases (Table 2).
                                        Cancer vs Benign                Cancer vs Clinic        Cancer vs        Correlation of symptoms was evalu-
          Symptom                        Ovarian Tumor                     Patients*           IBS Patients      ated for each group of women. In pa-
Type of pain                                                                                                     tients with malignancy, bloating was
     Pelvic                                1.8 (0.8-4.0)                  2.2 (1.2-3.9)        2.6 (1.2-5.6)
                                                                                                                 more highly correlated with increased
     Abdominal                             1.8 (0.8-4.0)                  2.3 (1.2-4.4)        0.7 (0.3-1.5)
                                                                                                                 abdominal size and urinary urgency
     Back                                  1.4 (0.6-3.3)                  0.4 (0.2-0.7)        0.4 (0.2-0.8)
                                                                                                                 compared with the other groups.
Difficulty eating                          2.5 (0.9-6.8)                  2.5 (1.3-5.0)        1.5 (0.7-3.7)
                                                                                                                    Comparison of severity of symptoms
Nausea                                     0.9 (0.3-2.5)                  0.6 (0.2-1.4)        0.6 (0.2-1.4)
                                                                                                                 among clinic patients and patients with
Weight loss                                0.4 (0.1-1.6)                  0.7 (0.2-2.1)        0.8 (0.2-3.2)
                                                                                                                 a benign ovarian mass, ovarian cancer,
Bloating                                   3.5 (1.5-8.2)                  3.6 (1.8-7.0)        3.0 (1.3-6.7)
                                                                                                                 or IBS revealed that bloating was signifi-
Increased abdominal size                   3.0 (1.3-6.9)                  7.4 (3.8-14.2)       4.6 (2.1-10.1)
                                                                                                                 cantly more severe in those patients with
Abdominal mass                             1.4 (0.5-3.4)                  5.4 (2.4-12.0)       7.4 (2.3-23.5)
                                                                                                                 benign and malignant ovarian masses
Fatigue                                    1.1 (0.5-2.6)                  1.4 (0.7-2.7)        1.1 (0.5-2.3)
Urinary tract
                                                                                                                 and those with IBS compared with other
    Urgency                                3.5 (1.6-8.2)                  2.5 (1.3-4.8)        2.6 (1.2-5.7)     clinic patients (P=.001). When we evalu-
    Frequency                              1.9 (0.8-4.3)                  1.5 (0.8-2.8)        2.5 (1.2-5.3)     ated symptoms with a severity of 4 or
Constipation                               3.5 (1.5-8.1)                  1.6 (0.9-3.0)        1.0 (0.5-2.2)     greater (TABLE 4), we found that women
Diarrhea                                   1.6 (0.6-3.9)                  0.7 (0.4-1.4)        0.2 (0.1-0.5)     with ovarian cancer and IBS are signifi-
Menstrual irregularity                     1.2 (0.5-3.3)                  0.7 (0.3-1.4)        0.7 (0.3-1.7)     cantly more likely to have more severe
Combination of symptoms                                                                                          symptoms compared with women with
  3†                                       5.3 (2.2-12.6)                 9.4 (5.0-17.7)       5.4 (2.4-12.2)    benign masses and other clinic pa-
  4‡                                       6.2 (2.0-18.8)                 8.6 (4.2-17.4)       3.8 (1.5-9.7)     tients.
Abbreviations: CI, confidence interval; IBS, irritable bowel syndrome; OR, odds ratio.
*Excludes those patients who presented for routine checkup or mammogram only.                                       Comparison of median frequency of
†Bloating, increased abdominal size, and urinary urgency.                                                        symptoms is shown in TABLE 5. Women
‡Bloating, increased abdominal size, urinary urgency, and constipation.
                                                                                                                 with malignancies have more fre-
2708      JAMA, June 9, 2004—Vol 291, No. 22 (Reprinted)                                       ©2004 American Medical Association. All rights reserved.
SYMPTOMS OF OVARIAN CANCER

quent pelvic pain, abdominal pain,
                                              Table 3. Comparison of Benign and Malignant Ovarian Masses*
bloating, fatigue, and urinary tract
                                                                                                                         Median             No. (%) With
symptoms compared with other clinic                                               Total No. (%)           P             Symptom              Recurring        P
patients. Women with ovarian cancer                    Symptom                     of Women             Value            Severity            Symptoms       Value
typically report that symptoms occur          Pelvic pain
                                                  Benign                            31 (37)                                3.0               13 (16)
every day compared with clinic pa-                                                                        .93                                                .20
                                                  Malignant                         18 (41)                                4.0               13 (29)
tients who typically only have symp-
                                              Abdominal pain
toms 2 to 3 times per month. Interest-            Benign                            35 (42)                                3.0               18 (21)
                                                                                                          .21                                                .44
ingly, women with benign masses have              Malignant                         22 (50)                                4.0               13 (29)
a high frequency of bloating, fatigue,        Bloating
and constipation—each of which oc-                Benign                            41 (49)
                                                                                                          .01
                                                                                                                           3.0               17 (20)
                                                                                                                                                             .02
cur almost daily.                                 Malignant                         30 (70)                                3.0               20 (45)
   Evaluation of duration of symptoms         Increased abdominal size
                                                  Benign                            38 (45)                                3.0               13 (15)
is shown in TABLE 6. In general, women                                                                    .02                                                .33
                                                  Malignant                         28 (64)                                4.0                9 (21)
with both benign and malignant masses
                                              Fatigue
have symptoms of significantly shorter            Benign                            47 (56)                                3.0               21 (25)
                                                                                                          .63                                                .83
duration. For women with malig-                   Malignant                         27 (61)                                3.0               11 (24)
nancy, the median duration is 6 months        Urinary tract
or less for all reported symptoms. For            Benign                            26 (31)
                                                                                                          .02
                                                                                                                           3.0               10 (12)
                                                                                                                                                             .34
women with IBS or other clinic pa-                Malignant                         24 (55)                                4.0                8 (19)
tients, the median duration of symp-          Constipation
                                                  Benign                            21 (25)                                3.0               13 (15)
toms is typically 12 to 24 months.                                                                        .01                                                .17
                                                  Malignant                         22 (50)                                3.0               11 (24)
   Secondary analysis was performed in
                                              *Symptom severity scale is rated on a scale of 1 to 5, with 1 being minimal and 5 being severe.
women with early (n=11) vs late-stage
(n=33) ovarian malignancy. TABLE 7
                                              Table 4. Symptom Severity of 4 or Higher*
shows the comparison of symptom re-
                                                                                                         No. (%) of Women
porting. The small numbers limit the
power of the analysis, but most symp-                                                                     Benign
                                                                                Ovarian Cancer          Ovarian Mass                IBS          Clinic       P
toms, including bloating, were seen with               Symptom                     (n = 44)               (n = 84)               (n = 109)     (n = 1600)   Value
equal frequency between the 2 groups.         Type of pain
There were also no differences in fre-            Pelvic                              16 (36)               13 (15)               10 (9)        160 (10)    ⬍.001
quency, severity, or duration; how-               Abdominal                           10 (23)                9 (11)               22 (21)       121 (7)     ⬍.001
ever, larger numbers of cases are re-         Indigestion                              4 (9)                 4 (5)                16 (15)       111 (7)      .03
quired to confirm these findings.             Bloating                                20 (45)               12 (14)               19 (17)       123 (8)     ⬍.001
                                              Increased abdominal size                18 (41)               12 (14)               15 (14)        86 (5)      .001
COMMENT                                       Fatigue                                 10 (23)               12 (14)               30 (27)       269 (17)     .02
Over the past decade, research efforts        Urinary tract                           11 (25)                6 (7)                21 (19)       192 (12)    ⬍.001
have focused on screening and diagnos-        Constipation                             9 (20)                6 (7)                19 (17)       106 (7)     ⬍.001
tic protocols to detect ovarian cancer        Diarrhea                                 2 (5)                    6 (7)             26 (24)         93 (6)    ⬍.001
during the early stages. Unfortunately,       Abbreviation: IBS, irritable bowel syndrome.
                                              *Symptom severity scale is rated on a scale of 1 to 5, with 1 being minimal and 5 being severe.
attaining this goal has remained elu-
sive, and to date no screening test or sur-   Table 5. Median Number of Episodes of Each Symptom per Month
veillance strategy has been shown to re-
                                                                                                      Median (IQR)
duce ovarian cancer mortality.15 In a
study evaluating the efficacy of trans-                            Ovarian Cancer           Benign Ovarian Mass                IBS               Clinic       P
                                                Symptom               (n = 44)                    (n = 84)                  (n = 109)          (n = 1600)   Value
vaginal sonographic screening in 14469
                                              Type of pain
asymptomatic women at risk for ovar-             Pelvic                24 (3-30)                      4 (1-29)                   2 (1-5)         2 (1-4)     .001
ian cancer, Van Nagell et al 16 con-             Abdominal             30 (3-30)                      7 (4-30)                   3 (1-14)        2 (1-5)    ⬍.001
cluded that annual transvaginal ultra-        Indigestion              18 (5-30)                     9 (3-39)                    4 (2-23)        3 (2-9)     .03
sound examinations are associated with        Bloating                 30 (4-30)                    20 (1-30)                    4 (1-18)        2 (1-5)    ⬍.001
a decrease in stage at detection and a de-    Fatigue                  30 (20-30)                   28 (8-30)                25 (4-30)          8 (3-29)    ⬍.001
crease in case-specific ovarian cancer        Urinary tract            30 (23-30)                    5 (3-30)                20 (4-30)         12 (3-30)     .02
mortality. However, in this study there       Constipation             14 (4-30)                    25 (6-30)                 2 (1-5)           2 (1-5)     ⬍.001
were 57214 scans performed, and if the        Diarrhea                   4 (2-15)                     4 (1-30)                   3 (1-6)         2 (1-4)     .05
6 patients with borderline and granu-         Abbreviations: IBS, irritable bowel syndrome; IQR, interquartile range.

©2004 American Medical Association. All rights reserved.                                          (Reprinted) JAMA, June 9, 2004—Vol 291, No. 22 2709
SYMPTOMS OF OVARIAN CANCER

losa cell tumors are excluded, there were                     study, the authors concluded that                nation.19 In addition, with limited health
only 11 invasive epithelial cancers de-                       screening in this population was not ef-         care dollars, screening tests need to be
tected, 5 of which were stage I, 3 stage                      fective in reducing morbidity or mor-            cost-effective.
II, and 3 stage III. This translates into                     tality from ovarian or other mullerian              Given that 80% to 90% of women
5200 ultrasounds for each case of inva-                       cancers. Six of 8 cancers detected dur-          who develop ovarian cancer will not
sive cancer detected. A total of 180                          ing surveillance were stage IIIC. While          have a worrisome family history, and
women in this study underwent sur-                            studies of serum proteomics may hold             screening in the general population is
gery (or 16 surgeries per case of inva-                       promise for the future,18 currently the          not yet effective,15 it is important for
sive cancer). In another study by Liede                       US Preventive Services Task Force has            women and practitioners to under-
et al, 17 screening with transvaginal                         graded the routine screening of ovar-            stand the symptoms of ovarian cancer
sonography and cancer antigen 125 was                         ian cancer with a “D” ranking, which is          so that diagnoses can be made as
undertaken in Ashkenazi Jewish women                          defined as fair evidence to recommend            promptly as possible. Theoretically,
at high risk for ovarian cancer. In this                      its exclusion in a periodic health exami-        prompt diagnoses could lead to detec-
                                                                                                               tion at earlier stages when chance of
                                                                                                               cure is significantly greater. Even if ear-
Table 6. Median Duration of Each Symptom in Months
                                                                                                               lier diagnosis through symptoms does
                                                        Median (IQR)                                           not result in detection of earlier stage
                     Ovarian Cancer          Benign Ovarian Mass              IBS         Clinic        P      disease, it may allow the performance
  Symptom               (n = 44)                   (n = 84)                (n = 109)    (n = 1600)    Value    of an optimal cytoreduction in ad-
Type of pain                                                                                                   vanced disease. Optimal cytoreduc-
    Pelvic                3 (2-9)                     2 (1-5)             18 (7-60)     11 (2-18)      .001
                                                                                                               tion is associated with cure rates of 30%
    Abdominal             4 (1-11)                    5 (2-9)             12 (2-111)    11 (3-12)      .03
Indigestion               6 (2-12)                    3 (1-12)            12 (4-120)    12 (4-18)      .10
                                                                                                               to 40% compared with 0% to 20% for
Bloating                  3 (1-6)                     3 (1-6)             18 (12-165)   12 (4-12)     ⬍.001
                                                                                                               suboptimal cytoreduction, and me-
Fatigue                   3 (1-6)                     5 (2-8)             12 (6-48)     12 (6-24)     ⬍.001
                                                                                                               dian survival of more than 50 months
Urinary tract             4 (1-10)                    5 (1-10)            12 (6-24)     12 (4-24)      .01
                                                                                                               compared with 36 months.20
Constipation              3 (1-8)                    12 (7-12)            24 (12-126)   12 (5-24)      .001
                                                                                                                  Our study, like previous ones,5-12,21
Diarrhea                  5 (1-12)                    3 (1-7)             21 (12-180)   12 (2-12)      .21     has shown that symptoms are com-
Abbreviations: IBS, irritable bowel syndrome; IQR, interquartile range.                                        monly found in women with ovarian
                                                                                                               cancer: 94% of patients did have symp-
                                                                                                               toms in the prior year and 67% had re-
Table 7. Comparison of Symptoms in Women With Early Compared With Late-Stage                                   curring symptoms. The symptoms most
Ovarian Cancer                                                                                                 commonly reported were bloating, in-
                                                            No. (%) of Women                                   creased abdominal size, fatigue, uri-
                                               Early Stage                 Late Stage                          nary tract symptoms, and pelvic or ab-
         Symptom                                (n = 11)*                   (n = 33)†                P Value   dominal pain. These findings are
Type of pain                                                                                                   consistent with studies by Olson et al11
   Pelvic                                          7 (64)                    11 (33)                   .09
                                                                                                               and our prior study,10 both of which
   Abdominal                                       4 (36)                    18 (55)                   .49
                                                                                                               found that abdominal and gastrointes-
   Back                                            5 (45)                    10 (30)                   .46
                                                                                                               tinal tract symptoms were the predomi-
   Thigh                                           3 (27)                     7 (21)                   .62
                                                                                                               nant complaints in women with ovar-
Indigestion                                        1 (9)                     15 (45)                   .03
                                                                                                               ian cancer. Interestingly, many of the
Difficulty eating                                  1 (9)                     12 (36)                   .13
                                                                                                               women with benign ovarian masses had
Nausea                                             2 (18)                     4 (12)                   .63
Weight loss                                        0                          5 (15)                   .31
                                                                                                               similar complaints to those with ma-
Bloating                                           6 (55)                    24 (73)                   .28
                                                                                                               lignant masses. Benign masses have the
Increased abdominal size                           6 (55)                    22 (67)                   .42
                                                                                                               ability to produce significant gastroin-
Abdominal mass                                     3 (27)                      6 (18)                  .66
                                                                                                               testinal tract and abdominal symp-
Fatigue                                            7 (64)                    20 (61)                  ⬎.99
                                                                                                               toms. In a study by Vine et al,13 the au-
Urinary tract                                                                                                  thors compared symptoms in 616
    Urgency                                        7 (64)                    17 (52)                   .72     women with ovarian cancer with 151
    Frequency                                      5 (45)                    15 (45)                  ⬎.99     women with ovarian tumors of low ma-
Constipation                                       5 (45)                    17 (52)                   .73     lignant potential. In that study, symp-
Diarrhea                                           3 (27)                     8 (24)                  ⬎.99     toms were reported prior to diagnosis
Menstrual irregularity                             3 (27)                     5 (15)                   .39     by 92% of women with invasive can-
*International Federation of Gynecology and Obstetrics stage I/II.                                             cer and 86% of women with border-
†International Federation of Gynecology and Obstetrics stage III/IV.
                                                                                                               line tumors. The most common symp-
2710     JAMA, June 9, 2004—Vol 291, No. 22 (Reprinted)                                       ©2004 American Medical Association. All rights reserved.
SYMPTOMS OF OVARIAN CANCER

toms were pelvic discomfort, bowel             include severity and frequency of symp-         Another important difference be-
irregularities, and urinary tract symp-        toms. Compared with women in the gen-        tween women with ovarian cancer and
toms. Although the authors did not             eral clinic population, abdominal pain,      those without is the number of symp-
have access to staging information, one        pelvic pain, bloating, constipation, and     toms that women experience. In our
can assume that the majority of bor-           increased abdominal size are signifi-        study, the median number of symp-
derline tumors were confined to the            cantly more severe in women with ovar-       toms among women with ovarian can-
ovary. Probably any ovarian mass (be-          ian cancer. When compared with women         cer was 8 compared with 4 in the clinic
nign, borderline, or malignant, even if        with IBS only, bloating and urinary tract    population, and the median number of
confined to the ovary) has a high like-        symptoms were more severe in women           recurring symptoms was 4 compared
lihood of producing symptoms.                  with ovarian cancer. The number of epi-      with 2, respectively (P=.01). We also
   Women who present for care in pri-          sodes per month of each symptom was          found significant differences in the me-
mary care clinics also commonly have           significantly greater for women with ovar-   dian number of symptoms between
symptoms that can be associated with           ian cancer; typically they have a symp-      those with benign tumors compared
ovarian cancer. Ninety-five percent have       tom frequency of 15 to 30 times per          with malignant tumors. The median
had at least 1 symptom in the prior year       month. Women with benign tumors have         number of symptoms in women with be-
and 72% have recurring symptoms. As            a similar frequency pattern. For women       nign tumors was 4 compared with 8 in
women aged, almost all symptoms be-            presenting to primary care clinics, symp-    patients with ovarian cancer, and the me-
came less frequent and less severe, em-        toms typically occur 2 to 3 times per        dian number of recurring symptoms was
phasizing the importance of not attrib-        month, often with menses. Even women         2 compared with 4. Olson et al11 also
uting symptoms typical of ovarian cancer       with IBS typically have symptoms 2 to 3      found significant differences between
to the aging process. Not unexpectedly,        times per month with the exception of        cases and controls. Women with ovar-
women who presented for a general              fatigue, diarrhea, and urinary tract symp-   ian cancer had a mean (SD) of 3.0 (1.8)
check up complained of significantly           toms. Olson et al11 also asked women if      symptoms vs 0.8 (1.3) for the control
fewer symptoms than other clinic pa-           they experienced their symptoms con-         group (P⬍.001). Eltabbakh et al12 found
tients. To some extent this may explain        tinuously or intermittently. Olson et al     no statistical difference in number of
some of the differences in ORs for cases       found that bloating, fullness, and abdomi-   symptoms between those with stage I/II
to controls in our study compared with         nal pressure were significantly more         invasive ovarian cancer compared with
the study by Olson et al. In the Olson et      likely to be experienced continuously by     borderline tumors. However, in that
al study, controls were not necessarily        women with cancer compared with con-         study, symptom information was ab-
women who were visiting a physician;           trols (62% vs 36%).                          stracted retrospectively from chart re-
therefore, they were probably not rep-            Duration of symptoms is another area      views. In our study, the combination of
resentative of women presenting to pri-        that we find significant differences be-     bloating, increased abdominal size, and
mary care clinics for problem visits. If the   tween women with benign or malig-            urinary tract symptoms was seen in 43%
control group of women in the Olson et         nant ovarian masses compared with            of women with ovarian cancer com-
al study had fewer complaints it would         those women who present to primary           pared with only 8% of those presenting
increase the ORs, which is what was ob-        care clinics. In general, women with         to the primary care clinic, emphasizing
served. In our study, ORs were 7.4 for         ovarian masses will have symptoms with       the importance of coexisting symp-
increasing abdominal size, 3.6 for bloat-      a median duration of 3 to 6 months and       toms when trying to distinguish symp-
ing, 2.5 for difficulty eating, 2.5 for uri-   those with IBS or other patients present-    toms typical of malignancy compared
nary urgency, and 2.2 for pelvic pain. In      ing to primary care clinics will have        with those without. While ORs for com-
the Olson et al study, ORs were 25.3 for       symptoms for a median of 12 months to        bined symptoms were somewhat bet-
bloating; 8.8, difficulty eating; 6.2, ab-     2 years. The study by Olson et al11 also     ter than for single symptoms, ORs were
dominal/pelvic pain; and 3.5, urinary          found that symptoms of short duration        not additive, indicating codependence
tract symptoms. All had significant con-       were significantly associated with ovar-     of symptoms.
fidence intervals. Although the ORs are        ian cancer compared with controls. In           While our current study did find that
higher in the Olson et al study, it is re-     the study by Vine et al,13 median dura-      women who present to primary care
assuring to see the reproducibility of their   tion of symptoms for women with in-          clinics frequently have vague symp-
findings in our cases and controls; spe-       vasive cancer was 2 to 4 months com-         toms that can be associated with ovar-
cifically that bloating, increased abdomi-     pared with 4 to 6 months for women           ian cancer, the important difference is
nal size, pelvic or abdominal pain,            with borderline tumors. These differ-        that these symptoms are less severe and
difficulty eating, and urinary tract symp-     ences were significantly different. In a     less frequent when compared with
toms are all significantly more com-           study by Eltabbakh et al,12 median du-       women with ovarian cancer. Typically,
mon in women with ovarian cancer.              ration of symptoms for women with in-        symptoms occur 2 to 3 times per month
   Other features that distinguish women       vasive tumors was 3.4 months and bor-        and are often associated with menses,
with ovarian cancer from those without         derline tumors was 8.0 months (P=.03).       which may explain why these vague
©2004 American Medical Association. All rights reserved.                             (Reprinted) JAMA, June 9, 2004—Vol 291, No. 22 2711
SYMPTOMS OF OVARIAN CANCER

symptoms become less common and less                       with ovarian cancer, providing valu-                     Study concept and design: Goff, Melancon, Muntz.
                                                                                                                    Acquisition of data: Goff, Melancon, Muntz.
severe as women age. In addition,                          able information for both women and                      Analysis and interpretation of data: Goff, Mandel,
women with ovarian cancer typically                        their clinicians. Symptoms that are                      Muntz.
                                                                                                                    Drafting of the manuscript: Goff, Melancon, Muntz.
have symptoms of recent onset and have                     more severe, more frequent than ex-                      Critical revision of the manuscript for important in-
multiple symptoms that coexist.                            pected, and of more recent onset war-                    tellectual content: Goff, Mandel, Muntz.
   This study adds further evidence that                   rant further diagnostic investigation.                   Statistical expertise: Mandel.
                                                                                                                    Obtained funding: Goff, Melancon.
ovarian cancer is not a silent disease.                    These symptoms are more likely to be                     Administrative, technical, or material support: Goff,
It is important to emphasize that the                      associated with ovarian masses, many                     Mandel, Muntz.
                                                                                                                    Funding/Support: Supported by Ovarian Cancer
majority of women who have symp-                           of which may be malignant.                               Research Fund Inc, New York, NY
toms from our list of 20 complaints will                                                                            Role of the Sponsor: Ovarian Cancer Research Fund
not have ovarian cancer. Nonetheless,                      Author Contributions: Dr Goff had full access to all     Inc had no role in the design and conduct of the study,
                                                           of the data in the study and takes responsibility for    in the collection, analysis, and interpretation of the data,
this initial study gives better defini-                    the integrity of the data and the accuracy of the data   and in the preparation, review, or approval of the
tion of symptoms typically associated                      analysis.                                                manuscript.

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2712     JAMA, June 9, 2004—Vol 291, No. 22 (Reprinted)                                           ©2004 American Medical Association. All rights reserved.
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