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Survival probability in ovarian clear cell adenocarcinoma.

Abstract：

OBJECTIVE:The aim of this study was to evaluate the 5-year survival probability (SP) of patients treated for ovarian clear cell adenocarcinoma (OCCA) at a single tertiary institution and to compare it to the 5-year SP of patients with other histologic subtypes of epithelial ovarian cancer. METHODS:Sixty-four patients with pure OCCA treated at the Cleveland Clinic Foundation from 1981 to 1996 were retrospectively identified and clinical information was abstracted. All histologic materials were reviewed by a single gynecologic pathologist. SP was calculated by the Kaplan-Meier method. SPs for OCCA patients were compared to that of other high-grade epithelial ovarian cancer patients in the gynecologic tumor registry. Cox proportional hazards modeling was used to identify varibles associated with decreased SP. RESULTS:The FIGO stages of OCCA study patients were Stage I, 31 (50%), Stage II, 6 (10%), Stage III, 17 (27%), and Stage IV, 8 (13%) (2 patients unstaged). Forty-four patients had no gross residual cancer at the completion of initial surgery while 9 patients had 1 cm residual. Forty-five (73%) received postoperative chemotherapy. The median follow-up for surviving patients is 97 months (range 38 to 209 months). The overall 5-year SP of OCCA patients is 50% with limited disease (Stages I and II) patients having a 5-year SP of 72% versus 17% 5-year SP in patients with advanced disease (P < 0.001). FIGO stage was most predictive of outcome. The overall 5-year SP of OCCA patients (50%) differed significantly (P < 0.05) from that of other ovarian cancer registry patients (30%). OCCA patients with limited cancer survived similarly to registry patients (72 vs 72%) as did patients with advanced OCCA compared with registry patients (17 vs 22%). CONCLUSIONS:When controlled for grade and stage, the overall survival with OCCA is identical to that of other high-grade epithelial ovarian cancers. Factors that account for the better overall survival of OCCA patients are more favorable disease stage, younger age, and improved debulking status.

journal_name

Gynecol Oncol

journal_title

Gynecologic oncology

authors

Kennedy AW,Markman M,Biscotti CV,Emery JD,Rybicki LA

doi

10.1006/gyno.1999.5445

subject

Has Abstract

pub_date

1999-07-01 00:00:00

pages

108-14

issue

eissn

0090-8258

issn

1095-6859

pii

S0090-8258(99)95445-8

journal_volume

pub_type

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Survival probability in ovarian clear cell adenocarcinoma.