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Gynecol Oncol. 2012 May;125(2):376-80. doi: 10.1016/j.ygyno.2012.02.016. Epub 2012 Feb 21.

Prognostic determinants in patients with uterine and ovarian clear carcinoma.

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  • 1Division of Gynecologic Oncology, Vincent Obstetrics and Gynecology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.



The purpose of this study is to analyze and compare the demographics, treatment, recurrence, and survival rates in patients with uterine clear cell carcinoma (UCCC) and ovarian clear cell carcinoma (OCCC).


A retrospective review of the Cancer Registry database was performed. All patients with UCCC and OCCC who underwent surgical staging at the two participating institutions, between January, 1995 and December, 2007, were identified. Categorical variables were evaluated by Chi square test. Survival estimates were plotted utilizing the Kaplan-Meier method.


Analysis of 41 women with UCCC and 121 with OCCC was performed. In patients with OCCC, 48.4% had localized disease, 18.9% had regional spread, 31.1% had distant metastasis, and in 1.6% spread is unknown; compared to UCCC, 41.5% had localized disease, 12.2% regional spread, and 46.3% distant metastasis (p=0.2). The median progression free survival was 31.4 months in women with UCCC, compared to 145 months in patients with OCCC (p=0.04). UCCC women had a median overall survival of 39.5 months, compared to 155.8 months in patients with OCCC (p=0.002). In the multivariate Cox regression model, age>55 years old, tumor extension, optimal cytoreduction, and platinum-based chemotherapy were identified as independent predictors of overall survival. UCCC vs. OCCC was not associated with decreased overall survival in multivariate analysis.


OCCC and UCCC have the same rate of localized disease, regional spread and distant metastasis. After controlling for age, tumor extension, optimal cytoreduction, and platinum based chemotherapy, UCCC was not associated with decreased overall survival compared to OCCC.

Copyright © 2012 Elsevier Inc. All rights reserved.

[PubMed - indexed for MEDLINE]
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