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Synchronous primary carcinomas of the endometrium and ovary
1Department of Obstetrics and Gynecology, College of Medicine, Taipei, Taiwan.
Objectives:
Synchronous carcinomas of the endometrium and ovary may indicate either independently developing neoplasms or metastatic disease. The clinical implications and prognosis of these two categories are quite different. The objectives of this study were to identify and evaluate the empirical criteria and significant therapeutic implications.
Method:
The National Taiwan University Hospital Cancer Registry records and pathological reports from 1977 to 1994 were reviewed. Empirical criteria were used to identify synchronous primary cancers.
Results:
A total of 322 patients had endometrial cancer and 421 patients had ovarian cancer in our Cancer Registry records. Eleven patients had simultaneous cancer involvement of both the endometrium and ovary. Six cases fulfilled the criteria of synchronous primary carcinomas of the endometrium and ovary. Of these, five were alive and free of disease for 35-144 months (median 94.2 months). The disease-free survival rates between patients with synchronous primary and metastatic cancers of different histologic types showed a statistically significant difference (P = 0.013). No statistical significance was noted for different histologic types (P > 0.5).
Conclusions:
The empirical criteria used here were useful in identifying synchronous primary cancers of the endometrium and ovary. The favorable clinical outcome may relate to early detection of early-stage disease and low-grade malignancy with an indolent growth rate. Surgical management with or without adjuvant therapy has a satisfactory outcome in our experience.