Endometrial aspiration cytology for diagnosis of peritoneal lesions in extrauterine malignancies |
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Authors: | Saji Haruya Kurose Keisuke Sugiura Ken Miyagi Etsuko Onose Ryo Kato Hisamori Nakayama Hiroki |
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Institution: | Department of Gynecology, Kanagawa Cancer Center Hospital, Yokohama, Japan. haru-saji@muh.biglobe.ne.jp |
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Abstract: | OBJECTIVE: To evaluate the usefulness of endometrial aspiration cytology for assessing malignant cells of extrauterine origin. STUDY DESIGN: Endometrial cytology was performed on 224 patients with primary ovarian cancer, 10 with fallopian tube cancer and 45 with peritoneal tumors. RESULTS: Of 224 patients with ovarian cancer, 53 (23.7%) had positive endometrial cytology. Positive rates were: stage I, 4.3%; stage II, 25.0%; stage III, 39.7%; stage IV, 34.5%. Histologic positive rates were: serous, 28.7%; mucinous, 11.4%; clear cell, 23.1%; endometrioid and unclassifiable adenocarcinomas, 28.0%. Of 5 patients with ovarian cancer, 2 were asymptomatic, but aspiration cytology was positive. Of 10 patients with fallopian tube cancer, 9 (90.0%) had positive endometrial cytology. The positive rate on endometrial cytology was 56.7% in stomach cancer, 60.0% in breast cancer and 20.0% in colon cancer. Of 1,209 women with stomach cancer, 30 (2.4%) displayed ovarian metastasis. Of these, 7 (23.3%) had Krukenberg's tumor; endometrial cytology was positive in 1 (14.3%). In 7 of 17 patients with positive endometrial cytology, clinical diagnosis was made before stomach cancer therapy. CONCLUSION: Endometrial aspiration cytology is useful for identifying nongynecologic malignant cells, diagnosing ovarian and fallopian tube cancers, and determining peritoneal dissemination and metastasis originating from gastrointestinal and breast cancers. |
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