Abstract
The pathology of cervical involvement in endometrial carcinoma has not been fully defined previously. We reviewed the histopathology of 66 hysterectomies of women with stage II endometrial carcinoma. Cervical spread was categorized as macroscopic or microscopic; stage IIA or IIB; direct spread, surface or lymphvascular metastasis; and size, number, and location. The cervical tumor was macroscopically identified in 15 (23%) women and microscopically identified in 51 (77%). Twenty-one patients (32%) were stage IIA and 45 (68%) stage IIB. The method of spread was direct spread in 28 patients, surface metastases in 27, lymphovascular in 3, both direct spread and surface metastases in 7 and both direct spread and lymphovascular in 1. The cervical tumor had a mean horizontal dimension of 3 mm and a median of 2 mm. There were multiple sites of cervical tumor in 31 (47%) patients and single in 35 (53%). The sites of spread, including cases with multiple sites, were the endocervix in 60 women (90%), transformation zone in 24 (37%), and ectocervix in 3 (5%). Most patients had minimal microscopic cervical tumor. Small examples of direct spread may be an artifact of definition depending on the histology of the isthmian-endocervical junction and many surface metastases appear to follow dilatation and curettage. In 7 of 66, 11%, however, the cervical tumor was greater than 5 mm depth of invasion and/or the result of lymphvascular metastasis. Survival studies are required to compare minimal stage II endometrial carcinoma patients and those with larger and/or lymphvascular derived cervical tumor. Patients with minimal stage II and stage I patients should also be compared.
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More From: International journal of gynecological cancer : official journal of the International Gynecological Cancer Society
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