IMR Press / EJGO / Volume 24 / Issue 6 / pii/2003235

European Journal of Gynaecological Oncology (EJGO) is published by IMR Press from Volume 40 Issue 1 (2019). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with S.O.G.

Open Access Case Report

Large endometrial polyp with sarcomatous stromal components following long-term tamoxifen treatment for breast cancer: a case report and review of the literature

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1 Department of Gynaecology, “G. Gennimatas” General Hospital of Athens, Sencond District National Health System, Athens, Greece
2 Department of Obstetrics and Gynaecology “G. Chatzikosta” General Hospital, Joannina, District National Health System, Epirus, Greece
Eur. J. Gynaecol. Oncol. 2003, 24(6), 565–568;
Published: 10 December 2003
Abstract

Tamoxifen is commonly used in the management of patients with breast cancer because of its anti-oestrogenic effects to the breasts. However, tamoxifen acts as an oestrogen agonist on the endometrium increasing the incidence of endometrial polyps, hyper­plasia and cancer. In addition, it may be possible that tamoxifen increases the occurrence of uterine body tumours. We describe a rare case of a large endometrial polyp with sarcomatous stromal components in a 73-year-old breast cancer patient treated daily with 20 mg of tamoxifen for four years. The glands of the polyp were lined by benign appearing epithelium. The polyp was twisted and protruded from a dilated cervix at the entrance of the vagina. The patient was treated by removal of the polyp and dilatation and curretage. A postoperative computed tomography scan showed many focal hypodense lesions in the hepatic lobes with a well-defined profile suggestive of metastatic disease and the patient was referred for combined chemotherapy. In conclusion, a case of a mes­enchymal malignant neoplasm arising in the uterus of a breast cancer patient treated with tamoxifen is reported and its clinical, his­tological and immunohistochemical features are discussed. Also, the international literature is reviewed.

Keywords
Uterus
Polyp
Tamoxifen
Sarcoma
Mesenchymal tumours
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