Endometriosis of the Colon with Mixed “Germ Cell” Tumor
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A case report describes a woman with endometriosis of the colon that transformed into a mixed germ cell tumor containing yolk sac, choriocarcinoma, and teratoma elements.
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Abstract
A 42-year-old woman was found to have endometriosis of the oviducts. Five years later she had a hysterectomy and oophorectomy, the abnormal findings at this time being endometriosis with a chocolate cyst of one ovary. At a third operation, seven years after the first, she was found to have endometriosis of the colon, associated with malignant tumor in the serosa of the intestine and in the pelvis. Histologically, there was direct transition from benign epithelium in the ectopic endometrial glands, to dysplastic and neoplastic tissue. In different areas, the tumor included elements of yolk sac type (endodermal sinus tumor), choriocarcinoma, and teratoma. The implications of this unique transformation and combination are discussed briefly.
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Cited by (9)
- Endometriosis-associated intestinal tumors:A clinical and pathological study of 6 cases with a review of the literature 2000
- Endometrioid Adenocarcinoma Arising from Adenomyosis 1999
- Endometriosis of the Bowel with Lymph Node Involvement 1996
- Aggressive surgical management for advanced colorectal endometriosis 1994
- Diseases of the Peritoneum 1994
- Pelvic Endometriosis Simulating Colonic Malignant Neoplasm 1989
- Malignant extraovarian endometriosis: Two case reports and review of the literature 1988
- Diagnosis and managemnet of endometriosis of the colon and rectum 1988
- Endometriosis, Lesions of the Secondary Müllerian System, and Pelvic Mesothelial Proliferations 1987
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