A case of endometrioid carcinoma of the rectum arising from rectal endometriosis treated by laparoscopic surgery

Asuka Sakiyama, Takuya Aoki, Ayami Koike, Etsuko Kawata, Saeko Tanabe, Motoko Mizumoto, Shigeo Hara, Shinya Yoshioka
In: JAPANESE JOURNAL OF GYNECOLOGIC AND OBSTETRIC ENDOSCOPY · 2020 · vol. 36(2) , pp. 246–252 · doi:10.5180/jsgoe.36.2_246 · W3128631811
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Abstract

The frequency of malignant transformation in endometriosis is rare; it is estimated to be less than 1%. Malignant transformation mainly occurs in the ovary and rarely in the extragonadal sites. Endometriosis-associated intestinal tumors (EAITs) represent the malignant transformation of gastrointestinal endometriosis; the prevalence of EAITs is 0.77% in Japan. Here, we present a case of endometrioid carcinoma of the rectum arising from rectal endometriosis that was treated by laparoscopic surgery.

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endometriosis

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