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이준영 ( Jun Young Lee ),오성렬 ( Seong Ryeol Oh ),양봉준 ( Bong Joon Yang ),최석채 ( Suck Chei Choi ),박원철 ( Won Cheol Park ),최금하 ( Keum Ha Choi ),윤기중 ( Ki Jung Yun ) 대한장연구학회 2011 Intestinal Research Vol.9 No.1
Angiosarcoma is a malignant vascular neoplasm that usually involves the skin or soft tissues. A primary rectal angiosarcoma is exceedingly rare. A 77-year-old female was admitted to the hospital for evaluation of constipation and hematochezia. The patient had a history of uterine cervix carcinoma which was treated with surgery and radiation therapy. A colonoscopy revealed a friable, ulceroinfiltrative tumor with multiple hyperemic mucosae in the rectum. Microscopically, the tumor exhibited vasoformative growth with nuclear atypism and numerous mitoses. The tumor cells were strongly positive for CD31, CD34, and Factor VIII. We report a case of rectal angiosarcoma that developed after radiation therapy. (Intest Res 2011;9:57-60)