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최기원 ( Choe Gi Won ),전원중 ( Jeon Won Jung ),채희복 ( Chae Hui Bog ),박선미 ( Park Seon Mi ),윤세진 ( Yun Se Jin ),신향미 ( Sin Hyang Mi ),성노현 ( Seong No Hyeon ),이상전 ( Lee Sang Jeon ) 대한소화기학회 2003 대한소화기학회지 Vol.42 No.3
Mature teratoma is the most common germ cell tumor of the ovary. The tumor is essentially a benign neoplasm and surgical resection of the tumor is the treatment of choice. Recurrence with colorectal involvement after surgical removal of the primary lesion is exceedingly rare and has not been reported in Korea. We present a 43-year-old patient with a rectal mass who had already undergone left oophorectomy due to mature cystic teratoma and right oophorectomy due to hemorrhagic corpus luteum. The rectal mass was composed of a mature teratoma tissue. We postulate that leakage of the tumor elements from the cyst wall led to peritoneal tumor implantation and invasion to the rectal wall. (Korean J Gastroenterol 2003;42:242-245)