Autoamputation of a sigmoid colon giant lipoma (a case report)

Patient B., a 62-year-old man, with giant benign tumor and obstruction of the sigmoid colon presented. The elective surgery was canceled due to autoamputation of the tumor, which passed without complications and was confirmed by another colonoscopy. Pathohistological study confirmed the lipoma. Autoamputation of a colon lipoma is extremely rare and usually occurs in giant tumors.