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김영채,김정열,이옥재,원용환,손미정,김경환 대한내과학회 1997 대한내과학회지 Vol.52 No.2
Primary squamous cell carcinoma of the colon is very rare and its incidence is 0.025% to 0.05% among all colon cancers. We report a case of primary squamous cell carcinoma of the sigmoid colon in a 65-year-old man. He had bowel habit change and hematochezia for 3 months. Colonoscopy with biopsy and left inguinal lymph node biopsy revealed squamous cell carcinoma. We confirmed the diagnosis of primary squamous cell carcinoma of the sigmoid colon with lymph node metastasis by diagnostic criteria. The patient was discharged against advice and expired.