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KMID : 0614620140640020098
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Korean Journal of Gastroenterology
2014 Volume.64 No. 2 p.98 ~ p.102
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Primary Squamous Cell Carcinoma of the Ascending Colon: Report of a Case and Korean Literature Review
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Cho Dong-Keun
Kim Sang-Hoon
Cho Sung-Bum
Lee Wan-Sik
Joo Young-Eun
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Abstract
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Primary squamous cell carcinoma of the colon is an extremely rare malignancy. A 48-year-old male visited our hospital for screening colonoscopy. Colonoscopic examination showed a 1 cm sized sessile polyp in the ascending colon. The patient underwent endoscopic mucosal resection (EMR) without any complication. The pathologic findings were compatible with squamous differentiation of tumor cells in inflammatory colonic mucosa. The tumor was confined to the mucosa and the margins of the excised tissue were found to be free of the tumor. There were no other primary sites and no distant metastases in the extensive evaluation using a whole body CT scan and PET-CT. Additional surgical resection was not done. Follow-up colonoscopy performed eight month later showed a whitish scar without evidence of local recurrence and follow-up PET-CT demonstrated no evidence of recurrence. Herein, we report a case of primary squamous cell carcinoma of the ascending colon presenting as a sessile polyp which was removed by EMR.
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KEYWORD
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Squamous cell carcinoma, Ascending colon, Endoscopic resection
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