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KMID : 1100320160330010037
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Yeungnam University Journal of Medicine
2016 Volume.33 No. 1 p.37 ~ p.39
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Solitary schwannoma of the ascending colon
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Chu Myeong-Su
Kang Hyun-Mo
Sun Hyeong-Ju
Kim Dong-Min
Kwak Hyong-Jong
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Abstract
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Schwannomas are uncommon neoplasms arising from Schwann cells of the neural sheath. Gastrointestinal schwannomas are rare, accounting for 1% of all malignant gastrointestinal tumors. Colonoscopic biopsy with immunohistochemical (IHC) staining is useful for confirming this tumor. We report on a patient with schwannoma arising from the ascending colon, which was detected by colonoscopy and endoscopic submucosal dissection was attempted. A 41-year-old man presented with abdominal discomfort. The patient was diagnosed with a subepithelial tumor on colonoscopy. He underwent endoscopic submucosal dissection. Histopathology and IHC staining confirmed that the colonic lesion was a benign schwannoma. However, the resection margin was positive. Therefore, laparoscopic ileocolectomy was performed.
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KEYWORD
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Schwannoma, Ascending colon, Endoscopic submucosal dissection
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