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JYMS : Journal of Yeungnam Medical Science

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HOME > J Yeungnam Med Sci > Volume 33(1); 2016 > Article
Case Report Solitary schwannoma of the ascending colon.
Myeong Su Chu, Hyun Mo Kang, Hyeong Ju Sun, Dong Min Kim, Hyong Jong Kwak
Journal of Yeungnam Medical Science 2016;33(1):37-39
DOI: https://doi.org/10.12701/yujm.2016.33.1.37
Published online: June 30, 2016
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1Department of Internal Medicine, Sun General Hospital, Daejeon, Korea. chooms80@hanmail.net
2Department of Pathology, Sun General Hospital, Daejeon, Korea.

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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