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Yeungnam Univ J Med > Volume 33(1); 2016 > Article
Yeungnam University Journal of Medicine 2016;33(1):37-39.
DOI:    Published online June 30, 2016.
Solitary schwannoma of the ascending colon.
Myeong Su Chu, Hyun Mo Kang, Hyeong Ju Sun, Dong Min Kim, Hyong Jong Kwak
1Department of Internal Medicine, Sun General Hospital, Daejeon, Korea.
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.
Key Words: Schwannoma, Ascending colon, Endoscopic submucosal dissection
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