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JYMS : Journal of Yeungnam Medical Science

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2 "Schwannoma"
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Case Reports
Giant esophageal schwannoma.
Min Jae Kim, Joon Cheol Song, Il Kim, Jin Tak Yun, Young Woo Kim, Young Choi, Yeon Ho Joo, Chang Hyun Kang
Yeungnam Univ J Med. 2016;33(1):21-24.   Published online June 30, 2016
DOI: https://doi.org/10.12701/yujm.2016.33.1.21
  • 1,863 View
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AbstractAbstract PDF
Esophageal schwannoma is a very rare submucosal tumor. We report successful management of esophageal schwannoma in a 41-year-old man who complained of progressively worsening dysphagia. A huge submucosal tumor was found via endoscopy and a chest computed tomography scan. Esophagectomy was performed with no post-operative complications. Post-operative immunohistochemistry staining showed a positive result for S-100 and negative results for c-kit and CD34. The post-operative mild dysphagia persisted, and the follow-up endoscopic findings revealed anastomosis site stenosis. Approximately 2 months later, we performed endoscopic balloon dilatation. We report herein a case of esophageal schwannoma with reviews.
Solitary schwannoma of the ascending colon.
Myeong Su Chu, Hyun Mo Kang, Hyeong Ju Sun, Dong Min Kim, Hyong Jong Kwak
Yeungnam Univ J Med. 2016;33(1):37-39.   Published online June 30, 2016
DOI: https://doi.org/10.12701/yujm.2016.33.1.37
  • 1,927 View
  • 3 Download
AbstractAbstract PDF
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.

JYMS : Journal of Yeungnam Medical Science