Korean J Gastrointest Endosc > Volume 36(6); 2008 > Article
Korean Journal of Gastrointestinal Endoscopy 2008;36(6): 361-365.
내시경 점막 절제술로 제거한 식도 양성 신경집종 1예
전남대학교 의과대학 내과학교실
A Case of Esophageal Benign Schwannoma Removed by Endoscopic Mucosal Resection
Seok Cho, M.D., Chang Hwan Park, M.D., Dae Yeul Ryang, M.D., Sung Ryoun Lim, M.D., Kyoung Myeun Chung, M.D., Hye Kyong Jeong, M.D., Phil Jin Jung, M.D., Seung Hwan Lee, M.D., Kyoung Won Yoon, M.D., Hyun Soo Kim, M.D., Sung Kyu Choi, M.D. and Jong Sun Rew,
Department of Internal Medicine, Chonnam National University Medical School, Gwangju, Korea
Esophageal schwannoma is a very rare neoplasm. The differentiation of schwannoma from the other submucosal tumors such as GISTs or leiomyoma is very difficult to do on the preoperative examination with performing esophagoscopy and computed tomography. The diagnosis is generally not confirmed until the histologic and immunohistochemical tests of the tumor are performed. A 38- year-old man presented to us with neck discomfort. The endoscopy showed a middle esophageal submucosal tumor that measured 12 mm in size and there were no mucosal changes. The endoscopic ultrasonography showed a tumor in the muscluaris mucosa layer without lymphadenopathy. After band ligation of the lower part of the tumor, it was removed by performing endoscopic mucosal resection and using a snare. A definitive diagnosis of esophageal benign schwannoma was made from the pathologic findings, which included positive immunohistochemical staining for S-100 protein and negative staining for C-kit, CD34 and actin. We report here on an esophageal benign schwannoma that was removed by endoscopic mucosal resection. (Korean J Gastrointest Endosc 2008;36:361-365)
Key Words: Esophageal schwannoma, S-100 protein, Endoscopic mucosal resection
주요어: 식도 신경집종, S-100 단백, 내시경 점막 절제술
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