Two Case Reports of Esophageal Schwannoma and Literature Review of Case Reports

Kazuhiko Shien, Isao Nozaki, Takaya Kobatake, Kouzi Ohta, Yoshiro Kubo, Minoru Tanada and Akira Kurita

Department of Surgery, National Hospital Organization Shikoku Cancer Center

We report two cases of esophageal schwannoma. A 66-year-old woman (case 1) and a 56-year-old man (case 2) were admitted for abnormal shadows pointed out in barium esophagography. In case 1, an esophageal submucosal tumor was resected by transthoracic esophagectomy with gastric tube reconstruction. In case 2, esophageal tumor was enucleated by thoracoscopic surgery. To remove the tumor from the muscular layer, a Sangstaken-Blakemore tube (S-B tube) was used intraoperatively inserted into the esophagus preoperatively. Both tumors consisted histopathologically of spindle-shaped cell bundles and S-100 protein expression was immunohistochemically confirmed in both tumors. The definitive diagnose was benign esophageal schwannoma in both cases. Esophageal schwannoma is extremely rare, and we review 26 cases from the Japanese literature.

Key words
esophagus, submucosal tumor, schwannoma

Reprint requests
Kazuhiko Shien Department of Surgery, National Hospital Organization Shikoku Cancer Center
160 Minamiumemoto-cho, Matsuyama, 791-0280 JAPAN

Accepted
April 28, 2010

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