An obstructing large schwannoma in the esophagus.
Esophageal schwannoma is very rare neoplasm, which is difficult to diagnose by endoscopy or radiologic evaluations. The diagnosis is not confirmed until immunohistochemical tests are performed after a surgeon has resected the lesion. We present the case of a 65-year-old male patient with an esophageal schwannoma having a palpable neck mass and severe dysphagia. The postoperative pathological findings revealed a strong immunoactivity to S-100 protein but negative activity to smooth muscle actin and C-kit. These results support the characteristics of schwannoma in the tumor.
Yoon
Ho Young
HY
Department of Surgery, Yonsei University College of Medicine, 134 Shinchon-dong, Seodaemun-gu, Seoul 120-752, South Korea.
Kim
Choong Bai
CB
Lee
Yoon Hee
YH
Kim
Ho Geun
HG
D000368:Aged; D004938:Esophageal Neoplasms / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008297:Male; D009442:Neurilemmoma / Q000175:diagnosis* / Q000473:pathology