Korean J Gastrointest Endosc > Volume 37(5); 2008 > Article
Korean Journal of Gastrointestinal Endoscopy 2008;37(5): 339-343.
양전자 방출 단층 CT (PET-CT) 양성을 보인 식도 신경집종 1예
부산대학교 의학전문대학원 내과학교실, *병리학교실, 흉부외과학교실
A Case of an Esophageal Schwannoma with Intense FDG Uptake as Detected on PET-CT
Seong Hoon Yoon, M.D., Gwang Ha Kim, M.D., Do Youn Park, M.D.*, Ho Seok Lee, M.D., Jung Ho Bae, M.D., Jin Hyun Park, M.D., Su Bum Park, M.D. and Geun Am Song, M.D.
Departments of Internal Medicine, *Pathology and Thoracic Surgery, Pusan National University School of Medicine, Busan, Korea
An esophageal schwannoma originating in a schwann cell of a neuron presents as a type of submucosal tumor. An esophageal schwannoma is extremely rare, with only 30 reported cases. It is usually a benign tumor. However, three cases with malignant findings and one case with local recurrence have been reported. Reviews of previous reports indicate that benign schwannomas are usually located in the upper esophagus and occur in middle aged- women. An esophageal schwannoma is usually asymptomatic but sometimes causes dysphagia as an initial symptom and dyspnea by trachea compression. The differentiation of a schwannoma from the other submucosal tumors is very difficult on a preoperative examination with the use of esophagoscopy, endoscopic ultrasound and computed tomography. A definite diagnosis of the tumor requires a histological examination and immunohistochemical staining. Positive immunostaining for s-100 protein supports the schwann cell origin of the tumor. We report a case of an esophageal schwannoma with intense FDG uptake as detected on PET-CT. (Korean J Gastrointest Endosc 2008;37:339-343)
Key Words: Esophagus, Schwannoma, PET-CT
주요어: 식도, 신경집종, PET-CT
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