Case report
Giant Asymptomatic Primary Esophageal Schwannoma

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Primary esophageal schwannomas are uncommon. We describe a case of a large asymptomatic primary esophageal schwannoma in a 65-year-old patient. Computed tomography and positron emission tomography revealed an 18F-fluorodeoxyglucose-avid 11-cm mass arising from the esophagus. A preoperative diagnosis was made via endoscopic ultrasound. The patient underwent a three-field esophagogastrectomy with cervical esophagogastric anastomosis. He remains well and free of recurrence 10 months after treatment.

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Comment

Three types of submucosal tumors can occur in the gastrointestinal tract: myogenic tumors, gastrointestinal stromal tumors, and neurogenic tumors (which include esophageal schwannomas) [2]. Fewer than 2% of all resected esophageal tumors are benign, the most common of them being leiomyomas [3, 4]. Primary esophageal schwannomas are rare, with only 25 cases being reported in the literature [1, 2, 3, 4, 5, 6, 7, 8]. Esophageal schwannomas are typically benign; only four tumors have been reported

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