title: Endoscopic resection of co-existing severe dysplasia and a small esophageal leiomyoma.
abstract: Leiomyoma is the most common benign mesenchymal tumor of the esophagus. A small leiomyoma covered with endoscopically normal mucosa has a characteristic endoscopic ultrasonographic appearance, slow growth rate, and negligible risk of malignant transformation; therefore the histology does not need to be proven. Synchronous tumors such as an epithelial tumor and small subepithelial tumor in the upper gastrointestinal tract are uncommon. We describe a case with a co-existing small leiomyoma and severe dysplasia in the esophagus which were completely resected by endoscopic mucosal resection.
authors: Division of Gastroenterology and Hepatology, Department of Internal Medicine, Kyungpook National University Hospital, Daegu 700-721, South Korea.
authors: Sun Young
authors: SY
authors: Ahn
authors: Seong Woo
authors: SW
authors: Jeon
mesh_terms: D000368:Aged; D001706:Biopsy; D004724:Endoscopy / Q000379:methods*; D004935:Esophageal Diseases / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D004938:Esophageal Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D007889:Leiomyoma / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D008297:Male; D008648:Mesoderm / Q000473:pathology; D009092:Mucous Membrane / Q000000981:diagnostic imaging / Q000473:pathology; D014463:Ultrasonography
keywords: Dysplasia; Leiomyoma; Synchronous tumor