title: [Malignant nerve sheath tumor of the esophagus (malignant esophageal schwannoma)].
abstract: A case of malignant esophageal schwannoma is reported. A 54-year-old man consulted for a 1-year history of dysphagia. Investigations revealed a tumor of the distal esophagus, with involvement of the cardia, and were suspicious for metastatic mediastinal nodes. Ivor-Lewis esophagectomy with gastric-tube reconstruction was performed, with favorable outcome. Histological examination revealed esophageal sarcoma in a Barrett's esophagus. Periesophageal nodes had metastatic involvement. Immunohistochemical study was positive for S100 and vimentin and was negative for CD117, compatible with a diagnosis of esophageal schwannoma. We discuss this rare disease and its characteristics. This is the second reported case of malignant schwannoma with lymph node metastasis.
authors.affiliation: Servicio de Cirugía, Hospital Clínico Regional, Instituto de Cirugía, Universidad Austral, Valdivia, Chile.
authors.forename: A
authors.initials: A
authors.lastname: Sánchez
authors.forename: P
authors.initials: P
authors.lastname: Mariángel
authors.forename: C
authors.initials: C
authors.lastname: Carrasco
authors.forename: A
authors.initials: A
authors.lastname: Venturelli
authors.forename: G
authors.initials: G
authors.lastname: Vera
mesh_terms: D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D016629:Esophagectomy; D005773:Gastroscopy; D006801:Humans; D007150:Immunohistochemistry; D008198:Lymph Nodes / Q000473:pathology; D008207:Lymphatic Metastasis; D008297:Male; D008875:Middle Aged; D009442:Neurilemmoma / Q000000981:diagnostic imaging / Q000556:secondary* / Q000601:surgery; D014057:Tomography, X-Ray Computed; D016896:Treatment Outcome
vernacular_title: Tumor esofágico maligno de las vainas nerviosas periféricas (schwannoma esofágico maligno).