title: Gastrointestinal autonomic nerve tumors (plexosarcomas). is A radiological diagnosis possible?
abstract: The gastrointestinal autonomic nerve (GAN) tumor, or plexosarcoma, is a very uncommon stromal tumor of the gastrointestinal tract and retroperitoneum. Distinction of GAN tumors from other stromal tumors is not possible based on imaging studies, and needs specific ultrastructural and inmunohistochemical techniques. There are some morphologic characteristics that the radiologist should know, so as to include these rare tumors in the differential diagnosis of an abdominal mass. We report two new cases: small bowel (jejunum-ileum) and stomach GAN tumors.
authors.affiliation: Department of Radiology, Hospital Universitario Prìncipe de Asturias Carretera Alcalá-Meco s/n, Alcalá de Henares, E-28 805 Madrid, Spain.
authors.forename: O
authors.initials: O
authors.lastname: Rueda
authors.forename: J
authors.initials: J
authors.lastname: Escribano
authors.forename: J M
authors.initials: JM
authors.lastname: Vicente
authors.forename: F
authors.initials: F
authors.lastname: Garcia
authors.forename: R
authors.initials: R
authors.lastname: Villeta
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001342:Autonomic Nervous System Diseases / Q000000981:diagnostic imaging* / Q000473:pathology; D003287:Contrast Media; D005260:Female; D005753:Gastric Mucosa / Q000473:pathology / Q000648:ultrastructure; D005770:Gastrointestinal Neoplasms / Q000000981:diagnostic imaging* / Q000648:ultrastructure; D006801:Humans; D007078:Ileal Neoplasms / Q000000981:diagnostic imaging / Q000648:ultrastructure; D007150:Immunohistochemistry; D007580:Jejunal Neoplasms / Q000000981:diagnostic imaging / Q000648:ultrastructure; D008297:Male; D008875:Middle Aged; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging; D012509:Sarcoma / Q000000981:diagnostic imaging* / Q000648:ultrastructure; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging / Q000648:ultrastructure; D017154:Stromal Cells / Q000473:pathology; D014057:Tomography, X-Ray Computed
chemical_list: D003287:Contrast Media