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Gastrointestinal autonomic nerve tumors (plexosarcomas). is A radiological diagnosis possible?
O Rueda1, J Escribano, J M Vicente
1Department of Radiology, Hospital Universitario Prìncipe de Asturias Carretera Alcalá-Meco s/n, Alcalá de Henares, E-28 805 Madrid, Spain.
European Radiology
|May 2, 1998
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.