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Journal of the Korean Surgical Society ; : 175-179, 2003.
Artículo en Coreano | WPRIM | ID: wpr-214861

RESUMEN

Gastrointestinal autonomic nerve tumors (GANTs) represent a newly described entity, which are stromal tumors of the gastrointestinal tract, with neuronal differentiation. They are CD117 (c-kit) immunoreactive neoplasms and are often immunoreactive for S100 protein, synaptophysin, and CD34. Ultrastructural examination provides the definitive distinguishing features for diagnosing a GANT. The presence of electron-dense granules, or small vesicles, suggests the presence of postganglionic neurotransmitter vesicles. We experienced a 65-year-old female patient who complained of bloody diarrhea, and a 75-year-old male patient who complained of melena. They were diagnosed with a gastrointestinal stromal tumor by an abdominal CT and operation, and were diagnosed as GANT pathologically. Thus we report two cases of a gastrointestinal autonomic nerve tumor, with a review of the relevant literatures.


Asunto(s)
Anciano , Femenino , Humanos , Masculino , Vías Autónomas , Diarrea , Tumores del Estroma Gastrointestinal , Tracto Gastrointestinal , Intestino Delgado , Melena , Neuronas , Neurotransmisores , Sinaptofisina , Tomografía Computarizada por Rayos X
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