Ganglioneuromatosis of the Gallbladder in a Dog with Cholecystitis and Cholestasis

Ganglioneuromatosis is a rare, exuberant hyperplastic proliferation of ganglion cells and nerves of the autonomic nervous system that is restricted to the the gastrointestinal tract in animals. The present report describes the pathological and immunohistochemical features of a novel case of ganglioneuromatosis confined to the gallbladder and with no signs of intestinal involvement in a dog.1MB)