Guttural pouch aspergillosis (horse TW). Section of the wall of the guttural pouch from an 8 year old, neutered male horse with recurrent right-sided epistaxis of 10 days duration. Endoscopic examination confirmed the origin of the blood to be the gu

Guttural pouch aspergillosis (horse TW). Section of the wall of the guttural pouch from an 8 year old, neutered male horse with recurrent right-sided epistaxis of 10 days duration. Endoscopic examination confirmed the origin of the blood to be the guttural pouch and the right internal carotid artery was ligated surgically. Necropsy examination revealed an extensive ruptured aneurysm of this vessel and guttural pouch mycosis. The section reveals necrosis and chronic inflammatory infiltration of guttural pouc