G uttura l pou ch mycosis In the hor se is a pseudo-membran ous inflammat ion of the di vertieula of the Eustac hian tub es usually caused by Aspergillus species.J.9 Inflammatory changes mostly occur in the dorsal part of the caudo medial co m partme nt of the gutt ural pouch. Th ey frequently ero de the intern al caro tid art ery,"? which passes with the superio r cerv ical ganglion, vaga l, a...