Bilateral tympanokeratomas (cholesteatomas) with bilateral otitis media, unilateral otitis interna and acoustic neuritis in a dog.
Acta Vet Scand 2018 May 22;60(1):31. Epub 2018 May 22.
Department of Diagnostic Medicine/Pathobiology, Kansas State Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Kansas State University, K-221 Mosier Hall, Manhattan, KS, 66506-5802, USA.
Background: An aural cholesteatoma, more appropriately named tympanokeratoma, is an epidermoid cyst of the middle ear described in several species, including dogs, humans and Mongolian gerbils. The cyst lining consists of stratified, keratinizing squamous epithelium with central accumulation of a keratin debris. This case report describes vestibular ganglioneuritis and perineuritis in a dog with chronic otitis, bilateral tympanokeratomas and presumed extension of otic infection to the central nervous system. Read More