Endoscopy of the auditory tube diverticula in four horses with otitis media/interna
Endoscopic examination of the auditory tube diverticula was a diagnostic aid in the evaluation of 4 horses with otitis media/interna and associated osseous changes of the stylohyoid and petrous temporal. One of the horses was examined because of persistent head shaking; the other 3 were examined because of an acute onset of facial and vestibulocochlear nerve dysfunction. Proliferative lesions involving the petrous temporal bone and proximal portion of the stylohyoid bone were identified endoscopically in all 4 horses. Endoscopy is a noninvasive procedure that provides an alternative to skull radiography and tympanocentesis in the diagnosis of otitis media/interna in horses. In addition, risks associated with general anesthesia are avoided.
D M. Hassel, H C. Schott 2nd, R L. Tucker, and Melissa T. Hines. "Endoscopy of the auditory tube diverticula in four horses with otitis media/interna" Journal of the American Veterinary Medical Association 207.8 (1995): 1081-1084.
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