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1 September 2001 CHRONIC OTITIS EXTERNA/MEDIA WITH TOTAL EAR CANAL ABLATION AND BULLA CURETTAGE IN A NORTH AMERICAN BISON (BISON BISON)
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Abstract

An adult female North American bison (Bison bison) with a chronic otitis externa/media of the right ear was examined because of a 4-mo history of intermittent anorexia, apparent painful behavior, and auricular discharge from the right ear. Computerized tomography (CT) demonstrated osteolysis of the tympanic, petrous, and squamous aspects of the temporal bone with soft tissue replacement and sclerosis of the right bulla. A total ear canal ablation with bulla curettage was performed, and cefazolin-impregnated polymethacrylate beads were left within the right bulla and the remnant temporal bone. Six months after the surgery, the bison had no clinical signs of otitis media.

Shannon T. Ferrell, Celia Valverde, and Lyndsay G. Phillips Jr. "CHRONIC OTITIS EXTERNA/MEDIA WITH TOTAL EAR CANAL ABLATION AND BULLA CURETTAGE IN A NORTH AMERICAN BISON (BISON BISON)," Journal of Zoo and Wildlife Medicine 32(3), 393-395, (1 September 2001). https://doi.org/10.1638/1042-7260(2001)032[0393:COEMWT]2.0.CO;2
Received: 8 December 2000; Published: 1 September 2001
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