Total ear canal ablation combined with lateral bulla osteotorny in J the cat

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Abstract
Eighteen total ear canal ablations combined with lateral bulla osteotomy (TECA/LBO) procedures were performed in 15 cats over a period of 30 months. The indications for surgery included neoplastic disease, ceruminous gland adenocarcinoma of the horizontal canal or middle ear (10 ears), squamous cell carcinoma extending from the pinna (four), polyps emanating from the middle ear (three), and chronic unremitting middle ear disease (one). Complications associated with surgery included facial paralysis (seven cases), facial neuropraxia (four), Horner's syndrome (three), and wound dehiscion (one). Eleven cats were alive and disease‐free six months after the surgery. The results indicate that the major indication for TECA/LBO in the cat is neoplastic disease involving the ear. Unlike the procedure in the dog, for which the usual indication is benign end‐stage ear disease, neurological complications are common despite meticulous surgical dissections. In addition, the postoperative prognosis is guarded because of malignant disease in many cases.