This report describes a case of canine segmental external auditory canal atresia (EACA). The dog was managed medically with non-steroidal anti-inflammatory drugs until clinical deterioration, at which time a novel and successful end-to-end anastomosis surgical repair was performed. At the 30 day postoperative re-examination, the dog was clinically well and otoscopy confirmed that there was no evidence of auditory canal stenosis. The patient remained free of ongoing issues 20 months after the surgery. End-to-end anastomosis should be considered for treatment of developmental segmental EACA in the canine.
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