Extra-auricular lesions of proliferative and necrotizing otitis externa in three kittens.

Background: Proliferative and necrotising otitis externa (PNOE) is a rare disorder in cats with poorly understood pathogenesis. Extra-auricular (EA) lesions recently have been mentioned in a textbook and in one case report.

Objectives: To describe EA lesions associated with PNOE in three kittens.