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22 : Diagnostic approach to otitis extema

Figurę 22:9: Erythematous, scaling lesions on the medial pinna, and at the entrance to the ear canal, in a cat with epitheliotropic T celi lymphoma

Figurę 22:10: Shiny, erosive and erythematous lesions on the face and ear ofa cat with degenerative mucinous lymphocytic mural folliculitis

Figurę 22 :11 : Crusting lesions (self-inflicted) in the area behind the ears ofa cat with Otodectes cynotis infestation

Figurę 22:12: Parasitic erythemato-ceruminous otitis caused by Demodex cati: notę the greasy, brown, blackish cerumen

Figurę 22 :13 : Non-parasitic erythemato-ceruminous otitis caused by Malassezia pachydermatis

Figurę 22:14: Non-parasitic erythemato-ceruminous otitis in a cat with atopic dermatitis: notę lichenification ofthe ear canal

Figurę 22 :15 : Suppuratm otitis

Figurę 22 :16: Suppurative otitis and aura! haematoma

22.5