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Auricular chondrosis in a horse.

J R Bowers¹, R F Slocombe

¹Mt Martha, Victoria, Australia. josuron@satlink.com.au

Australian Veterinary Journal

|June 4, 2009

Summary

A rare condition called auricular chondrosis caused nodular lesions on a pony's ears. This diagnosis, previously unrecorded in horses, highlights a new potential veterinary concern.

Area of Science:

Veterinary Pathology
Comparative Pathology

Background:

Equine dermatology often presents unique challenges.
Auricular chondrosis is a known condition in other species.

Observation:

A 4-year-old Welsh Mountain Pony gelding presented with multiple, raised, nodular lesions on the medial aspects of both ears.
Lesions measured 3-8 mm in diameter and developed over several months without epidermal involvement.

Findings:

Histopathological examination of punch biopsies confirmed a diagnosis of auricular chondrosis.
This condition has not been previously reported in horses.

Implications:

This case report introduces auricular chondrosis as a potential diagnosis in equine ear conditions.

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Further research is warranted to understand the prevalence and pathogenesis of this condition in horses.