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- Title
Sebaceous adenitis in Havanese dogs: a retrospective study of the clinical presentation and incidence.
- Authors
Frazer, Megan M.; Schick, Anthea E.; Lewis, Thomas P.; Jazic, Edward
- Abstract
Sebaceous adenitis is a suspected immune-mediated disease that targets and destroys sebaceous glands. This retrospective study evaluated the clinical presentation and incidence of sebaceous adenitis in Havanese dogs. Sebaceous adenitis was diagnosed in 35% (12 of 34) of Havanese dogs presented over a 5-year period. Onset of clinical signs occurred during young adulthood. Follicular casts were present in 92% (11 of 12) of affected dogs. Other common clinical signs included alopecia and hypotrichosis. The trunk, head and ears were commonly affected, with 67% (8 of 12) of cases having pinnal and/or external ear canal involvement. Secondary pyoderma was seen in 42% (5 of 12) of dogs. Histopathology revealed absent sebaceous glands in 83% (10 of 12) and a lymphoplasmacytic periadnexal infiltrate in 92% (11 of 12) of samples. Treatment included multiple modalities. Ciclosporin was prescribed in 83% (10 of 12) of cases. Other systemic therapies included vitamin A and fatty acid supplementation. Topical therapies included antiseborrhoeic shampoos and sprays, and oil soaks. Follow-up ranging from 2 months to 3 years was obtained in 67% (8 of 12) of dogs. Improvement ranged from minimal to marked, with better clinical response associated with longer duration of treatment. Owners with follow-up of more than 1 year commonly reported occasional flares of the clinical signs. This study found that sebaceous adenitis was a common diagnosis in Havanese dogs, that the ears were commonly affected and that a lymphoplasmacytic periadnexal infiltrate associated with absent sebaceous glands was frequently seen on dermatohistopathological examination.
- Subjects
LYMPHADENITIS; SEBACEOUS gland diseases; DIAGNOSIS of dog diseases; BALDNESS; PYODERMA in animals; DIAGNOSIS
- Publication
Veterinary Dermatology, 2011, Vol 22, Issue 3, p267
- ISSN
0959-4493
- Publication type
Article
- DOI
10.1111/j.1365-3164.2010.00942.x