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Ciência Rural

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Abstract

LOURES, Fabricia Hallack  and  CONCEICAO, Lissandro Gonçalves. Nevi and cutaneous hamartomas in dogs: retrospective clinical and epidemiologic study of 81 cases. Cienc. Rural [online]. 2009, vol.39, n.9, pp. 2527-2532. ISSN 0103-8478.  http://dx.doi.org/10.1590/S0103-84782009000900022.

In a period of eight years, nevic lesions were diagnosed in 81 cases. Fibroadnexal hamartoma (FH) occurred in 53 animals (65.4%), and it was clinically characterized by firm nodules located mainly on the limbs and digits. No sexual predisposition was present. Mongrels, Boxers and Cocker Spaniels were the breeds most affected by FH. The average age at which lesions appeared was 6.3 years. The collagenous nevi was the second most prevalent lesion, occurring in 18 dogs (22.2%). The lesions were usually single, alopecic and hyperpigmented. The main affected places were the dorso and limbs. The average age at which lesions appeared was 4.7 years. Mongrels, Rottweilers and Labradors were the breeds most affected by the collagenous nevi. Nodular dermatofibrosis was diagnosed in one dog. In this dog, multiple collagenous nevi were present alongside unilateral papillary renal cystadenoma. Sebaceous, follicule-apocrine and fibrolipomatous nevi were less frequently found (10 cases - 12.3%).

Keywords : nevi; hamartoma; dog; dermatosis.

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