Scientific Works Series C. Veterinary Medicine

PRINT ISSN 2065-1295, ISSN-L: 2065-1295, ISSN CD: 2343-9394,ISSN ONLINE 2067-3663


Published in Scientific Works. C Series. Veterinary Medicine, Vol. LVIII ISSUE 4
Written by Georgeta Dinescu, Selda Curtseit, Bucică Laura, Manuella Militaru

This study evaluated the epidemiological and morphological features, along with the efficiency of the cytological and histopathological diagnosis of cutaneous malignant mesenchymal tumors (MMT) in dogs. The study included 325 dogs with cutaneous MMT presented during five years (2007 – 2011) at the Department of Pathological Anatomy of the Faculty of Veterinary Medicine Bucharest. It was intended to establish: the predisposition of breed and sex, location of lesions, the incidence by years, seasons and months, and what sampling and type of investigations were used for the diagnosis. During these five years, a total of 3643 dogs with various lesions were subjected to pathological diagnosis and 1262 (34.5%) of them presented cutaneous/subcutaneous masses, of which 325 (25.7%) dogs were diagnosed with MMT. Breed predilection was not detected, but the affected dogs were mainly of medium and large breeds. Sex predilection was not apparent, both sexes being almost equally represented. The incidence of the cutaneous MMT ranged from 14% in 2009, to 26% in 2011. The median age of the affected dogs increased from 8 years in the first 3 years, to 9 years in the last year of study. About half of the neoplasms were located on the limbs (49%). The attempt to correlate the incidence of the tumors with the season concluded that the majority of the diagnoses were established during spring (20.5%) with the fewest, during summer (12.5%). The samples were obtained by fine needle aspiration (54%) and surgical excision (46%). The most frequent MMT were mast cell tumor, (39%), hemangiopericytoma (24%) and histiocytic tumors (12%).

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