Aortic thrombosis in a dog with chronic lymphocytic leukemia

portuguesO objetivo do presente relato e descrever um caso de trombose aortica (AT) secundaria a leucemia linfocitica cronica (LLC). Embora diferentes tipos de neoplasmas sejam descritos como possiveis causas de trombose aortica, a LLC ainda nao foi considerada. O cao mostrou sinais de claudicacao que pioravam com o exercicio. O diagnostico de AT foi realizado por exame ultrassonografico. O diagnostico de LLC foi feito por necropsia, que mostrou a presenca de pequenos linfocitos com aparencia de linfocitos maduros na medula ossea, baco, figado e rins. Destaca-se a importância da inclusao da LLC nas possiveis causas de AT em caes, alem da suspeita de AT em casos de doenca neuromuscular EnglishThe aim of this report was to describe a case of aortic thrombosis (AT) secondary to chronic lymphocytic leukemia (CLL). Although, different types of neoplasms are described as possible causes of aortic thrombosis, CLL was not yet considered. The dog showed signs of lameness that worsened with exercise. The diagnosis of AT was made by ultrasound examination. The diagnosis of CLL was made by necropsy, which showed the presence of small lymphocytes with the appearance of mature lymphocytes in the bone marrow, spleen, liver and kidneys. The importance of including CLL in the possible causes of AT in dogs, in addition to the suspicion of AT in cases of neuromuscular disease, was highlighted