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Evolution of tibial Chondrosarcoma in a dog / Evolução do condrossarcoma em tíbia de cão

Marchiori Carvalho, Carina; Canevese Rahal, Sheila; Erique Fabris, Viciany; Jaqueline Mamprim, Maria; dos Reis Mesquita, Luciane; Guilherme de Faria, Luís.
Acta sci. vet. (Online); 41: 01-06, 2013.
Artigo em Português | VETINDEX-Express | ID: vti-475604

Resumo

Background: Chondrosarcoma is a malignant neoplasm of mesenchymal origin that generally develops slowly and has a low incidence of metastasis. It was related in dogs, but rarely in small or giant breeds. The most common site of skeletal chondrossarcoma in dogs is the nasal cavity. The lungs are the most common site of metastatic disease, but other organs may be affected. Chondrosarcoma may be classifi ed into primary or secondary according to location in bone, and histologically into mesenchymal and myxoid subtypes. Thus, this study reports the evolution of an uncommon case of chondrossarcoma in a dogs tibia. Case: A 1.4-year-old dog, 58 kg intact-male Brazilian Mastiff was admitted to the veterinary hospital due to lameness and swelling of the stifl e region present for 20 days. Radiographic examination showed lytic bone lesions in the proximal third of the right tibia with periosteal reaction, suggestive of bone tumor. Cytological examination revealed infl ammatory process indicative of acute periostitis. The clinical signs improved after treatment with nonsteroidal anti-infl ammatory (meloxicam, 0.1 mg/kg orally every 24 h) and analgesic (tramadol hydrochloride, 2 mg/kg orally every 8 h) drugs. However, eight months after the initial presentation, the dog had a recurrence of the lameness, and increase in volume and crepitus on palpation of the right knee. Radiographic exami
Background: Chondrosarcoma is a malignant neoplasm of mesenchymal origin that generally develops slowly and has a low incidence of metastasis. It was related in dogs, but rarely in small or giant breeds. The most common site of skeletal chondrossarcoma in dogs is the nasal cavity. The lungs are the most common site of metastatic disease, but other organs may be affected. Chondrosarcoma may be classifi ed into primary or secondary according to location in bone, and histologically into mesenchymal and myxoid subtypes. Thus, this study reports the evolution of an uncommon case of chondrossarcoma in a dogs tibia. Case: A 1.4-year-old dog, 58 kg intact-male Brazilian Mastiff was admitted to the veterinary hospital due to lameness and swelling of the stifl e region present for 20 days. Radiographic examination showed lytic bone lesions in the proximal third of the right tibia with periosteal reaction, suggestive of bone tumor. Cytological examination revealed infl ammatory process indicative of acute periostitis. The clinical signs improved after treatment with nonsteroidal anti-infl ammatory (meloxicam, 0.1 mg/kg orally every 24 h) and analgesic (tramadol hydrochloride, 2 mg/kg orally every 8 h) drugs. However, eight months after the initial presentation, the dog had a recurrence of the lameness, and increase in volume and crepitus on palpation of the right knee. Radiographic exami
Biblioteca responsável: BR68.1