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OJVRTM
Online Journal of Veterinary
Research©
Volume 17 (5): 218-226,
2013. Redacted 2017.
Case Study: Myxoid liposarcoma in a dog
Kerriel Thandile Green1; Érika
Regazoli2; Elisângela Olegário da Silva1; Carmen Lúcia Scortecci Hilst2;
Giovana Wingeter Di Santis3
1DVM, Laboratory of Animal
Pathology, 2DVM Department of Veterinary Clinical. 3DVM PhD Laboratory
of Animal Pathology, Universidade Estadual de
Londrina, Londrina-PR, Brazil.
ABSTRACT
Green KT, Regazoli E, Olegário
da Silva E, Scortecci Hilst
CL, Wingeter Di Santis G., Myxoid liposarcoma in a dog, Onl J Vet Res., 17 (5): 218-226, 2013. A male, mixed-breed stray dog presented a voluminous,
intramuscular mass in the thigh. On clinical examination, the mass was firm and
painful. Fine-needle aspirates of the mass were examined cytologically
and diagnosis was suggestive of a malignant mesenchymal tumor. Clinical signs
progressed and the dog presented poor response to clinical treatment and was
euthanized. Cut sections of the mass at necropsy revealed a white, multilobulated mass with scattered irregular areas of
necrosis. Histopathological evaluation of the mass was compatible with myxoid liposarcoma. The myxoid liposarcoma
subtype is the most common in dogs and is considered of intermediate malignancy
with low metastatic potential. Evidence of necrosis observed
macroscopically in this report is not a common finding in myxoid
liposarcoma, indicating a poorer prognosis regardless
of the subtype classification.
Key words: liposarcoma, thigh, dog.
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