Myxoid liposarcoma in a dog
2014
Jeon, S.J., Chungnam National University, Daejeon, Republic of Korea | Cho, E.S., Chungnam National University, Daejeon, Republic of Korea | Noh, H.J., Chungnam National University, Daejeon, Republic of Korea | Son, H.Y., Chungnam National University, Daejeon, Republic of Korea
The pathological features of a mass in the back skin region of an 8-year-old castrated male dog are described herein. The cut section of the tumor was white to tan with a soft multilobulated mass containing hemorrhagic and necrotic foci and a mucinous-like composition. Microscopically, the tumor was composed of a mixture of lipocytes, lipoblasts, spindle cells and stellate cells and had a myxoid background. Oil red O staining revealed that the cytoplasm of neoplastic cells contained large numbers of lipid droplets. Immunohistochemically, tumor cells were positive for vimentin and S-100 protein. The skin mass was diagnosed as myxoid liposarcoma.
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