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KMID : 0359320140540010063
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Korean Journal of Veterinary Research
2014 Volume.54 No. 1 p.63 ~ p.66
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Myxoid liposarcoma in a dog
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Jeon Sung-Joo
Cho Eun-Sang
Noh Hye-Jin
Son Hwa-Young
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Abstract
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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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KEYWORD
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canine myxoid liposarcoma, oil red O stain, PAS stain, S-100, vimentin
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