Feline-Type Cystic Basal Cell Tumor Filled With Abundant Melanin Pigment-Rich Fluid In A Dog
JOURNAL OF VETERINARY MEDICAL SCIENCE(2019)
摘要
A 2-year-old castrated male mongrel dog presented with a well-demarcated fluctuant dermal mass, located on the back of the neck. Grossly along with cystic structures filled with a black greasy fluid, when cut open. Microscopically, the mass was multi-lobulated. The lobules consisted of neoplastic basaloid cells and showed central degeneration, forming multiple central cystic structures filled with dark melanin-pigmented materials. Immunohistochemically, the neoplastic cells were strongly positive for CK14 and partially positive for CK19, but negative for CK7, CK8/18, CD34, S-100, Melan-A and alpha-SMA. Based on the findings, the present case was diagnosed as a feline-type basal cell tumor characterized by cystic structures filled with abundant black fluid.
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关键词
basal cell tumor, dark fluid, dog, feline, melanin
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