著者
Meina TEI Kazuyuki UCHIDA James K. CHAMBERS Hiromi HARADA Masashi TAKAHASHI Ryohei NISHIMURA Manabu WATANABE Hiroyuki NAKAYAMA
出版者
JAPANESE SOCIETY OF VETERINARY SCIENCE
雑誌
Journal of Veterinary Medical Science (ISSN:09167250)
巻号頁・発行日
pp.1201170759, (Released:2012-01-20)
被引用文献数
1 4

A 6-year-old female Labrador retriever presented with a mass in the right mammary gland, and swollen right inguinal and axillar lymph nodes. Fine needle aspiration biopsy suggested a malignant lipid-producing tumor, such as liposarcoma. Histopathologically, the neoplasms were solid, lobulated nests of atypical epithelial cells with a large amount of extracellular deposits of amyloid in both mammary gland and lymph nodes. The proliferating cells contained large cytoplasmic vacuoles, positive for oil red-O. These cells were immunopositive for cytokeratin (AE1/AE3) and β-casein and negative for SMA. The amyloid deposits were immunopositive for β-casein. These findings suggested that the proliferating cells secreted β-casein forming amyloid deposits. This is the first report of mammary lipid-rich carcinoma with extensive amyloid deposition derived from β-casein.

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dog first report of mammary lipid-rich #carcinoma with extensive amyloid deposition derived from β-casein http://t.co/kCF7RtZh
dog first report of mammary lipid-rich #carcinoma with extensive amyloid deposition derived from β-casein http://t.co/kCF7RtZh

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