Mammary Adenocarcinoma in a Chipmunk (Tamias sibiricus)

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概要

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• An 8-year-old, female chipmunk (Tamias sibiricus), which had been kept as a pet, was presented with a chief complaint of the gradually enlarging mammary mass and dysuria. The mammary mass was surgically excised and was histopathologically diagnosed as mammary adenocarcinoma. Despite a general improvement in its condition and reduced dysuria after surgery, the chipmunk died on postoperative day 188. Pathological examination revealed that the mammary tumor had metastasized to both the lungs and the pelvic cavity. The metastatic focus in the pelvic cavity involved the left ureter, with ipsilateral hydronephrosis. Immunohistochemically, the tumor cells were stained positive for cytokeratin (CK) AE1/AE3 and partially positive for CK7, but negative for CK20. This is the first report of a mammary tumor in chipmunks.

• 社団法人　日本獣医学会の論文

著者

• OOHASHI Eiji

  Akashiya Animal Hospital

• KANGAWA Akihisa

  Laboratory of Veterinary Pathology, Division of Pathological Science, Department of Basic Veterinary

• KOBAYASHI Yoshiyasu

  Laboratory of Veterinary Pathology, Division of Pathological Science, Department of Basic Veterinary

• KANGAWA Akihisa

  Laboratory of Veterinary Pathology, Division of Pathological Science, Department of Basic Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine

関連論文

• Chronic Progressive Polyarthritis in a Female Cat
• Mammary Adenocarcinoma in a Chipmunk (Tamias sibiricus)
• Feline Epidermal Nevi Resembling Human Inflammatory Linear Verrucous Epidermal Nevus
• Humeral Chondrosarcoma in a Hokkaido Brown Bear (Ursus arctos yesoensis)

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