Kio Yoshida, James K Chambers, Masashi Terao, Hiroaki Kamishina, Daisuke Hasegawa, Kazuyuki Uchida
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Abstract
A 5-year-4-month-old neutered female French bulldog had a brain mass that was surgically excised. Histologically, the tumor consisted of neoplastic oligodendroglial and spindle-shaped cells, and chondroid tissues. Immunohistochemically, oligodendroglial cells were immunopositive for oligodendrocyte transcription factor 2 (OLIG2), 2', 3'-cyclic nucleotide 3'-phosphodiesterase (CNPase), platelet-derived growth factor receptor alpha (PDGFRA), vimentin, cluster of differentiation 44 (CD44), and WW domain containing transcription regulator 1 (WWTR1). Spindle-shaped cells were immunopositive for OLIG2, vimentin, CD44, and WWTR1. In chondroid tissues, chondrocyte-like cells were immunopositive for OLIG2, PDGFRA, vimentin, and WWTR1. In the present case, the tumor had oligodendroglial features accompanied by mesenchymal and chondroid metaplasia. Based on these findings, the dog was diagnosed with an oligosarcoma with chondroid metaplasia.
期刊介绍：
JVMS is a peer-reviewed journal and publishes a variety of papers on veterinary science from basic research to applied science and clinical research. JVMS is published monthly and consists of twelve issues per year. Papers are from the areas of anatomy, physiology, pharmacology, toxicology, pathology, immunology, microbiology, virology, parasitology, internal medicine, surgery, clinical pathology, theriogenology, avian disease, public health, ethology, and laboratory animal science. Although JVMS has played a role in publishing the scientific achievements of Japanese researchers and clinicians for many years, it now also accepts papers submitted from all over the world.
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