Nephroblastoma in a Dog

DOI 13 References
  • HAMAOKA Mio
    Laboratory of Veterinary Pathology, College of Bioresource Sciences, Nihon University
  • SATO Tsuneo
    Laboratory of Veterinary Pathology, College of Bioresource Sciences, Nihon University
  • SHIBUYA Hisashi
    Laboratory of Veterinary Pathology, College of Bioresource Sciences, Nihon University
  • ASANO Kazushi
    Laboratory of Veterinary Surgery, College of Bioresource Sciences, Nihon University
  • WATARI Toshihiro
    Comprehensive Veterinary Clinical Studies, College of Bioresource Sciences, Nihon University
  • ABE Yoko
    Comprehensive Veterinary Clinical Studies, College of Bioresource Sciences, Nihon University

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  • 犬の腎芽腫の１例

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A 6-year and 10-month-old, neutered female Labrador retriever was referred to our hospital with a month-long history of hematuria. Radiological and ultrasonographical examinations revealed a mass in the right kidney area. The mass was removed and investigated pathologically. Cystic wall composed of a thick capsule and a compressed renal parenchyma surrounded the mass. In cross section, it showed a grayish white mass like a cauliflower in the cyst. Tumor cells were spindle-shaped, and reacted with anti-vimentin antibody. In addition there were transitional epitheliums positive for anti-keratin/cytokeratin antibody, and myogenic cells positive to anti-desmin and anti-α-SMA antibodies. Based on these observations, this tumor was diagnosed as nephroblastoma, although primitive glomeruli and nephronic tubules were not observed.

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