Parotid Gland Oncocytoma in a Cat Treated with Surgery

  • ITOH Teruo
    Aoba Animal Hospital,Miyazaki 880-0842, Japan Division of Animal Medical Research, Hassen-kai, Miyazaki 881-0012, Japan
  • KOJIMOTO Atsuko
    Aoba Animal Hospital,Miyazaki 880-0842, Japan Division of Animal Medical Research, Hassen-kai, Miyazaki 881-0012, Japan
  • UCHIDA Kazuyuki
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-0133, Japan
  • ITO Soma
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-0133, Japan
  • CHAMBERS James
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-0133, Japan
  • SHII Hiroki
    Division of Animal Medical Research, Hassen-kai, Miyazaki 881-0012, Japan

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Other Title
  • 耳下腺オンコサイトーマを手術切除した猫の1例

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Abstract

<p>A 15 year-old spayed female domestic cat presented with a subcutaneous mass on the ventral side of the external ear canal. A salivary gland tumor was suspected, and its size continued to increase. On day 49, a mass protruding from the ventral edge of the parotid gland was surgically excised. The mass was diagnosed as an oncocytoma by histopathological examination, histochemical staining, and immunostaining for cytochrome C. No recurrence or metastasis has been observed for 17 months after the operation. This is the first report of parotid gland oncocytoma in a cat with long-term postoperative survival.</p>

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