Renal Adenosquamous Carcinoma in a Cat

  • KAWASHIMA Takanori
    Department of Veterinary Surgery, Faculty of Agriculture, Gifu University
  • HORI Mitsuharu
    Department of Veterinary Pathology, Faculty of Agriculture, Gifu University
  • IWASA Tatsuo
    Hashima Animal Hospital
  • MOMOI Yasuyuki
    Department of Veterinary Surgery, Faculty of Agriculture, Gifu University
  • SAKAI Hiroki
    Department of Veterinary Pathology, Faculty of Agriculture, Gifu University
  • YAMAZOE Kazuaki
    Department of Veterinary Surgery, Faculty of Agriculture, Gifu University
  • MASEGI Toshiaki
    Department of Veterinary Pathology, Faculty of Agriculture, Gifu University
  • KUDO Tadaaki
    Department of Veterinary Surgery, Faculty of Agriculture, Gifu University

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Other Title
  • 猫の腎臓の腺扁平上皮癌の1例

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A ten-year-old female american-short-hair cat was brought in with paralyzed rear limbs. The cat showed dorsal swelling and induration between the 1st and the 3rd lumbar vertebrae, and absent pulsation on the femoral artery. Radiography and ultrasonography revealed that there were intra-abdominal cysts which had invaded the lumbar vertebrae. After draining liquid from these cysts, pulse on the femoral artery became palpable, but the rear paralysis did not improve. Myelography suggested the presence of spinal cord compression. A dorsal laminectomy from L1 to L3 was performed, but the rear paralysis still remained. The cat died five days after the surgery. At necropsy, the right kidney was highly hydronephrotic and adhered tightly to the ventral side of the vertebral bodies from L1 to L3. Histological diagnosis of the disease was an adenosquamous carcinoma originating from transitional epithelium of the renal pelvis or the ureter.

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