Primary Hemangiosarcoma of the Humerus in a Maltese Dog

  • HIDAKA Yuichi
    Department of Veterinary Surgery, Faculty of Agriculture, University of Miyazaki
  • HAGIO Mitsuyoshi
    Department of Veterinary Surgery, Faculty of Agriculture, University of Miyazaki
  • UCHIDA Kazuyuki
    Department of Veterinary Pathology, Faculty of Agriculture, University of Miyazaki
  • HARA Yae
    Department of Veterinary Pathology, Faculty of Agriculture, University of Miyazaki

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  • 上腕骨原発性血管肉腫のマルチーズの1例

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Abstract

A 14-year-old intact male Maltese dog was presented with a history of pain and swelling of the left upper forelimb and lameness for 3 weeks. Hematological and radiographical examinations showed regenerative anemia and osteolysis of the humerus. Fine needle aspiration biopsy detected epithelioid- and fibroblast-like anaplastic cells with blood components. A hemorrhagic and osteolytic malignant tumor was suspected, and the affected forelimb was amputated. Histopathologically, the dog was diagnosed with primary hemangiosarcoma of the humerus. Thereafter, metastatic lesions appeared in the skin, and the dog was euthanized 1 month after the operation.<br>

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