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Appendicular Osteosarcoma with Vicious Systemic Metastasis in a Young Beagle

一例年輕米格魯犬之肢體骨肉瘤及全身性猛烈轉移

摘要


骨骼的腫瘤一向被認為好發在大型到巨型的犬種及年齡較大的犬隻。但臨床上中小型犬隻出現跛行並伴有肢體異常腫大時,骨駱腫瘤仍需列入鑑別診斷中。一隻3.5歲、11.5公斤的米格魯犬因左前肢肱骨腫大就醫。犬隻最後接受安樂死並進行解剖,患肢截肢術後存活時間為16週,最終診斷為肢體骨肉瘤合併猛烈之全身性轉移。骨肉瘤為高度轉移性的腫瘤,確診後需迅速地進行大範區的手術切除和化學治療,才有可能得到較佳預後。

並列摘要


Although skeletal tumor is predominantly a disease affecting elder large- and giant-breed dogs, its possibility in a small-sized, young dog can never be ruled out. A case of osteosarcoma involving the left proximal humerus in a 3.5 years old Beagle is described. With vicious systemic metastasis, the dog was euthanized with the survival time of 16 weeks after amputation of affected limb. In the management of canine osteosarcoma, early diagnosis and aggressive treatment including surgical excision and adjuvant chemotherapy are critical.

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