NAVLE(北美执业兽医考题)Day 401

单选题,正确答案是100分,非正确答案为0分,Good Luck!devil
A 6-year old male neutered Weimaraner presents for left forelimb lameness. Radiographs are shown below and show a mixed productive and destructive lesion affecting the left distal radius with accompanying soft tissue swelling. The lesion does not cross the joint. What is the most common primary bone tumor in the dog?
一只6岁的雄性已绝育魏玛犬由于左前肢跛行前来就诊。X光片如下图,可见桡骨远端出现混合性破坏性病变伴随软组织肿胀。病变没有越过关节。该犬最常见的原发性骨肿瘤是什么?

A - Multiple myeloma 多发性骨髓瘤
B - Fibrosarcoma 纤维肉瘤
C - Chondrosarcoma 软骨肉瘤
D - Osteosarcoma 骨肉瘤
E - Hemangiosarcoma 血管内皮瘤

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