关于骨巨细胞瘤正确的是() ["A．多见于20～40岁的青壮年","B．好发于四肢长骨的骨干","C．为潜在性恶性肿瘤或临界肿瘤","D．X线征呈肥皂泡沫样骨质破坏阴影","E．局部刮除术易复发"]
中央型肺癌的间接X线征象是() ["A．肺门区肿块","B．支气管狭窄闭塞或中断","C．支气管腔内充盈缺损","D．支气管壁不规则或残缺","E．阻塞性肺炎"]
腕背侧发生带蒂的腱鞘囊肿最常见的部位是() ["A．桡舟关节","B．舟小多角关节","C．屈肌腱鞘","D．舟月韧带","E．近端指间关节"]
腱鞘囊肿的查体所见不包括() ["A．有可活动的物体，有时轻度压痛","B．以笔式电筒光照射肿物时不透光","C．腕伸展范围减小","D．腕背侧痛","E．指甲板变形"]
骨肿瘤的诊断原则是________、________和________相结合。
当骨有迅速破坏时，________往往升高；成骨性骨肿瘤血清________升高；浆细胞骨髓瘤时尿________蛋白阳性。
