恶性骨肿瘤最主要的确诊依据是() ["A．家族史","B．临床表现有明显的体征","C．病理组织学检查","D．化验检查","E．影像学检查"]
术前放疗有何意义?
腰部扭伤/劳损患者常见于() ["A．10～20岁","B．20～40岁","C．40～60岁","D．60～80岁","E．80～100岁"]
单纯L神经根受压不可能出现的临床表现是() ["A．腰骶部疼痛","B．大腿外侧疼痛","C．小腿外侧麻木","D．伸膝无力","E．膝腱反射正常"]
什么叫根治性放疗?
何谓姑息性放疗?
