与肿瘤形状有关的因素有() ["A．发生部位","B．生长方式","C．肿瘤的良恶性","D．组织来源","E．继发改变"]
肾母细胞瘤形态特点是() ["A．肿瘤体积大","B．有完整包膜，分界清楚","C．切面灰白，灰红","D．可含骨、软骨","E．细胞成分复杂"]
脑梗死患者CT图像为() ["A．起病后即可见异常低密度影","B．起病24～48小时后可见异常低密度影","C．起病后即可见异常高密度影","D．起病后24～48小时即可见异常高密度影","E．起病1周后才改变"]
以介入神经放射治疗为首选治疗方法的是() ["A．颅内动脉瘤","B．颈内动脉海绵窦瘘","C．颅内海绵状血管瘤","D．高血压脑出血","E．颅内动静脉畸形"]
目前动脉瘤开颅手术中较理想的方法是() ["A．动脉瘤颈夹闭术","B．动脉瘤孤立术","C．载瘤动脉夹闭术","D．动脉瘤包裹术","E．动脉瘤颈夹闭术+动脉瘤切除术"]
如图a所示为脊髓()如图b所示为脊髓()如图c所示为脊髓()如图d所示为脊髓()
