男性，45岁，因弯腰时突发腰痛伴左下肢放射痛，既往有反复发作的腰痛病史，查体腰椎轻度侧弯，腰4、5椎间隙左侧旁开1.5cm压痛并向下肢放射，左下肢皮肤感觉同右侧无异常，左下肢直腿抬高试验阳性。该病人明确诊断，最有价值的辅助检查方法是() ["A．腰椎B超","B．腰椎X线片检查","C．腰椎MRI检查","D．肌电图检查","E．脊髓造影"]
水痘和带状疱疹发病学上有什么关系?
典型的肝脓肿注射Gd-DTPA后，增强的脓腔壁如() ["A．结节状","B．线条状","C．花环状","D．菜花状","E．葫芦状"]
肝硬化结节的MRI表现应为() ["A．长T1、长T2","B．等T1、短T2","C．短T1、短T2","D．长T1、短T2","E．等T1、长T2"]
Pawl-Bunnell嗜异性抗体
简述水痘、带状疱疹的治疗原则。
