患者肥胖，50岁，男性，CT如图所示，最可能的诊断为() ["A．胰岛细胞瘤","B．假性动脉瘤","C．动脉瘤","D．胰腺腺癌","E．转移癌"]
肋间神经阻滞：体表定位方法和操作注意事项
散发性甲低的病因有() ["A．甲状腺不发育，发育不全或异位","B．甲状腺素合成障碍","C．孕妇饮食缺碘","D．促甲状腺激素缺乏","E．甲状腺或靶器官反应低下"]
结合图像，最可能的诊断为() ["A．肝癌","B．肝豆状核变性引起的肝硬化","C．原发性胆汁性肝硬化","D．肝炎","E．肝转移癌"]
性早熟的临床表现正确的是() ["A．女孩多见","B．骨龄一般超过实际年龄","C．提前出现性征发育","D．年后身高高于正常儿","E．骨骺愈合较早"]
股外侧皮神经阻滞：体表定位方法和操作注意事项。
