[名词解释] 半月襞

扁桃体 女，3岁，头痛、呕吐1周，结合MRI图像，最可能的诊断是() ["A．脑膜炎","B．硬膜下出血","C．脑转移瘤","D．脑梗死","E．脑脓肿"] 腺样体 梨状窝 下面哪种病可以看到KerleyB线() ["A．胸膜炎","B．病毒性肺炎","C．慢性支气管炎","D．肺水肿","E．肺脓肿"] 半月襞