先天性佝偻病(congenitalrickets)
微小听神经鞘瘤的最佳成像序列为() ["A．平扫TWI","B．平扫TWI","C．FLAIR","D．增强TWI","E．DWI "]
蛋白质一能量营养不良(protein-energymalnutritionPEM)
12岁儿童，间断性头痛1月，MRI显示右颞叶肿胀，病变呈长T1、长T2信号，注射对比剂后病灶无明显增强，病变边界不清，无明显灶周水肿，最可能的诊断是() ["A．单纯疱疹性脑炎","B．Ⅱ级星形细胞瘤","C．Ⅲ级星形细胞瘤","D．Ⅳ级星形细胞瘤","E．播散性脑脊髓炎"]
亚临床型维生素A缺乏症
体重低下(underweight)
