下列关于肝脓肿的MR表现，错误的是（） ["T1WI呈低信号","T2WI呈高信号","脓肿腔内发现气体影不是肝脓肿的表现","增强扫描脓肿壁可以呈环状强化","脓肿壁的信号稍高于脓腔，但低于正常肝组织"]
发汗后，汗出而喘、无大热者可与：（） ["桂枝加厚朴杏子汤","小青龙汤","大青龙汤","葛根芩连汤","麻杏石甘汤"]
产后甲状腺炎与HT的区别在于（） ["前者甲状腺内淋巴细胞浸润轻，无生发中心形成","以上都不对","前者发生在产后","前者病程呈自限性","前者甲状腺内淋巴细胞浸润明显，伴有生发中心形成"]
一般鼻咽癌首发症状是（）。 ["耳部症状","脑神经症状","涕中带血","颈深部上群淋巴结肿大","远处转移"]
灯泡征最常见于（） ["原发性肝癌","肝血管瘤","肝脓肿","转移性肝癌","肝囊肿合并出血"]
便秘的病因
