椎间盘水分丢失TWI上高信号消失()矢状面椎间盘向后隆起,横断面上椎间盘均匀地超出椎体边缘,有膜囊受压不明显()矢状面图像上,椎间盘呈半球状,矢状向后方或侧后方伸出,其信号强度与其主体部分一致()MRI上信号低于椎间盘,增强较椎间盘明显() ["A.椎间盘膨出","B.椎间盘突出","C.硬膜外瘢痕","D.椎间盘变性","E.椎间盘钙化"]
CT显示壁环形强化及腔内气液成分()MRI增强后壁环形强化及腔内见到无信号气体()CT增强显示对比剂“快进慢出”()MRI上显示“灯泡征”()CT、USG、MRI均显示“牛眼征”()USG显示圆形或椭圆形无回声区边界清楚() ["A.肝脓肿","B.肝转移瘤","C.肝硬化","D.肝血管瘤","E.肝囊肿"]
见于肝转移瘤的超声所见()见于肝血管瘤的肝动脉造影()见于肝血管瘤的MRI表现()见于肝血管瘤的强化CT表现() ["A.灯泡征","B.快进快出","C.快进慢出","D.牛眼征","E.爆米花状染色"]
属于无创性血管检查无需注入造影剂()包括MRCP,MRU,MRM,MR内耳成像等()静脉注入GD-DTPA,该物质不能通过完整的血脑屏障()在病变尚未出现形态变化之前成像用于早期诊断()有助于出血、肿瘤和炎症的鉴别() ["A.水成像","B.脂肪抑制","C.MRI对比增强检查","D.MR血管成像","E.功能性MRI成像"]
关于肾母细胞瘤的特点不正确是() ["A.腹部巨大包块是本病的主要特点","B.多于3岁以前发病","C.也偶发于成年人","D.常见发热和高血压","E.常见明显血尿"]
钙化()水肿()亚急性出血()