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"]
TWI呈低信号TWI呈高信号()TWI和TWI呈等或稍低信号()TWI和TWI均呈高信号()周围低信号环() ["A．急性血肿","B．亚急性血肿","C．梗死","D．水肿","E．慢性血肿"]
钙化()水肿()亚急性出血() ["A．TWI和TWI均呈高信号","B．TWI高信号TWI低信号","C．TWI低信号TWI高信号","D．TWI和TWI均呈低信号","E．TWI等信号TWI低信号"]
主要用于诊断早期缺血性脑卒中()评价毛细血管床的状态和功能()利用流空现象使血管显影不属于MRA技术范畴() ["A．质子弛豫增强效应","B．弥散成像","C．灌注成像","D．黑血技术","E．流空现象"]
肾母细胞瘤的主要临床特点是() ["A．虚弱婴幼儿腹部有巨大包块","B．有血尿、尿频、尿痛","C．血中肾素活性升高","D．常早期转移至颅骨和肝","E．血中促红细胞生成素升高"]
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()
