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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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经脾门静脉造影磁共振成像:肝脏灌注均匀度的研究
, PP. 216-219
Keywords: 磁共振成像,门静脉造影术,脾脏,肝脏,灌注均匀度
Abstract:
目的研究经脾门静脉造影磁共振成像(mrsp)在肝脏非病变区的灌注均匀度。方法可疑肝脏占位性病变患者16例,行mrsp检查。扫描分4个时相:平扫期、门静脉期、实质期和延迟期,测量不同时相肝实质和非病变性异常灌注区信号强度。结果mrsp门脉期出现肝脏非病变区的异常灌注率为4/16,共8个灶,均为肝硬化患者,最多见为三角形或扇形(7/8),分布无规律。结论mrsp在门静脉期存在不均匀灌注,但并不影响对病变的诊断;mrsp可得到较均匀的肝脏门脉期强化。
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