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华西医学  2015 

MRI常规扫描及弥散加权成像在宫颈癌评价中的价值

DOI: 10.7507/1002-0179.20150341, PP. 1183-1186

Keywords: 磁共振成像,常规扫描,弥散加权成像,宫颈癌

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Abstract:

MRI常规扫描凭借着较高的软组织分辨率对宫颈癌肿块在宫颈内部的生长情况、肿块对宫体的侵犯程度以及对宫旁癌周的侵犯、宫旁闭孔区淋巴结转移的评价方面具有较高准确性和特异性。MRI常规扫描可提高宫颈癌的定位、定性、分期的准确性,有助于临床国际妇产科联盟(FIGO)分期。MRI弥散加权成像,作为功能磁共振的一种,是唯一一种可以评价活体组织内水分子弥散状况的扫描方法,利用弥散加权成像获得表观弥散系数值可以对宫颈癌病灶组织病理学类型及分化程度、宫旁侵犯、淋巴结转移进行定量定性分析。将弥散加权成像与常规扫描结合起来在诊断宫颈癌、协助临床FIGO分期、制订优化个体化治疗方案及预后预测上有较大临床应用价值。

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