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MR-DWIBS在直肠癌淋巴结转移评估中的应用 被引量:6

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摘要 目的探讨磁共振(MR)背景抑制弥散加权成像(DWIBS)在直肠癌淋巴结转移评估中的应用价值。方法对48例经手术病理检查确诊的直肠癌患者的术前盆腔MR-DWIBS检查结果作回顾性分析,记录淋巴结的位置、大小、形态以及表观弥散系数(ADC值),与术后组织病理学诊断结果进行比较。结果本组48例术前MR-DWIBS检查均诊断为直肠癌,与术后组织病理学诊断结果相符,术前诊断正确率为100%。短轴横径>1.0 cm的淋巴结MR-DWIBS均能显示,且手术证实都为转移淋巴结;短轴横径0.5~1.0 cm的转移性和非转移性淋巴结的ADC值相近(P>0.05)。结论 MR-DWIBS在直肠癌术前淋巴结转移评估中有较高的利用价值,可以在一定程度上指导手术中的淋巴结清扫范围。
出处 《山东医药》 CAS 2012年第14期52-54,共3页 Shandong Medical Journal
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