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MR弥散成像对肝脏占位性病变的诊断价值 被引量:3

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摘要 目的评价磁共振弥散成像(DWI)对肝脏常见占位性病变的诊断及鉴别诊断价值。方法对98例肝脏占位性病变患者行DWI扫描(肝细胞癌34例,肝转移瘤16例,肝血管瘤33例,肝囊肿15例),测量表观扩散系数(ADC)值并计算肝细胞癌和肝转移瘤的瘤/肝ADC值比值。结果病变的ADC值分别为:肝细胞癌(1.77±0.60)×10-3mm2/s,肝转移瘤(1.70±0.34)×10-3mm2/s,肝血管瘤(2.52±0.75)×10-3mm2/s,肝囊肿(3.60±0.69)×10-3mm2/s。肝囊肿ADC值与肝血管瘤、肝转移瘤以及肝细胞癌的ADC值差异有统计学意义,肝血管瘤ADC值与肝转移瘤、肝细胞癌ADC值差异也具有统计学意义,而肝转移瘤和肝细胞癌的ADC值之间差异无统计学意义;肝细胞癌的瘤/肝ADC值比值是1.13±0.25,肝转移瘤的瘤/肝ADC值比值是0.95±0.27,两者比较,差异有统计学意义。结论分析DWI图像中病灶的ADC值及瘤/肝ADC值比值,对肝脏占位性病变的定性诊断及鉴别诊断具有较高的临床应用价值。
出处 《实用肿瘤杂志》 CAS 2008年第5期459-461,共3页 Journal of Practical Oncology
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