摘要
目的：对比分析小肝癌（SHCC）的MRI（平扫＋动态增强扫描）与DSA影像表现及检出率,探讨两者对小肝癌的诊断价值。方法：回顾性分析经病理证实的67例SHCC的MRI及DSA影像资料,并进行对比研究,67例均行MRI及DSA检查,两种检查的时间间隔为2~10d10结果：67例SHCC共86个病灶,其中富血供型病灶65个,乏血供型病灶21个,27个病灶有包膜。MRI共检出SHCC病灶76个,其中富血供型58个,乏血供型18个;DSA共检出SHCC病灶73个,其中富血供型65个,乏血供型8个;MRI＋DSA共检出SHCC病灶84个。对于富血供型SHCC病灶,DSA的检出率（100%）优于MRI（89.23%）;而对于乏血供型SHCC病灶,MRI的检出率（85.71%）优于DSA（38.09%）,差异均有统计学意义（P〈0.05）。对于SHCC总病灶数的检出率,MRI（88.37%）与DSA（84.88%）之间差异无统计学意义（P〉0.05）;MRI与MRI＋DSA、DSA与MRI＋DSA检出率之间差异均有统计学意义（P〈0.05）,MRI＋DSA的检出率（97.67%）优于单一MRI或DSA检查。结论：MRI与DSA对SHCC的诊断均具有较高的检出率,两者各有优缺点,两者结合有利于提高SHCC的检出率,DSA还可指导进行后续的介入治疗,对于小肝癌的早期发现及治疗有着重要的临床意义。
Objective：This study was aimed to compare the detection rate and diagnostic value of plain and dynamic enhanced MRI scan and digital subtraction angiography（DSA）for small hepatocellular carcinoma（SHCC）.Methods：The MRI and DSA materials of 67 patients with pathology proven SHCC were retrospectively analyzed and comparative study were performed.All cases were examined by MRI and DSA with an interva1 as 2~10days.Results：Of the 67patients（86lesions）detected,there were 65 lesions with rich blood supply and 21 lesions with poor blood supply.76 lesions were revealed on MRI,including rich blood supply lesion（n=58）and poor blood supply lesion（n=18）.73 lesions were detected on DSA,including rich blood supply lesion（n=65）and poor blood supply lesion（n=8）.84 lesions were detected by MRI in combination with DSA.For SHCCs with rich blood supply,the detection rate of DSA was 100%,which was superior to MRI（89.23%）;whereas,for SHCCs with poor blood supply,the detection rate of MRI was 85.71%,which was superior to DSA（38.09%）,with statistical significance（P〈0.05）.For the total number of lesions detected,no significant statistic difference was existed between MRI（88.37%）and DSA（84.88%）（P〉0.05）.There was statistical significance between MRI＋DSA vs MRI or DSA in total detection rate（P〈0.05）.The detection rate of MRI＋ DSA（97.67%）was superior to that of MRI/DSA.Conclusions：There are pros and cons for the detection of SHCC by MRI or DSA.The detection rate could be increased by the combination of the two.DSA could be used not only for the diagnosis but also for further interventional therapy,which is of great clinical significance in early detection and treatment of SHCC.
出处
《放射学实践》
北大核心
2015年第1期49-53,共5页
Radiologic Practice
关键词
磁共振成像
血管造影术
数字减影
小肝癌
肝肿瘤
Magnetic resonance imaging
Angiography
digital subtraction
Small hepatocellular carcinoma
Liver neoplasms
