| 3.0T MR扩散加权成像对膀胱癌T分期的诊断价值 |
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| 引用本文： | 周国兴,沈璐,赵江民,王葳,王软斌,宗根林,汪波,郝楠馨.3.0T MR扩散加权成像对膀胱癌T分期的诊断价值[J].临床放射学杂志,2011,30(5). |
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| 作者姓名： | 周国兴 沈璐 赵江民 王葳 王软斌 宗根林 汪波 郝楠馨 |
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| 作者单位： | 同济大学附属东方医院医学影像科MRI室,上海,200120 |
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| 摘 要： | 目的探讨MR扩散加权成像(DWI)对膀胱癌T分期的诊断价值。资料与方法使用Philips Achieva3.0 T高场强超导型MR机,应用腹部多通道相控阵线圈,对44例膀胱癌患者,共71处病灶行MR检查,观察其DWI表现,并与手术病理分期结果进行对照分析。结果 71处病灶中,有蒂型病灶占60.56%(43/71),在DWI上均表现为C形或拱形样结构,其T分期的诊断符合率为95.35%(41/43)。DWI诊断膀胱癌T分期的准确度非常高,其准确度、敏感度和特异度分别为88.73%、84%、91.3%。DWI对膀胱癌T分期准确性优于T2WI(71.83%),但联合T2WI,可提高其对分期诊断的准确性(90.14%)。结论 3.0 T高场强MR DWI所表现C形或拱形样结构,可作为早期膀胱癌较特征性的诊断征象。联合其他序列,可提高DWI对分期的诊断准确性。
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| 关 键 词： | 膀胱癌 磁共振成像 扩散加权成像 肿瘤分期 |
Diagnostic Value of Diffusion Weighted Imaging in T Stage of Bladder Cancer By 3.0T MR |
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| ZHOU Guoxing,SHEN Lu,ZHAO Jianming,et al..Diagnostic Value of Diffusion Weighted Imaging in T Stage of Bladder Cancer By 3.0T MR[J].Journal of Clinical Radiology,2011,30(5). |
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| Authors: | ZHOU Guoxing SHEN Lu ZHAO Jianming |
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| Institution: | ZHOU Guoxing,SHEN Lu,ZHAO Jianming,et al.Department of Medical Imaging,Affiliated East Hospital of Tongji University,Shanghai,200120,P.R.China |
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| Abstract: | Objective To evaluate the ability of diffusion-weighted imaging in diagnosing T stage of bladder cancer.Materials and Methods 44 patients(71 lesions)underwent DWI with a 3.0 T MR scanner using a abdominal array multi-coil.Their DWI findings were analyzed and compared with surgical and pathological stages.Results 43 lesions(60.56%,43/71) with stalks were showed 'C-shaped or arch-shaped 'characteristic appearance.The accuracy of DWI in deciding the stage of papillary bladder cancer with a stalk was 95.35%(41/... |
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| Keywords: | Bladder cancer Magnetic resonance imaging Diffusion weighted imaging Neoplasm staging |
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