[1]孟 冷,张兆琪,王友海,等. 磁共振超高b值弥散序列指导前列腺穿刺的初步研究[J].介入放射学杂志,2012,(07):565-569.
　MENG Leng,ZHANG Zhao- qi,WANG You-hai,et al. Evaluation of ultra- high-b- value diffusion- weighted MR imaging in diagnosing prostate cancers： a preliminary study[J].journal interventional radiology,2012,(07):565-569.
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 磁共振超高b值弥散序列指导前列腺穿刺的初步研究 ()

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《介入放射学杂志》[ISSN:1008-794X/CN:31-1796/R]

卷:
期数:
2012年07期
页码:
565-569
栏目:
非血管介入
出版日期:
2012-07-30

文章信息/Info

Title:
 Evaluation of ultra- high-b- value diffusion- weighted MR imaging in diagnosing prostate cancers： a preliminary study
作者:
 孟 冷;  张兆琪;  王友海;  马力飞
Author(s):
 MENG Leng;  ZHANG Zhao- qi;  WANG You-hai;  MA Li- fei.
 Department of Radiology， the Affiliated Anzhen Hospital， Capital University of Medical Sciences， Beijing 100029， China
关键词:
 ; 【关键词】 前列腺癌;  前列腺增生;  磁共振成像;  弥散加权成像
文献标志码:
A
摘要:
 【摘要】 目的 探讨MR超高b值弥散序列指导前列腺穿刺的临床意义。方法 前列腺穿刺病理证实患者共计48例，其中前列腺癌15例，前列腺增生33例。所有患者行MR常规扫描及弥散序列扫描，b = 800，1500。以穿刺所得病理结果为金标准，分别观察前列腺癌及前列腺增生的常规b值及超高b值弥散图像特点。同时评价常规b值，超高b值及两组联合的诊断灵敏度、特异度、阳性预测值、阴性预测值。结果 常规b值，超高b值及两组联合的诊断灵敏度分别为79.17%，62.5%，91.67%；特异度分别为75.61%，95.12%，95.12%；阳性预测分别为60%，88.24%，91.67%；阴性预测值分别为86.11%，81.25%，95.12%。前列腺癌在超高b值图像上呈高信号，具有明显的特征，在常规b值图像上前列腺癌及前列腺增生均可呈等信号或高信号影。在诊断效能方面，超高b值联合常规b值对比2种单独引导具有明显优越性。结论 超高b值弥散序列有助于前列腺癌的诊断，尤其在联合常规b值的情况下，明显提高诊断效能。

参考文献/References:

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 （收稿日期：２０１2-０3-1０）
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