The clinical value of dynamic contrast-enhanced magnetic resonance imaging at 3.0T to detect prostate cancer

被引：9
作者：
Zhang, Xuhui [1 ]
Quan, Xianyue [1 ]
Lu, Shilong [1 ]
Huang, Fanheng [1 ]
Yang, Jianming [1 ]
Chan, Queenie [2 ]
Lin, Ting [1 ]
机构：
[1] Southern Med Univ, Dept Radiol, Zhujiang Hosp, Guangzhou 510282, Guangdong, Peoples R China
[2] Philips Healthcare, Hong Kong, Hong Kong, Peoples R China
来源：
JOURNAL OF INTERNATIONAL MEDICAL RESEARCH | 2014年 / 42卷 / 05期
关键词：
Prostate cancer; T2WI; DCE-MRI; Gleason score; 3; T; MRI; LOCALIZATION;
D O I：
10.1177/0300060514541827
中图分类号：
R-3 [医学研究方法]; R3 [基础医学];
学科分类号：
1001 ;
摘要：
Objective: To compare dynamic contrast-enhanced (DCE) magnetic resonance imaging (MRI) and T-2-weighted imaging (T2WI) at 3.0T for detection of prostate cancer. Methods: Patients with elevated prostate-specific antigen underwent T2WI and DCE-MRI prior to prostate needle biopsy. The sensitivity, specificity, accuracy, positive predictive value (PPV) and negative predictive value (NPV) of T2WI and DCE-MRI to diagnose prostate cancer were evaluated. The relationship between Gleason score and prostate cancer detection by DCE-MRI was evaluated. Results: Prostate adenocarcinoma was histopathologically confirmed in 44/75 patients. DCE-MRI had significantly higher sensitivity, accuracy and NPV than T2WI. The detection rate of prostate cancer by DCE-MRI was significantly better for tumours with Gleason score 7-9 than for those Gleason score 4-6. Conclusion: DCE-MRI at 3.0T can significantly improve prostate cancer detection using simple visual diagnostic criteria, compared with T2WI.
引用
收藏
页码：1077 / 1084
页数：8
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