Diffusion-Weighted MRI at 3 T for the Evaluation of Prostate Cancer

被引：91
|
作者：
Kim, Chan Kyo [1 ,2 ]
Park, Byung Kwan [1 ,2 ]
Kim, Bohyun [3 ]
机构：
[1] Sungkyunkwan Univ, Sch Med, Samsung Med Ctr, Dept Radiol, Seoul, South Korea
[2] Sungkyunkwan Univ, Sch Med, Samsung Med Ctr, Ctr Imaging Sci, Seoul, South Korea
[3] Mayo Clin, Coll Med, Dept Radiol, Rochester, MN USA
来源：
AMERICAN JOURNAL OF ROENTGENOLOGY | 2010年 / 194卷 / 06期
关键词：
apparent diffusion coefficient; diffusion-weighted imaging; high-field MRI; prostate cancer; SEMINAL-VESICLE INVASION; BODY SIGNAL SUPPRESSION; BRAIN-TUMOR; COEFFICIENT VALUES; RADIATION-THERAPY; PERIPHERAL ZONES; ANTIGEN LEVEL; 3.0; TESLA; TISSUE; CARCINOMA;
D O I：
10.2214/AJR.09.3654
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
OBJECTIVE. The objective of this article is to review the basic concepts for the biologic basis of diffusion-weighted MRI (DWI), illustrate its potential clinical applications at 3 T, and discuss its current limitations and future directions. CONCLUSION. The increased signal-to-noise ratio of DWI provided by 3 T compared with 1.5 T may improve tumor detection and staging, determination of tumor aggressiveness, and posttreatment follow-up. Additionally, DWI may be a useful tool to monitor therapeutic effects and guide targeted biopsies, particularly in patients with previously negative biopsy results.
引用
收藏
页码：1461 / 1469
页数：9
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