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Advances in Urology
Volume 2009, Article ID 818065, 12 pages
http://dx.doi.org/10.1155/2009/818065
Review Article

Modalities for Imaging of Prostate Cancer

Division of Urology, University of Colorado Health Sciences Center, UCDSOM, MS C-319, Academic Office One Bldg., 12631 East 17th Ave., Room L15-5602, Aurora, CO 80045, USA

Received 10 June 2009; Revised 8 September 2009; Accepted 31 December 2009

Academic Editor: Maxwell V. Meng

Copyright © 2009 A. H. Hou et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Prostate cancer is the second most common cause of cancer deaths among males in the United States. Prostate screening by digital rectal examination and prostate-specific antigen has shifted the diagnosis of prostate cancer to lower grade, organ confined disease, adding to overdetection and overtreatment of prostate cancer. The new challenge is in differentiating clinically relevant tumors from ones that may otherwise never have become evident if not for screening. The rapid evolution of imaging modalities and the synthesis of anatomic, functional, and molecular data allow for improved detection and characterization of prostate cancer. However, the appropriate use of imaging is difficult to define, as many controversial studies regarding each of the modalities and their utilities can be found in the literature. Clinical practice patterns have been slow to adopt many of these advances as a result. This review discusses the more established imaging techniques, including Ultrasonography, Magnetic Resonance Imaging, MR Spectroscopy, Computed Tomography, and Positron Emission Tomography. We also review several promising techniques on the horizon, including Dynamic Contrast-Enhanced MRI, Diffuse-Weighted Imaging, Superparamagnetic Nanoparticles, and Radionuclide Scintigraphy.