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Radiology. 2012 Jan;262(1):26-42. doi: 10.1148/radiol.11101996.

MR imaging of treated prostate cancer.

Author information

1
Department of Radiology, Memorial Sloan-Kettering Cancer Center, 1275 York Ave, Radiology Academic Offices, New York, NY 10065, USA. vargasah@mskcc.org

Abstract

Many management options are available to patients with newly diagnosed prostate cancer. Magnetic resonance (MR) imaging plays an important role in initial staging of prostate cancer, but it also aids in tumor detection when there is clinical or biochemical suspicion of residual or recurrent disease after treatment. The purpose of this review is to describe the normal appearances of the prostatic region after different kinds of treatment for prostate cancer and to discuss how these appearances differ from those of recurrent and residual disease. Several MR imaging techniques used in evaluating patients with prostate cancer are described, including conventional MR imaging sequences (mainly T1- and T2-weighted sequences), MR spectroscopic imaging, diffusion-weighted imaging, and dynamic contrast agent-enhanced MR imaging. Clinical considerations, together with the different approaches for interpreting serum prostate-specific antigen values in the posttreatment setting, are also presented. All forms of treatment alter the MR imaging features of the prostatic region to a greater or lesser extent, and it is important to be able to recognize expected posttreatment appearances and distinguish them from the features of recurrent or residual cancer to aid subsequent clinical management.

PMID:
22190655
DOI:
10.1148/radiol.11101996
[Indexed for MEDLINE]

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