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==Overview==
==Overview==
MRI-guided prostate biopsy is also being used, particularly in those cases where TRUS biopsy is negative but clinical and PSA suspicion remains high. Following radical prostatectomy, patients with elevated PSA should also be examined using MRI. MRI may be helpful in the diagnosis of prostate cancer. On MRI scan, T1 image is useful for detection of prostate contour, neurovascular bundle encasement, and post-biopsy hemorrhage. T2-weighted images prostate cancer usually appears as a region of low signal within a normally high signal peripheral zone
MRI may be helpful in the diagnosis of prostate cancer. MRI-guided prostate biopsy is also being used, particularly in those cases where TRUS biopsy is negative but clinical and [[PSA]] suspicion remains high. Following radical prostatectomy, patients with elevated [[PSA]] should also be examined using [[MRI]]. On [[MRI scan]], T1 image is useful for detection of prostate contour, neurovascular bundle encasement, and post-biopsy hemorrhage. T2-weighted images prostate cancer usually appears as a region of low signal within a normally high signal peripheral zone


==MRI==
==MRI==
Pelvic MRI may be helpful in the diagnosis of prostate cancer. Findings on MRI suggestive of prostate cancer include:<ref name=radio> Prostatic carcinoma.Dr Ian Bickle and Dr Saqba Farooq et al.  Radiopaedia.org 2015.http://radiopaedia.org/articles/prostatic-carcinoma-1</ref> Findings on MRI scan suggestive of prostate cancer listed below:
Pelvic [[MRI]] may be helpful in the diagnosis of prostate cancer. Findings on [[MRI]] suggestive of prostate cancer include:<ref name="radio"> Prostatic carcinoma.Dr Ian Bickle and Dr Saqba Farooq et al.  Radiopaedia.org 2015.http://radiopaedia.org/articles/prostatic-carcinoma-1</ref>  
* '''T1'''
:* Useful for detection of prostate contour, neurovascular bundle encasement, and post-biopsy hemorrhage
* '''T2'''
:* Using a endorectal coil, on T2-weighted images prostate cancer usually appears as a region of low signal within a normally high signal peripheral zone
:* Most significant [[cancers]] occur along the posterior portion of the [[gland]] abutting the [[rectum]]


* '''DWI'''
*'''T1'''
:* Often shows restricted diffusion


* '''Dynamic contrast enhancement (DCE)'''
:*Useful for detection of prostate contour, neurovascular bundle encasement, and post-biopsy hemorrhage
:* Shows enhancement - but it can be difficult to distinguish from [[prostatitis]] or [[benign prostatic hyperplasia]] (especially in the central zone lesions)
 
:* More specific than T2 signal
*'''T2'''
 
:*Using a endorectal coil, on T2-weighted images prostate cancer usually appears as a region of low signal within a normally high signal peripheral zone
:*Most significant [[cancers]] occur along the posterior portion of the [[gland]] abutting the [[rectum]]
 
*'''DWI'''
 
:*Often shows restricted diffusion
 
*'''Dynamic contrast enhancement (DCE)'''
 
:*Shows enhancement - but it can be difficult to distinguish from [[prostatitis]] or [[benign prostatic hyperplasia]] (especially in the central zone lesions)
:*More specific than T2 signal


[[File:Prostate-cancer-mri-and-mr-spectroscopy-1.jpg|300px|thumb|left|MRI scan showing prostate cancer [https://radiopaedia.org/cases/prostate-cancer-mri-and-mr-spectroscopy-1?lang=us source:Case courtesy of Dr Paresh K Desai , Radiopaedia.org, rID: 6650]]]
[[File:Prostate-cancer-mri-and-mr-spectroscopy-1.jpg|300px|thumb|left|MRI scan showing prostate cancer [https://radiopaedia.org/cases/prostate-cancer-mri-and-mr-spectroscopy-1?lang=us source:Case courtesy of Dr Paresh K Desai , Radiopaedia.org, rID: 6650]]]

Revision as of 14:59, 13 January 2021

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Syed Musadiq Ali M.B.B.S.[2]

Overview

MRI may be helpful in the diagnosis of prostate cancer. MRI-guided prostate biopsy is also being used, particularly in those cases where TRUS biopsy is negative but clinical and PSA suspicion remains high. Following radical prostatectomy, patients with elevated PSA should also be examined using MRI. On MRI scan, T1 image is useful for detection of prostate contour, neurovascular bundle encasement, and post-biopsy hemorrhage. T2-weighted images prostate cancer usually appears as a region of low signal within a normally high signal peripheral zone

MRI

Pelvic MRI may be helpful in the diagnosis of prostate cancer. Findings on MRI suggestive of prostate cancer include:[1]

  • T1
  • Useful for detection of prostate contour, neurovascular bundle encasement, and post-biopsy hemorrhage
  • T2
  • Using a endorectal coil, on T2-weighted images prostate cancer usually appears as a region of low signal within a normally high signal peripheral zone
  • Most significant cancers occur along the posterior portion of the gland abutting the rectum
  • DWI
  • Often shows restricted diffusion
  • Dynamic contrast enhancement (DCE)
MRI scan showing prostate cancer source:Case courtesy of Dr Paresh K Desai , Radiopaedia.org, rID: 6650
MRI scan showing prostate cancer source:Case courtesy of Dr Chris O'Donnell, Radiopaedia.org, rID: 19238


References

  1. Prostatic carcinoma.Dr Ian Bickle and Dr Saqba Farooq et al. Radiopaedia.org 2015.http://radiopaedia.org/articles/prostatic-carcinoma-1

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