Related Experiment Video

Updated: Oct 23, 2025

Povidone Iodine Rectal Preparation at Time of Prostate Needle Biopsy is a Simple and Reproducible Means to Reduce Risk of Procedural Infection
05:32

Povidone Iodine Rectal Preparation at Time of Prostate Needle Biopsy is a Simple and Reproducible Means to Reduce Risk of Procedural Infection

Published on: September 21, 2015

32.8K

Comparison of 5 Rectal Preparation Strategies for Prostate MRI and Impact on Image Quality

Paul Sathiadoss1, Mohammad Haroon1, Heba Osman1

  • 1Department of Medical Imaging, The Ottawa Hospital, 6363University of Ottawa, Ottawa, Ontario, Canada.

Canadian Association of Radiologists Journal = Journal L'Association Canadienne Des Radiologistes
|August 18, 2021
PubMed
Abstract

Insights

For prostate MRI, an enema combined with a clear-fluids diet (CFD) significantly improves T2-weighted and diffusion-weighted imaging quality. This preparation strategy minimizes rectal diameter and gas, leading to clearer diagnostic images.

Area of Science:

  • Radiology
  • Medical Imaging
  • Gastroenterology

Context:

  • Prostate MRI requires optimal rectal preparation for accurate imaging.
  • Previous methods lack standardized efficacy.
  • Evaluating novel preparation techniques is crucial for diagnostic yield.

Purpose:

  • To compare five distinct rectal preparation regimens for prostate MRI.
  • To assess the impact of enema, clear-fluids diet (CFD), and antispasmodics on image quality.
  • To determine the optimal strategy for minimizing artifacts and maximizing diagnostic information.

Summary:

  • A quality-assurance study involving 280 patients evaluated no preparation, CFD, enema, enema + CFD, and enema + CFD + IV-antispasmodic.
  • Enema + CFD significantly reduced rectal diameter and gas compared to other groups.
  • Enema + CFD yielded the highest T2-weighted and DWI image quality with the least artifact.

Impact:

  • The enema + CFD regimen is recommended for superior prostate MRI quality.
  • This preparation strategy enhances diagnostic accuracy by reducing motion and artifacts.
  • Findings provide evidence-based guidelines for optimizing prostate MRI protocols.
Keywords:
antispasmodicdietenemamagnetic resonance imagingperistalsisprostatic neoplasms

More Related Videos

A Cognitive Fusion-guided Prostate Biopsy Using Multiparametric Magnetic Resonance Imaging and Transrectal Ultrasound06:08

A Cognitive Fusion-guided Prostate Biopsy Using Multiparametric Magnetic Resonance Imaging and Transrectal Ultrasound

Published on: March 21, 2025

498
Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse07:41

Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse

Published on: April 17, 2019

10.1K

Related Concept Videos

Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
88
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
538
Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
8.1K
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
92
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
187
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
89