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Related Concept Videos

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...
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...
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...
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,...
Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...

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Volumetric and functional outcomes at 1-year between percutaneous-ablation and partial-nephrectomy for T1b renal tumors.

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End-to-side versus end-to-end uretero-ureteral anastomosis in preemptive kidney transplantation from living donors: A monocentric experience.

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Circulating Biomarkers in Patients With Locally Advanced or Metastatic Renal Cell Carcinoma Treated With Everolimus in the Pre-nephrectomy Setting.

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The Tomato/GFP-FLP/FRT Method for Live Imaging of Mosaic Adult Drosophila Photoreceptor Cells
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Current practice and access to prostate MR imaging in France.

R Renard-Penna1, O Rouvière2, P Puech3

  • 1Department of radiology, hôpital Tenon, Pitié-Salpétrière hospital, AP-HP, GRC n(o) 5, ONCOTYPE-URO, institut universitaire de cancérologie, UPMC université Paris 06, 83, boulevard de l'Hôpital, 75013 Paris, France.

Diagnostic and Interventional Imaging
|July 25, 2016
PubMed
Summary

French urologists widely use prostate magnetic resonance imaging (MRI) in cancer management, with practices often exceeding current recommendations, especially for initial biopsies and active surveillance. This highlights advanced adoption of MRI in clinical settings.

Keywords:
Magnetic resonance imagingProstate cancerRecommendations

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Area of Science:

  • Urology
  • Radiology
  • Oncology

Background:

  • Prostate magnetic resonance imaging (MRI) is increasingly vital in prostate cancer diagnosis and management.
  • Clinical practice guidelines provide a framework for optimal MRI utilization.
  • Assessing the alignment between clinical practice and recommendations is crucial for quality improvement.

Purpose of the Study:

  • To evaluate the extent of discrepancy between current French clinical practices for prostate MRI and established recommendations.
  • To understand the impact of prostate MRI on patient management decisions by French urologists.

Main Methods:

  • A survey was distributed to 1229 members of the French Society of Urology.
  • The survey collected data on urologists' practice modalities, indications for prostate MRI (e.g., pre-biopsy, staging, active surveillance, recurrence), and report quality.
  • Response rate was 36% (445 urologists).

Main Results:

  • 54% of practices experienced 15-30 day delays for prostate MRI appointments.
  • Only 54% of MRI reports included a PI-RADS score, and 23% a Likert score.
  • Key indications included pre-repeat biopsy tumor detection (90%), cancer staging (85%), active surveillance (85%), and focal therapy selection (63%).
  • Image fusion was available to 28.6% (MRI-US), with 85.4% using cognitive fusion.
  • Urologists predominantly performed targeted biopsies (80%) independently.

Conclusions:

  • Most urologists deem prostate MRI essential for prostate cancer patient management.
  • Clinical practices, particularly for initial biopsies and active surveillance, appear to be advancing beyond current recommendations.
  • There is a notable adoption of advanced MRI applications in French urology practices.