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Related Concept Videos

Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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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,...
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Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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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...
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Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

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DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
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Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

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Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
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Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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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...
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Kidney Structure01:45

Kidney Structure

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The kidneys are two large bean-shaped organs located in the upper abdomen. They filter the blood several times a day to remove toxins and rebalance water and electrolytes of the circulatory system via the renal veins. The kidneys receive blood directly from the heart via the renal arteries. These arteries enter the kidney at the hilum, the concave surface of the bean, where they branch and divide into smaller vessels and capillaries.
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Updated: Mar 15, 2026

Use of Ultra-high Field MRI in Small Rodent Models of Polycystic Kidney Disease for In Vivo Phenotyping and Drug Monitoring
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Imaging the kidney using magnetic resonance techniques: structure to function.

Huda Mahmoud1, Charlotte Buchanan, Susan T Francis

  • 1aCentre for Kidney Research and Innovation, Division of Medical Sciences and Graduate Entry Medicine, University of Nottingham, Nottingham bDepartment of Renal Medicine, Royal Derby Hospital, Derby cSir Peter Mansfield Imaging Centre, University of Nottingham, Nottingham, UK.

Current Opinion in Nephrology and Hypertension
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PubMed
Summary
This summary is machine-generated.

Functional renal MRI techniques offer noninvasive assessment of kidney structure and function. Recent advancements show promise for diagnosing kidney disease, with diffusion-weighted imaging and T1 mapping being key areas of development.

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Area of Science:

  • Medical imaging
  • Nephrology
  • Radiology

Background:

  • Magnetic Resonance Imaging (MRI) enables noninvasive evaluation of kidney structure and function.
  • Recent progress in MRI techniques provides new tools for assessing renal pathophysiology.
  • Functional renal MRI is emerging as a valuable diagnostic modality.

Purpose of the Study:

  • To review recent advancements in functional renal MRI techniques.
  • To highlight the clinical applications of these novel MRI methods.
  • To summarize the current state of functional renal MRI in kidney disease assessment.

Main Methods:

  • Diffusion-weighted imaging (DWI) for assessing renal fibrosis.
  • Longitudinal relaxation time (T1) mapping for detecting fibrosis and edema.
  • Blood oxygen-level-dependent (BOLD) MRI for renal oxygenation.
  • Phase contrast (PC) and arterial spin labeling (ASL) for measuring renal blood flow and perfusion.

Main Results:

  • DWI shows potential for quantifying renal fibrosis in chronic kidney disease and transplantation.
  • T1 mapping demonstrates promise for evaluating renal fibrosis and edema.
  • BOLD MRI findings for renal oxygenation are complex and require further validation.
  • PC and ASL offer non-contrast methods for assessing renal hemodynamics.
  • Current clinical data primarily comes from cross-sectional studies.

Conclusions:

  • Functional renal MRI techniques have advanced significantly.
  • These techniques show considerable potential for clinical application in nephrology.
  • Further clinical evaluation is necessary to establish the widespread utility of functional renal MRI.