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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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Magnetic Resonance Imaging Assessment of Carcinogen-induced Murine Bladder Tumors

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Published on: March 29, 2019

Magnetic resonance nephrourographic techniques and applications: how we do it.

Bobby Kalb¹, John R Votaw, Puneet Sharma

¹Department of Radiology, Emory University School of Medicine, Atlanta, GA 30322, USA.

Topics in Magnetic Resonance Imaging : TMRI

|December 17, 2009

Summary

Magnetic resonance (MR) nephrourography offers quantitative assessment of kidney function, including glomerular filtration rate and renal blood flow. This safe imaging technique aids in evaluating chronic kidney disease and conditions like urinary tract obstruction and renal transplantation.

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Area of Science:

Nephrology
Radiology
Medical Imaging

Background:

Chronic kidney disease (CKD) poses a significant public health challenge.
Accurate evaluation of kidney structure and function is crucial for managing renal diseases.

Purpose of the Study:

To review existing and present novel Magnetic Resonance (MR) nephrourography methods for quantitative renal assessment.
To highlight the utility of MR nephrourography in evaluating kidney structure and function.

Main Methods:

The review discusses various MR imaging methodologies for renal assessment.
Common steps include image acquisition, postprocessing, and tracer kinetics modeling.
Methods focus on simplicity, speed, and reproducibility for practical application.

Main Results:

MR nephrourography provides quantitative assessment of renal function, specifically glomerular filtration rate and renal blood flow.
The technique combines anatomic and functional information for comprehensive kidney evaluation.

Conclusions:

MR nephrourography is a safe and effective tool for evaluating renal disease.
It shows particular utility in cases of urinary tract obstruction and renal transplantation.