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Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

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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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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

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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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Updated: Apr 28, 2026

Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging
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MR diffusion tensor imaging of normal kidneys.

Wen-juan Wang1, Margaret H Pui, Yan Guo

  • 1Department of Radiology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China; Department of Radiology, Weifang People's Hospital, Weifang, Shandong, China.

Journal of Magnetic Resonance Imaging : JMRI
|June 14, 2014
PubMed
Summary
This summary is machine-generated.

Diffusion tensor imaging (DTI) of normal kidneys is feasible. Apparent diffusion coefficient (ADC) and fractional anisotropy (FA) values are reproducible and not affected by hydration status.

Keywords:
diffusion tensor imagingdiffusion-weighted imagingkidneymagnetic resonance

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Area of Science:

  • Radiology
  • Medical Imaging
  • Nephrology

Background:

  • Diffusion Tensor Imaging (DTI) provides insights into tissue microstructure.
  • Renal DTI parameters like Apparent Diffusion Coefficient (ADC) and Fractional Anisotropy (FA) may reflect kidney health.
  • Understanding the influence of hydration on renal DTI is crucial for accurate interpretation.

Purpose of the Study:

  • To evaluate the feasibility of performing DTI on normal kidneys.
  • To investigate the impact of varying hydration states on renal DTI metrics.

Main Methods:

  • Ten healthy volunteers underwent renal DTI using a 3T MRI scanner.
  • DTI data were acquired under four hydration conditions: 12-hour fast, 4-hour fast, non-fasting, and post-water diuresis.
  • Apparent Diffusion Coefficient (ADC) and Fractional Anisotropy (FA) values were measured in the renal cortex and medulla.

Main Results:

  • Significantly higher ADC and lower FA values were observed in the renal cortex compared to the medulla.
  • No significant differences in ADC or FA values were found between the left and right kidneys.
  • Renal ADC and FA values remained consistent across all tested hydration states, with P > 0.05.

Conclusions:

  • Renal DTI is a feasible imaging technique for assessing normal kidney microstructure.
  • The measured ADC and FA values in healthy kidneys are reproducible and not significantly influenced by hydration status.