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Related Concept Videos

X-ray Imaging01:24

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with X-rays, and by 1900, X-ray was widely...
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...
Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and the...
Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

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: Jul 6, 2026

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases
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RadioGraphics Update: White Matter Diseases with Radiologic-Pathologic Correlation.

Nicolae Sarbu1, Robert Y Shih1, Laura Oleaga1

  • 1From the Faculty of Medicine and Pharmacy, Dunărea de Jos University, Galaţi, Romania, and Department of Radiology, County Emergency Hospital, Str. Brailei nr. 177, Galaţi 800578, Romania (N.S.); Department of Radiology, Uniformed Services University of the Health Sciences, Bethesda, Md (R.Y.S.); Department of Radiology, Hospital Clinic of Barcelona, University of Barcelona, Barcelona, Spain (L.O.); Department of Radiology, George Washington University, Washington, DC (J.G.S.); and MedPix, National Library of Medicine, Bethesda, Md (J.G.S.).

Radiographics : a Review Publication of the Radiological Society of North America, Inc
|May 5, 2020
PubMed
Summary
This summary is machine-generated.

This RadioGraphics Update provides current knowledge to supplement previously published articles. It highlights new technologic advances, imaging protocols, clinical guidelines, and classification schemes.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Scientific Publishing

Background:

  • RadioGraphics publishes full-length articles on medical imaging.
  • The Update section supplements existing content with new information.
  • This ensures readers have access to the latest developments.

Purpose of the Study:

  • To provide concise updates to previously published RadioGraphics articles.
  • To highlight advancements in imaging technology and protocols.
  • To disseminate revised clinical guidelines and updated classification schemes.

Main Methods:

  • Authors of original articles provide synopses of new information.
  • Updates focus on technologic advances and revised imaging protocols.
  • New clinical guidelines and classification schemes are emphasized.

Main Results:

  • Online-only articles supplement full-length publications.
  • Updates are linked to their original corresponding articles.
  • This ensures easy access to comprehensive information.

Conclusions:

  • The RadioGraphics Update section ensures timely dissemination of critical new information.
  • It enhances the value of previously published content.
  • Readers benefit from the most current knowledge in medical imaging.