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Related Concept Videos

Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
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Magnetic Resonance Imaging01:24

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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...
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...

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Diffusion Imaging in the Rat Cervical Spinal Cord
10:46

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Published on: April 7, 2015

Diffusion-weighted imaging in neonates.

Katyucia Rodrigues1, P Ellen Grant

  • 1Multi-Imagem/CDPI Clinics, R. Alm. Saddock de Sá, 266-Ipanema, Rio de Janeiro 22411-040, Brazil. katy.macedo@gmail.com

Neuroimaging Clinics of North America
|April 12, 2011
PubMed
Summary
This summary is machine-generated.

Diffusion-weighted imaging (DWI) is crucial in pediatric neuroradiology for evaluating neonates with encephalopathy or seizures. This technique enhances magnetic resonance imaging, aiding diagnosis, understanding disease, and guiding treatment.

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Area of Science:

  • Pediatric Neuroradiology
  • Medical Imaging

Background:

  • Diffusion-weighted imaging (DWI) is increasingly vital in pediatric neuroradiology.
  • It aids in evaluating neonates with encephalopathy and seizures.
  • DWI enhances conventional magnetic resonance (MR) imaging with improved conspicuity, specificity, and prognostic value.

Purpose of the Study:

  • To highlight the role of DWI in pediatric neuroradiology.
  • To demonstrate how DWI aids in understanding the pathophysiology and natural history of neurological disorders in neonates.
  • To emphasize the diagnostic and prognostic contributions of DWI when combined with other advanced MR techniques.

Main Methods:

  • Interpretation of diffusion-weighted imaging (DWI) data.
  • Concurrent analysis with conventional magnetic resonance (MR) imaging.
  • Integration with advanced MR imaging techniques like spectroscopy and arterial spin labeling.

Main Results:

  • DWI provides enhanced conspicuity, specificity, and prognostic information in pediatric neuroimaging.
  • It facilitates a deeper understanding of the pathophysiology and time course of both ischemic and nonischemic neurological conditions.
  • Combined interpretation with other MR techniques leads to more accurate diagnoses.

Conclusions:

  • Diffusion-weighted imaging is an indispensable tool in pediatric neuroradiology.
  • Its application improves diagnostic accuracy, provides prognostic insights, and guides therapeutic strategies for neonatal neurological disorders.
  • Concurrent use with advanced MR techniques maximizes diagnostic and prognostic yield.