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Magnetic Resonance Imaging

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...

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Advanced Diffusion Imaging in The Hippocampus of Rats with Mild Traumatic Brain Injury

Advanced Diffusion Imaging in The Hippocampus of Rats with Mild Traumatic Brain Injury

Published on: August 14, 2019

Diffusion MR Imaging in Mild Traumatic Brain Injury.

Maria J Borja¹, Sohae Chung², Yvonne W Lui¹

¹Department of Radiology, New York University School of Medicine, 660 1st Avenue, New York, NY 10016, USA.

Neuroimaging Clinics of North America

|November 22, 2017

Summary

Diffusion Magnetic Resonance Imaging (dMRI) reveals subtle brain injuries in mild traumatic brain injury (mTBI) patients invisible to radiologists. Further research will clarify the injury

Keywords:

Advanced imaging DWI Diffusion Kurtosis MR imaging Mild traumatic brain injury

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Diffusion Imaging in the Rat Cervical Spinal Cord

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Published on: April 7, 2015

Area of Science:

Neuroimaging
Radiology
Neurology

Background:

Mild traumatic brain injury (mTBI) diagnosis remains challenging due to subtle or invisible neuropathology on conventional imaging.
Diffusion MR imaging (dMRI) techniques have emerged as sensitive tools for detecting microstructural alterations in the brain.
The last decade has seen significant advancements in applying dMRI to the study of mTBI.

Purpose of the Study:

To summarize the advancements in diffusion MR imaging for mild traumatic brain injury (mTBI) assessment.
To highlight the capability of dMRI in detecting microstructural injuries in mTBI patients.
To identify future research directions in dMRI for mTBI.

Main Methods:

Utilized various diffusion imaging techniques to analyze brain microstructural differences.
Compared diffusion metrics between mild traumatic brain injury (mTBI) patients and healthy control groups.
Reviewed existing literature on diffusion imaging applications in mTBI.

Main Results:

Diffusion imaging demonstrated significant differences in multiple metrics between mTBI patients and healthy controls.
These findings support the presence of microstructural injuries in mTBI not detectable by standard radiological methods.
Various dMRI techniques have shown promise in characterizing mTBI-related changes.

Conclusions:

Diffusion MR imaging is a powerful tool for detecting subtle neuropathology in mild traumatic brain injury (mTBI).
Future research should focus on larger longitudinal studies to understand injury evolution and the biophysical basis of dMRI findings in mTBI.
dMRI holds potential for improved diagnosis and management of mTBI.