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Related Concept Videos

Brain Imaging01:14

Brain Imaging

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Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
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Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
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Related Experiment Video

Updated: Jan 6, 2026

Advanced Diffusion Imaging in The Hippocampus of Rats with Mild Traumatic Brain Injury
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Traumatic Brain Injury: Imaging Patterns and Complications.

Andrew D Schweitzer1, Sumit N Niogi1, Christopher T Whitlow1

  • 1From the Department of Radiology, Weill Cornell Medicine/New York-Presbyterian Hospital, 525 E 68th St, Starr 630C, New York, NY 10075 (A.D.S., S.N.N., A.J.T.); and Department of Radiology, Wake Forest School of Medicine, Winston-Salem, N.C. (C.T.W.).

Radiographics : a Review Publication of the Radiological Society of North America, Inc
|October 8, 2019
PubMed
Summary

Computed tomography (CT) is essential for acute traumatic brain injury (TBI) management, while magnetic resonance imaging (MRI) offers greater sensitivity for specific injuries in subacute/chronic phases. Radiologists must choose the optimal neuroimaging modality for TBI patient care.

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Area of Science:

  • Radiology
  • Neurology
  • Emergency Medicine

Background:

  • Neuroimaging is crucial for managing traumatic brain injury (TBI) by identifying intracranial pathologies.
  • Computed tomography (CT) is the primary imaging modality for acute TBI due to its speed and accuracy in detecting surgically relevant injuries.

Purpose of the Study:

  • To delineate the roles of CT and MRI in TBI diagnosis and management.
  • To guide radiologists in selecting optimal imaging modalities based on injury phase and clinical presentation.

Main Methods:

  • Review of current evidence on CT and MRI utility in TBI.
  • Analysis of imaging findings for primary and secondary brain injuries.
  • Discussion of TBI-related herniation risk and imaging patterns.

Main Results:

  • CT is the mainstay for acute TBI triage and follow-up, detecting primary and secondary injuries.
  • MRI excels in identifying axonal injuries and blood products 24-48 hours post-injury but has limitations.
  • MRI is recommended for normal CT with persistent deficits or in subacute/chronic TBI.

Conclusions:

  • Radiologists must understand the strengths and limitations of CT and MRI in TBI.
  • Optimal imaging modality selection is vital for effective TBI patient management.
  • Awareness of injury patterns and herniation risk influences imaging choices.