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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.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic...
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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:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
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Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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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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Related Experiment Video

Updated: May 8, 2025

Advanced Diffusion Imaging in The Hippocampus of Rats with Mild Traumatic Brain Injury
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No brain MRI abnormalities after mild-to-moderate COVID-19: an observational study.

Lukas Haider1,2, Paulus Rommer3, Iscel Ahmet4

  • 1Section of Neuroradiology and Musculoskeletal Radiology, Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna, Austria.

Neuroradiology
|May 2, 2025
PubMed
Summary
This summary is machine-generated.

This study found no significant brain changes in individuals recovering from mild-to-moderate COVID-19. MRI scans revealed no differences in white matter lesions or perivascular spaces compared to controls.

Keywords:
BrainCOVID-19Perivascular spacesSARS-CoV-2

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Area of Science:

  • Neurology
  • Infectious Diseases
  • Radiology

Background:

  • The long-term neurological effects of COVID-19 remain a significant concern.
  • Understanding potential morphological brain changes post-mild-to-moderate infection is crucial for patient management and recovery.

Purpose of the Study:

  • To investigate and assess morphological brain alterations in individuals who have recovered from mild-to-moderate COVID-19.
  • To compare brain MRI findings in recovered COVID-19 patients with age-matched healthy controls.

Main Methods:

  • A prospective cohort study involving 112 individuals who recovered from mild-to-moderate COVID-19.
  • Brain MRI scans were analyzed for various neuroradiological findings, including lesions, signal alterations, microbleeds, and vascular abnormalities.
  • Manual quantification of white matter lesions and perivascular spaces, alongside automated brain volumetric analysis, was performed.

Main Results:

  • No significant differences were observed in the frequency of white matter hyperintensities between COVID-19 survivors and controls (p=0.590).
  • The number of enlarged perivascular spaces was also comparable between the groups (p=0.902).
  • No evidence of perfusion/diffusion abnormalities, hemorrhages, or cortical abnormalities was found in recovered individuals.

Conclusions:

  • The study found no current evidence of COVID-19-related morphological brain changes in individuals with a history of mild-to-moderate infection.
  • These findings suggest that mild-to-moderate COVID-19 may not lead to detectable structural brain alterations detectable by MRI.