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Related Concept Videos

Brain Imaging01:14

Brain Imaging

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 Stimulation (TMS).
Alzheimer Disease ll: Pathophysiology01:23

Alzheimer Disease ll: Pathophysiology

Alzheimer disease involves structural changes in the brain that begin long before symptoms appear. The most distinctive features are extracellular neuritic plaques and intracellular neurofibrillary tangles.Neuritic plaques form in the cerebral cortex and around blood vessels. These plaques contain a dense core of beta-amyloid (Aβ)—a toxic protein fragment that clumps outside neurons. The core is surrounded by damaged neuronal extensions, as well as reactive astrocytes and microglia. Abnormal...
Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
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...
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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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Hybrid PET/MRI Imaging of Alzheimer's Disease Based on 18F-AV-1451
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Hybrid PET/MRI Imaging of Alzheimer's Disease Based on 18F-AV-1451

Published on: April 18, 2025

Imaging in neurodegenerative disorders.

Ayse Aralasmak1, Mehmet Kocak

  • 1Department of Radiology, Akdeniz University, Dumlupinar Bulvari, Antalya, Turkey. aysearalasmak@hotmail.com

Seminars in Roentgenology
|February 23, 2010
PubMed
Summary
This summary is machine-generated.

This article reviews neuroimaging for cortical and subcortical neurodegenerative diseases. It excludes spinocerebellar ataxia and vascular-related neurodegenerative conditions.

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Hybrid PET/MRI Imaging of Alzheimer's Disease Based on 18F-AV-1451
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Published on: November 6, 2017

Area of Science:

  • Neurology
  • Radiology
  • Neuroimaging

Background:

  • Neurodegenerative diseases affect the brain's gray and white matter.
  • Accurate diagnosis relies on characteristic imaging findings.

Purpose of the Study:

  • To detail imaging findings in cortical and subcortical neurodegenerative diseases.
  • To differentiate these from other neurological conditions.

Main Methods:

  • Review of neuroimaging techniques.
  • Analysis of characteristic patterns in various neurodegenerative diseases.

Main Results:

  • Specific imaging markers for cortical and subcortical neurodegeneration are presented.
  • Exclusion criteria defined to focus on primary neurodegenerative processes.

Conclusions:

  • Neuroimaging is crucial for diagnosing cortical and subcortical neurodegenerative diseases.
  • Understanding imaging patterns aids in differential diagnosis and patient management.