Related Experiment Video
Updated: Aug 13, 2026
A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment
Published on: January 11, 2020
A clinical perspective of mild cognitive impairment: what radiologists should know
Ranjan Duara1, David Loewenstein, Warren W Barker
1Wien Center for Alzheimer's Disease and Memory Disorders, Mount Sinai Medical Center, Miami Beach, FL, USA.
Abstract:
Mild cognitive impairment (MCI), a major risk factor for dementia, has an amnestic subtype that has a high probability of progressing to Alzheimer's disease. The rate of progression may be predicted by the severity of memory impairment at baseline, the severity of hippocampal atrophy, and, possibly, the presence of an epsilon4 allele of the apolipoprotein E gene. MCI can be diagnosed using purely clinical or a combination of clinical and neuropsychologic criteria. Treatment trials show no disease-modifying effect. The radiologists' role is to determine whether or not the hallmarks of degenerative and vascular disease of the brain are present, aiding in the diagnosis of the cause of MCI.
Insights
Mild cognitive impairment (MCI) can progress to Alzheimer's disease, with progression potentially predicted by memory loss, brain atrophy, and specific genes. Current treatments do not alter the disease course.
Area of Science:
- Neurology
- Radiology
- Genetics
Background:
- Mild cognitive impairment (MCI) is a significant risk factor for dementia.
- The amnestic subtype of MCI has a high likelihood of progressing to Alzheimer's disease.
Purpose of the Study:
- To identify predictors of MCI progression to Alzheimer's disease.
- To outline the diagnostic criteria and role of radiology in MCI.
Main Methods:
- Assessing baseline memory impairment severity.
- Evaluating hippocampal atrophy via imaging.
- Considering apolipoprotein E (APOE) epsilon4 allele presence.
- Utilizing clinical and neuropsychological diagnostic criteria.
Main Results:
- Progression rate may correlate with memory impairment severity and hippocampal atrophy.
- APOE epsilon4 allele may influence disease progression.
- Current treatment trials have not demonstrated disease-modifying effects.
Conclusions:
- Radiologists play a key role in identifying brain pathologies indicative of degenerative and vascular disease, aiding MCI diagnosis.
- Accurate diagnosis of MCI subtypes and progression factors is crucial for patient management.
Related Concept Videos
01:14Imaging Studies I: CT and MRI
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...
01:30Radiological Investigation I: X-ray and CT
01:26Alzheimer's Disease: Overview
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ and tau...
01:21Imaging Studies for Cardiovascular System IV: CMRI
01:13Radiological Investigation III: Pulmonary Angiogram and PET Scan
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
01:20Imaging Studies for Cardiovascular System III: X-Ray
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...