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Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases
Published on: July 28, 2013
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Brain MRI abnormalities associated with amyotrophic lateral sclerosis: A case illustration
Safaa Choayb1, Yahya El Harras1, Meriem Fikri1
1Neuroradiology Department, Ibn Sina University Hospital Center, Rabat, Morocco.
Radiology Case Reports
|September 8, 2023
Summary
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease. MRI can detect upper motor neuron issues in ALS, showing specific signs like the motor band and bright tongue signs.
Area of Science:
- Neurology
- Neuroimaging
- Neurodegenerative Diseases
Background:
- Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disorder affecting motor neurons.
- It impacts both upper and lower motor neurons, leading to progressive degeneration.
- Diagnosis often relies on clinical assessment and electromyography for lower motor neurons.
Observation:
- This case study focuses on a 64-year-old female patient diagnosed with ALS.
- The patient presented with characteristic clinical manifestations of the disease.
- Specific neuroimaging findings were observed on Magnetic Resonance Imaging (MRI).
Findings:
- MRI is a valuable tool for detecting upper motor neuron dysfunction in ALS.
- The study highlights two specific MRI signs: the "motor band sign" and the "bright tongue sign".
- These signs may offer more accurate detection of upper motor neuron involvement compared to traditional methods.
Implications:
- Enhanced MRI interpretation can improve the diagnostic accuracy of ALS.
- Identifying specific MRI biomarkers like the motor band and bright tongue signs aids in early detection and management.
- Further research into MRI's role in neurodegenerative diseases is warranted.

