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Brain Imaging

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...

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Updated: Apr 26, 2026

$MRI-guided Focused Ultrasound Thalamotomy for Patients with Medically-refractory Essential Tremor$

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Thalamic lesions: a radiological review.

Dimitri Renard¹, Giovanni Castelnovo¹, Chantal Campello¹

¹Service de Neurologie, CHU Nîmes, Hôpital Caremeau, Place du Pr Debré, 30029 Nîmes Cedex 4, France.

Behavioural Neurology

|August 8, 2014

Summary

Magnetic resonance imaging (MRI) reveals thalamic lesions across various conditions. Precise lesion localization and MRI signal characteristics aid in diagnosing the underlying cause of thalamic abnormalities.

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Area of Science:

Neurology
Radiology
Pathology

Background:

Thalamic lesions manifest in diverse conditions such as vascular, metabolic, inflammatory, traumatic, neoplastic, and infectious diseases.
Thalamic involvement can be a hallmark of certain diseases or an incidental finding alongside extrathalamic lesions.

Purpose of the Study:

To elucidate the characteristic MRI findings associated with thalamic lesions.
To provide a framework for diagnosing the etiology of thalamic lesions based on imaging features.

Main Methods:

Review of MRI characteristics of thalamic lesions.
Correlation of imaging findings with clinical presentation and patient history.

Main Results:

Specific MRI signal changes and lesion localizations within the thalamus are indicative of different pathologies.
The temporal evolution of radiological abnormalities offers diagnostic clues.

Conclusions:

Accurate diagnosis of thalamic lesions relies on integrating detailed MRI analysis, including lesion location and signal characteristics, with clinical information.
A comprehensive approach combining imaging, clinical data, and potentially other examinations is crucial for identifying the origin of thalamic lesions.