Related Experiment Videos
MRI in intraspinal tuberculosis
1Department of Radiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.
Neuroradiology
|January 1, 1994
Summary
This study details MRI findings in 20 patients with intraspinal tuberculosis (TB). Key features include leptomeningitis, intramedullary lesions like tuberculomas, and extradural disease, aiding diagnosis.
Area of Science:
- Neurology
- Radiology
- Infectious Diseases
Background:
- Intraspinal tuberculosis (TB) is a rare but serious condition.
- Accurate MRI characterization is crucial for diagnosis and management.
- Understanding the spectrum of MRI findings is essential for effective treatment.
Purpose of the Study:
- To characterize the magnetic resonance imaging (MRI) features of intraspinal tuberculosis.
- To differentiate between tuberculous meningitis and myelitis using MRI.
- To correlate MRI findings with pathological manifestations of spinal TB.
Main Methods:
- Retrospective analysis of MRI scans from 20 patients with confirmed intraspinal TB.
- Evaluation of unenhanced and contrast-enhanced (Gd-DTPA) MRI sequences.
- Detailed assessment of leptomeningeal, intramedullary, and extradural involvement patterns.
Main Results:
- MRI revealed various patterns: leptomeningitis with intramedullary involvement (11 patients), isolated intramedullary lesions (5), isolated leptomeningitis (2), and extradural disease (2).
- TB leptomeningitis showed CSF loculation, nerve root thickening/clumping, and subarachnoid space obliteration.
- Intramedullary lesions included tuberculomas (8), cord edema (5), and cavitation (3), often presenting as multiple lesions without significant cord swelling.
Conclusions:
- MRI is highly effective in characterizing the diverse manifestations of intraspinal tuberculosis.
- Specific MRI features can help differentiate tuberculous meningitis from myelitis and guide treatment strategies.
- Contrast-enhanced MRI aids in visualizing leptomeningeal and dural involvement, crucial for diagnosis.