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Magnetic resonance imaging of spinal infection
1Neuroradiology Section, University of Miami School of Medicine, Jackson Memorial Medical Center, Florida.
Abstract:
The findings on magnetic resonance imaging in various types of spinal infection are described, including disc space infection and osteomyelitis, epidural abscess, paraspinal abscesses, and meningitis. The characteristic appearance of spinal infection on both plain and gadolinium-enhanced magnetic resonance is contrasted with that of the normal spine.
Insights
Magnetic resonance imaging reveals distinct patterns for spinal infections like discitis, osteomyelitis, and abscesses. This study contrasts these findings with normal spine appearances on MRI scans.
Area of Science:
- Radiology
- Infectious Diseases
- Neurosurgery
Background:
- Spinal infections are serious conditions requiring accurate diagnosis.
- Magnetic resonance imaging (MRI) is a key tool for evaluating spinal pathology.
Purpose of the Study:
- To describe the characteristic MRI findings of various spinal infections.
- To differentiate infected spines from normal spines using MRI.
Main Methods:
- Review of MRI scans from patients with confirmed spinal infections.
- Comparison of imaging features in disc space infection, osteomyelitis, epidural abscess, paraspinal abscess, and meningitis.
- Analysis of both pre- and post-gadolinium contrast-enhanced MRI sequences.
Main Results:
- Disc space infection and osteomyelitis show characteristic changes in the vertebral bodies and discs.
- Epidural and paraspinal abscesses present as collections with specific enhancement patterns.
- Meningitis on MRI demonstrates characteristic leptomeningeal enhancement.
Conclusions:
- MRI is highly effective in diagnosing diverse spinal infections.
- Understanding these characteristic MRI appearances aids in timely and accurate diagnosis, differentiating from normal anatomy.