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Magnetic resonance imaging of acute symptomatic Schmorl's node formation
G Walters1, J M Coumas, C M Akins
1Department of Radiology, University of Massachusetts Medical Center, Worcester 01655.
Pediatric Emergency Care
|October 1, 1991
Summary
Schmorl's nodes are vertebral defects that can be caused by various conditions. Acute, traumatic Schmorl's nodes in young individuals are best diagnosed with magnetic resonance imaging (MRI).
Area of Science:
- Spinal Imaging
- Radiology
- Orthopedics
Background:
- Schmorl's nodes, defined as intraspongious herniation of intervertebral disk material into the vertebral body endplate, were first described by Schmorl in 1927.
- Weakening of the cartilaginous endplate or subchondral bone, due to conditions like Scheuermann's disease, infection, metabolic or neoplastic disorders, or degenerative disease, predisposes individuals to their development.
Observation:
- In younger individuals, acute trauma can precipitate a symptomatic endplate herniation by the nucleus pulposus, leading to traumatic Schmorl's nodes.
- Magnetic resonance imaging (MRI) is the most sensitive method for detecting intervertebral disk disease and has significantly aided in diagnosing traumatic Schmorl's nodes.
Findings:
- This study highlights the utility of MRI in diagnosing an acute, traumatic, and symptomatic Schmorl's node.
- MRI proved effective even when conventional methods like plain film radiographs and nuclear medicine bone scans yielded unremarkable results.
Implications:
- The findings underscore the importance of MRI in the early and accurate diagnosis of traumatic Schmorl's nodes, particularly in young patients presenting with acute symptoms.
- Advanced imaging techniques like MRI are crucial for identifying subtle spinal pathologies that may be missed by standard radiographic evaluations.