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Magnetic resonance imaging of pediatric spinal dysraphism
M A Rindahl1, P M Colletti, C S Zee
1Department of Radiology, University of Southern California School of Medicine, LAC/USC Medical Center 90033.
Insights
Magnetic resonance imaging (MRI) effectively visualizes spinal dysraphism in children. This study shows MRI accurately identifies various spinal cord anomalies, aiding in diagnosis and screening.
Area of Science:
- Pediatric Radiology
- Neuroimaging
- Spinal Cord Anatomy
Background:
- Spinal dysraphism encompasses a range of congenital anomalies affecting the spinal cord and vertebrae.
- Accurate diagnosis is crucial for appropriate management and to prevent further complications.
Purpose of the Study:
- To evaluate the diagnostic utility of magnetic resonance imaging (MRI) in pediatric patients with spinal dysraphism.
- To identify the spectrum of spinal dysraphic anomalies detectable by MRI.
Main Methods:
- Retrospective review of MRI scans from 30 pediatric patients diagnosed with spinal dysraphism.
- Utilized T1-weighted sagittal and axial planes, with T2-weighted sequences for specific indications.
Main Results:
- MRI successfully visualized spinal cord and dysraphic anatomy in 29 out of 30 cases.
- Commonly identified anomalies included syringohydromyelia, tethered cord, and various forms of meningomyelocele.
- T1-weighted imaging provided comprehensive visualization, while T2-weighted imaging aided in detecting inflammation.
Conclusions:
- MRI is a highly effective imaging modality for diagnosing spinal dysraphism in pediatric patients.
- MRI facilitates the comprehensive screening of children for occult spinal dysraphic conditions.
Abstract:
Thirty pediatric patients with spinal dysraphism were studied with magnetic resonance imaging. A variety of dysraphic anomalies were visualized, including syringohydromyelia, tethered cord, widened spinal canal, meningomyelocele, lipomyelomeningocele, lipomeningocele, intraspinal lipoma, congenital dermal sinus tract, and scoliosis. In 29 of 30 cases, MRI diagnostically visualized spinal cord and dysraphic anatomy. A combination of T1-weighted sagittal and axial imaging planes provided the most complete visualization. In specific cases, T2-weighted examinations were useful in demonstrating likely regions of inflammation bordering infected sinus tracts. MRI demonstrates a wide variety of dysraphic spinal anomalies and effectively screens children for occult spinal dysraphism.