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Neurosarcoidosis: gadolinium-enhanced MR imaging
D W Williams1, A D Elster, S I Kramer
1Department of Radiology, Bowman Gray School of Medicine, Wake Forest University, Winston-Salem, NC 27104.
Journal of Computer Assisted Tomography
|September 1, 1990
Summary
Two neurosarcoidosis cases revealed white matter abnormalities near meningeal enhancement. Gadolinium-enhanced MRI suggests spread along Virchow-Robin spaces via blood vessels.
Area of Science:
- Neurology
- Radiology
- Immunology
Background:
- Neurosarcoidosis is a rare granulomatous inflammatory disease affecting the central nervous system.
- Magnetic resonance imaging (MRI) is crucial for diagnosing and monitoring neurosarcoidosis.
Observation:
- Two patients with neurosarcoidosis underwent Gd-diethylenetriamine pentaacetic acid (Gd-DTPA)-enhanced MRI.
- Both patients presented with multifocal white matter abnormalities.
Findings:
- White matter lesions were clustered near areas of intense meningeal enhancement.
- Contrast enhancement along perivascular spaces (Virchow-Robin spaces) suggested disease spread along these pathways.
Implications:
- This imaging pattern supports the hypothesis of neurosarcoidosis dissemination along perivascular spaces.
- Enhanced MRI provides valuable insights into the pathophysiology and distribution of neurosarcoidosis.