Feature | Reversible posterior leukoencephalopathy syndrome | Reversible cerebral vasoconstriction syndrome |
Clinical | ||
Encephalopathy | 50-80% | 10-15% |
Seizures | 60-75% | 0-20% |
Status epilepticus | 5-15% | Rare |
Headache | 50% | 90-95% |
Visual deficits | 33% | 30-40% |
Focal neurologic deficit | 10-15% | 9-63% |
Imaging | ||
Vasogenic cerebral edema | 100% | 15-40% |
Ischemic stroke | 15-30% | 33% |
Lobar hemorrhage | 10-25% | 15% |
Sulcal subarachnoid blood | 3-8% | 40% |
Segmental vasoconstriction | 30-70% | 100% |
Coexisting vascular lesion (eg, dissection, aneurysm) | Uncommon | 20% |
Contrast enhancement | 20% | Uncommon |
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