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Reversible cerebral vasoconstriction syndrome is a clinical and radiologic syndrome that represents a common presentation of a diverse group of disorders. The syndrome is characterized by thunderclap headache and reversible vasoconstriction of cerebral arteries, which can either be spontaneous or related to an exogenous trigger. The pathophysiology of reversible cerebral vasoconstriction syndrome is unknown, though alterations in cerebral vascular tone are thought to be a key underlying mechanism. The syndrome typically follows a benign course; however, reversible cerebral vasoconstriction syndrome may result in permanent disability or death in a small minority of patients secondary to complications such as ischemic stroke or intracranial hemorrhage. |
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angiography,cerebral diagnostic criteria disability,neurological epidemiology of neurology headache headache,severe headache,thunderclap mortality MRI,abnormal neurologic disease,diagnoses of posterior leukoencephalopathy syndrome precipitating factors prognosis reversible cerebral vasoconstrictive syndromes reversible neurologic disorder review article subarachnoid hemorrhage,cerebral convexity treatment of neurologic disorder vasospasm vasospasm,cerebral
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