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Reversible cerebral vasoconstriction syndrome (MRI)

Typical brain imaging findings in reversible cerebral vasoconstriction syndrome. (A) Diffusion-weighted MRI shows bilateral symmetric infarctions in the watershed distribution of the middle and posterior cerebral arteries. (B) FLAIR-MRI shows hyperintense lesions in the bilateral cortical-subcortical regions; these lesions are reversible and reflect brain edema. (C) FLAIR-MRI shows a convexity subarachnoid hemorrhage overlying the left frontal lobe. (D) Head CT scan shows a lobar hemorrhage. (Contributed by Dr. Aneesh B Singhal.)

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  • Bronchial carcinoids
  • Drug-induced vasculitis (Drug-induced cerebrovascular disease)
  • Drug-induced vasoconstriction (Headache associated with illicit drug use)
  • Eclampsia (Pregnancy and stroke)
  • Hemolytic uremic syndrome
  • Hypercalcemia
  • Hypertensive encephalopathy
  • Many trigger
  • Migraine (Migraine: clinical aspects)
  • Pheochromocytoma
  • Porphyria
  • Posterior reversible encephalopathy syndrome
  • Primary headaches (Acute headache: diagnosis)
  • Recurrent thunderclap headaches (Acute headache: diagnosis)
  • Severe closed head injury
  • Spinal subdural hematoma (Vascular disorders of the spinal cord)
  • Superficial siderosis
  • Thrombotic thrombocytopenic purpura: neurologic complications