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Reversible cerebral arterial segmental vasoconstriction

Classic angiographic pattern of reversible cerebral arterial segmental vasoconstriction. Note the “sausage on a string” appearance of the medium-sized intracerebral arteries. (Contributed by Dr. Aneesh Singhal.)

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Associated Disorders

  • 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