Reversible cerebral vasoconstriction syndrome

Case contributed by Frank Gaillard
Diagnosis almost certain


A number of thunderclap headaches over a period of weeks. No blood or xanthochromia on CSF.

Patient Data

Age: 50 years
Gender: Female

Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

Initial CTA appears unremarkable with no vascular changes.

Soon after episode of HA


Repeat CTA three days later, after a further headache revealed marked beading of all intracranial branches, best demonstrated in the ACAs. An occipital infarct is also evident.

Case Discussion

Features are consistent with reversible cerebral vasoconstriction syndrome.

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