Conditions that may show ‘vasculitic’ changes on contrast angiography
| Intracranial atherosclerosis | Subarachnoid haemorrhage |
| CADASIL | Intracerebral haematoma |
| Reversible cerebral vasoconstriction syndrome | Migraine |
| Antiphospholipid syndrome | Sickle cell disease |
| Fibromuscular dysplasia | Alzheimer’s disease |
| Intravascular lymphoma | Multiple cerebral emboli (eg, SBE) |
| Herpes zoster arteritis syndromes | Marfans’ syndrome, Ehlers-Danlos syndromes |
| Vasospasm (eg, drug-related) | Severe hypertension |
| Moyamoya disease and syndrome | Acute trauma |
| Radiation vasculopathy |
CADASIL, cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy; SBE, sub-acute bacterial endocarditis.