Takayasu arteritis: type I
Recurrent stroke, evaluation for new lesions.
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MR brain images reveals chronic infarct with gliotic changes in the right MCA territory.
MRA neck and brain reveals narrowing at the level of the aortic arch with involvement of major arch branches. Only the right CCA is visualized with the rest of the neck vessels not seen. Right distal vertebral artery is collateralized and shows good flow.
A patient with history of old stroke was evaluated for any new onset ischemic changes. The patient was diagnosed with type I Takayasu arteritis with subsequent cerebral ischaemic changes.