Extracranial arterial aneurysms: A cause of crescendo transient ischaemic attacks

Crescendo transient ischaemic attacks (TIAs) should be regarded as a medica l emergency. Patients require hospitalisation with urgent assessment and sy mptom control with anticoagulant therapy. We report on three patients, all of whom had atherosclerotic aneurysmal disease of the extracranial arterial circulation who presented with crescendo TIAs, The possibility of extracra nial aneurysmal disease should always be considered and excluded.