MRCP2-3330
A 78-year-old male was brought into hospital after waking with left arm weakness predominantly affecting the hand with a left sided facial droop in an upper motor neuron pattern. His blood pressure on admission was 170/85 mmHg and his heart rate was 75 beats per minute and in sinus rhythm. His blood glucose level on admission was 7.5 mmol/L.
His initial CT brain showed some mild bi-temporal atrophic change and some chronic small vessel ischaemia without any acute ischaemic changes and in particular, no haemorrhage.
He was admitted with a suspected diagnosis of minor ischaemic stroke. Which of the following imaging modalities will confirm the diagnosis?