MRI
Top Down View MRA
Lateral View MRA
Coronal MRA post processed image
Sagittal MRA post processed image
With regards to diffuse CNS vasculopathy, why is moyamoya disease unlikely in this patient?
Absence of lenticulostriate collaterals
These images demonstrate straightening and narrowing of the proximal intracranial vessels as well as dilated cervical vessels. What vasculopathy is this pattern characteristic of?
ACTA2 mutation arteriopathy (mutation in smooth muscle alpha-actin)
Time-of-flight MR angiography reveals diffuse abnormalities of the intracranial arteries. Specifically, there is narrowing of the intracranial vessels and abnormal enlargement of the proximal carotid arteries.