Fig. 16
From: Neuroimaging assessment in Down syndrome: a pictorial review
Axial T2* (a) and T2/TSE (b) of a 46-year-old patient with Down syndrome, presenting signs of an old hemorrhagic stroke involving the left thalamic-capsular area. Note also the prominent flow voids from collateral vessels involving the basal cisterns and horizontal segments of the Sylvian fissures. These features suggest associated moyamoya syndrome, which was confirmed in angiographic studies (not shown)