Research Paper Volume 11, Issue 23 pp 11073—11083
Clinical and neuroimaging correlates among cohorts of cerebral arteriostenosis, venostenosis and arterio-venous stenosis
Figure 3. Perfusion and metabolic status of CAS, CVS and CAVS on SPECT. CAS and CAVS always has focal or unilateral reduced perfusion with elevated or reduced metabolic status. CVS displays with bilateral symmetrical perfusion reduction and metabolic status maintaining normal or elevation frequently.