Figure 1. Angiography of cerebral arterial and venous stenosis. (A1–A3) Typical CAS represented by right MCA stenosis, right ICA stenosis and left VA stenosis on CTA respectively. (B1–B3) Bilateral cerebral transverse sinus stenosis presented on MRV and CTV. (C1-C3) Right IJVS J3 segment stenosis presented on MRV and CTV. The stenoses are indicated by arrows.