Fortunately, bilateral subclavian artery disease is an infrequent finding ... In addition, the use of 64-slice computed tomography angiography (CTA) has resulted in incremental increases in ...

The vertebral artery is divided into four segments (V1–V4; Figure 1). The V1 segment originates at the subclavian artery and extends to the transverse foramina of either the fifth or sixth ...