Vertebral Basilar Angiogram. (Left) lateral view; (Right) AP view. This study was performed by injecting contrast into the right vertebra artery, which is well opacified. There is also some retrograde ...

CEREBROVASCULAR disease ranked third, after heart disease and cancer, as a cause of death in the United States in 1959. Almost 37,000 of these deaths occurred in persons between thirty-eight and sixty ...

The surgical management of atlantoaxial instability remains one of the most challenging and delicate procedures in spinal surgery. Instability between the atlas (C1) and axis (C2) is often associated ...