Conventional angiography of the entire spinal column (Box 1) requires meticulous catheterization of every segmental spinal level, and is a lengthy procedure, typically lasting 2–3 h and warranting ...

Angiography involves the use of x-ray imaging to examine blood vessels. The images generated during an angiography procedure are known as angiograms. First, a needle is placed into the femoral artery.

PALM SPRINGS, California — Fluorescein angiography is better than standard digital imaging for monitoring retinopathy of prematurity in the eyes of infants treated with the vascular endothelial growth ...