During endoscopic carpal tunnel release, physicians insert an optical device through a small incision into the carpal tunnel of the wrist in order to release pressure of the median nerve, which passes through this canal into the wrist.
Discography is an invasive radiographic technique that uses the injection of contrast media to visualize intervertebral disk space. Developed in Sweden in 1948, it soon became widely used to diagnose such diseases or conditions as lumbar degenerative disease, disc herniation, disc protrusion,...
