Other nasopharyngeal cysts include more lateral benign seromucinous retention cysts (Fig. 10), pharyngeal bursae of Luschka (between the longus colli muscle heads) and oncocytic cysts (Warthin's tumor, not reported in children).
Herniated Nucleus Pulposus. Definition. A herniated disc is a fragment of the disc nucleus which is pushed out of the outer disc margin, into the spinal canal through a tear or rupture.. In the herniated disc's new position, it presses on spinal nerves, producing pain down the accompanying leg. This produces a sharp, severe pain down the entire leg and into the foot.
Also known as a ruptured, herniated or slipped disc, a torn disc is a condition in which the outer layer of one of the intervertebral discs that cushion vertebrae in the spine develops a tear. In some cases, this rupture allows the jelly-like inner core of that disc to leak out. Symptoms of a torn disc include: