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.
A Slipped Disc or Ruptured Disc. A herniated disc is a prevalent source of neck, arm, back, and leg pain is typically seen in adults between 30 and 50 years of age. Herniated Disc Facts & Information. Also referred to as a slipped disc or ruptured disc, a herniated disc can occur anywhere in the spine.