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.
WHAT IS A DISC BULGE? To really understand what a bulging disc is, I will discuss the classifications to describe the disc lesions because there are a variety of terms commonly used like disc prolapse, slipped disc, ruptured disc and disc herniation. Another term people often hear is called Disc Dessication.o really understand what a bulging disc is, I will discuss the classifications to describe the disc lesions because there are a variety of terms commonly used like disc prolapse, slipped disc, ruptured disc and disc herniation. Another term people often hear is called Disc Dessication.