Polycystic ovary syndrome. PCOS is the most common endocrine disorder, with a prevalence of 6-10%.It is also the most common cause of irregular menstrual bleeding, oligomenorrhea, or amenorrhea, associated with hyperandrogenism. Oligomenorrhea is defined as menstrual cycles occurring more than 35 days to 3 months apart.
Cubital and Radial Tunnel Syndrome. In this article. Cubital tunnel syndrome and radial tunnel syndrome aren't as familiar as their better-known relative -- carpal tunnel syndrome -- but they also can cause severe pain, numbness, tingling, and muscle weakness in the hands and arms.
ULNAR NERVE COMPRESSION AT THE ELBOW. Cubital tunnel syndrome. Compression of the ulnar nerve at the elbow is second only to carpal tunnel syndrome as a source of nerve entrapment in the upper extremity. The nerve can become compressed at a number of sites from 10 cm proximal to the elbow to 5 cm below the joint.