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.
Cubital tunnel. The cubital tunnel is a space of the dorsal medial elbow which allows passage of the ulnar nerve around the elbow. It is bordered medially by the medial epicondyle of the humerus, laterally by the olecranon process of the ulna and the tendinous arch joining the humeral and ulnar heads of the flexor carpi ulnaris.