Ulnar deviation is a deformity of the hand that affects people with rheumatoid arthritis (RA) and other inflammatory diseases. Also known as ulnar drift, it occurs when your knuckles—called ...

Thrombosis of the ulnar artery can be a cause of significant morbidity. Most often a consequence of blunt trauma to the hypothenar eminence of the hand, it may be attributable to one traumatic ...