Congenital deficiency of distal ulna and dislocation of the radial head treated by single bone forearm procedure.

Congenital deficiency of part of distal ulna affecting the distal radio-ulnar joint is a rare disorder. It is even rarer to find the association of proximal radio-ulnar joint dislocation along with distal ulnar deficiency. This type of congenital forearm anomaly is difficult to treat.

Kienbock's Disease treated with Interposition Arthroplasty using Ipsilateral Palmaris Longus Tendon and Muscle Belly.

Introduction: Kienbock's disease is an osteonecrosis of lunate bone (lunatomalacia) seen more commonly in males in the second to fourth decade of life. The exact etiology is unknown and symptoms include wrist pain and stiffness of wrist. Advanced stages of disease may require lunate excision and filling of the void by various substitutes like silicone implants, tendon grafts etc.