TopicHandUpdatedKienbock’s ‣What is Kienbock? What is the pathophysiology?‣Risk factors for Kienbock?‣Blood supply to Lunate?‣Clinical features of Kienbock?‣What do you look for on XR?‣How do you evaluate carpal collapse?‣Classification of Kienbock?‣Management options for Kienbock?‣How to measure ulnar variance?Preiser Disease RARE, atraumatic‣Classifx = Herbert and Lanzetta‣Mx (Non op vs Op)