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Stage III: the osteoarthritis is localized in the entire radioscaphoid joint with involvement of the capitolunate joint. Stage IV: the osteoarthritis is located in the entire radiocarpal joint and in the intercarpal joints. It also may involve the distal radio-ulnar joint (DRUJ).
The distal radioulnar articulation [1] (also known as the distal radioulnar joint, [2] or inferior radioulnar joint [1] [3]) is a synovial pivot joint between the two bones in the forearm; the radius and ulna. It is one of two joints between the radius and ulna, the other being the proximal radioulnar articulation.
A distal radius fracture, also known as wrist fracture, is a break of the part of the radius bone which is close to the wrist. [1] Symptoms include pain, bruising, and rapid-onset swelling. [1] The ulna bone may also be broken. [1] In younger people, these fractures typically occur during sports or a motor vehicle collision. [2]
The injury can be difficult to diagnose initially as medical attention is usually focused on the injury to the radial head, leading to the distal radio-ulnar injury being overlooked. The examination finding of tenderness of the distal radio-ulnar joint suggests an Essex-Lopresti injury in patients who have sustained high energy forearm trauma.
The Galeazzi fracture is a fracture of the distal third of the radius with dislocation of the distal radioulnar joint.It classically involves an isolated fracture of the junction of the distal third and middle third of the radius with associated subluxation or dislocation of the distal radio-ulnar joint; the injury disrupts the forearm axis joint.
The sets currently available contain: scopes; probes; punches; graspers; joint shavers and electrocautery. [14] To get a clear view of the wrist a high quality camera with a small diameter between 2 and 3 mm is needed. This camera is attached to a fiberoptic light source and shows the image of the inside of the joint. Probes are used for ...
To control the forearm rotation the DRUJ acts in concert with the proximal radioulnar joint. The connection between the distal radius and the distal ulna, maintain the congruency of the DRUJ. This attachment is mainly created by the RULs of the TFCC. These ligaments support the joint through its arc of rotation. [7]
An ulna fracture is a break in the ulna bone, one of the two bones in the forearm. [2] It is often associated with a fracture of the other forearm bone, the radius. [1] [3]An ulna fracture can be a single break as in a so called nightstick fracture, which can be caused by someone being hit on the inside of the forearm often by a stick, notably when they are holding their arm up to protect ...