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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 ...
The ulna fractures in the proximal one-third of the shaft due to extreme dislocation. Depending on the impact and forces applied in each direction, degree of energy absorption determines pattern, involvement of the radial head and whether or not open soft tissue occurs. Direct blow on back of upper forearm would be a very uncommon cause.
A Colles' fracture is a type of fracture of the distal forearm in which the broken end of the radius is bent backwards. [2] Symptoms may include pain, swelling, deformity, and bruising. [2] Complications may include damage to the median nerve. [1] It typically occurs as a result of a fall on an outstretched hand. [2] Risk factors include ...
Monteggia fracture: Giovanni Battista Monteggia: proximal ulna fracture with dislocation of radial head: blow to forearm: Monteggia fracture at Whonamedit? Moore's fracture: Edward Mott Moore: distal radius fracture with ulnar dislocation and entrapment of styloid process under annular ligament: Moore's fracture at TheFreeDictionary.com: Pipkin ...
Distal radius fractures typically occur with the wrist bent back from 60 to 90 degrees. [5] Radial styloid fracture would occur if the wrist is ulnar deviated and vice versa. If the wrist is bent back less, then proximal forearm fracture would occur, but if the bending back is more, then the carpal bones fracture would occur.
A subtle radial head fracture with associated positive sail sign. Specific fracture types of the radius include: Proximal radius fracture. A fracture within the capsule of the elbow joint results in the fat pad sign or "sail sign" which is a displacement of the fat pad at the elbow. Illustration showing radius shaft fracture
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 radial head fracture is usually managed by open reduction internal fixation under general anaesthesia: the area is opened surgically, the surgeon forces the bones back into their correct positions, and then fixes them in place using titanium pins and/ or plates; if the fracture is too comminuted (i.e., the bones have been crushed or fractured into many pieces) a radial head implant can be ...