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After arthrodesis, non-union, in which fusion of the trapezium bone with the metacarpal bone fails, occurs in 8% to 21% of the cases. [27] Subluxation of a prosthesis is a complication where the prosthesis is mobile and is partially dislocated. When the prosthesis is fully dislocated it is called a luxation.
The Bennett fracture is an oblique intraarticular metacarpal fracture dislocation, caused by an axial force directed against the partially flexed metacarpal. This type of compression along the metacarpal bone is often sustained when a person punches a hard object, such as the skull or tibia of an opponent, or a wall. It can also occur as a ...
Posterior dislocations is when the femoral head lies posteriorly after dislocation. [5] It is the most common pattern of dislocation accounting for 90% of hip dislocations, [5] and those with an associated fracture are categorized by the Thompson and Epstein classification system, the Stewart and Milford classification system, and the Pipkin system (when associated with femoral head fractures).
distal radius fracture with ulnar dislocation and entrapment of styloid process under annular ligament: Moore's fracture at TheFreeDictionary.com: Pipkin fracture-dislocation: G. Pipkin: posterior dislocation of hip with avulsion fracture of fragment of femoral head by the ligamentum teres: impact to the knee with the hip flexed (dashboard injury)
Dislocations are commonly caused by sudden trauma to the joint like during a car accident or fall. A joint dislocation can damage the surrounding ligaments, tendons, muscles, and nerves. [2] Dislocations can occur in any major joint (shoulder, knees, hips) or minor joint (toes, fingers). The most common joint dislocation is a shoulder ...
One variant of is the Stainsby procedure which consists of excision of part of a proximal phalanx in a metatarsophalangeal joint, reduction of the plantar plate and kirschner wire fixation of the metacarpal bone to the remaining phalanx. [1] Resurfacing arthroplasty, where one or both bone surfaces are trimmed and replaced with a smooth metal ...
The index metacarpal is the most firmly fixed, while the thumb metacarpal articulates with the trapezium and acts independently from the others. The middle metacarpals are tightly united to the carpus by intrinsic interlocking bone elements at their bases. The ring metacarpal is somewhat more mobile while the fifth metacarpal is semi ...
X-ray of an avulsion fracture of the head of the first (thumb) metacarpal on the left hand of a 16-year-old male, images taken one day and seven weeks after the injury, respectively. If the fracture is small, it is usually sufficient to treat with rest and support bandage , but in more severe cases, surgery may be required.