![]() ![]() Using the Wehbe and Schneider system, which divides such injuries into 3 1, 13, 16 Mallet finger injuries are generally classified Sudden flexion at the DIP joint and accounts for about 2% of all sports Pain, and the inability to fully extend the DIP joint a lateral x-ray canĬonfirm the diagnosis. 15 Patients typically present with flexion deformity, with or without Proposed that certain patients are genetically predisposed to the injury. Mallet finger avulsions happen in the dominant hand and more than 90% are Younger men (average age of diagnosis: 34 years). Of this injury is estimated at 9.9 of 100 000 patients and is common in 13 Mallet finger injuries affect the extensor mechanism at the distal Sports injuries are common at the distal phalanx. 11 Complications included posttraumatic arthritis, joint weakness and 11 Radiographs and/or computed tomography (CT) should be used to confirm Wrist following trauma should be suspected of having such an injury. 2, 11, 12 Patients with pain and restricted movement at the The contracting muscle can then displace the Of injury (MOI) is a force occurring at the dorsal aspect of the hand while Place these areas at risk of an avulsion injury. Muscles insert at the base of the second and third metacarpal bones, which 9, 10 The extensor carpi radialis longus and brevis Yearly incidence rates of hand fractures were 360 and 380 per 100 000 8 In 2 population studies conducted in Canada and the United Kingdom, Physicians should be mindful of the potential complicationsįractures of the metacarpals represent approximately 30% of all hand fractures. Stability and compression at the fracture site and earlier mobilization and Some research suggesting that screw fixation, when possible, may offer the best No clear consensus on choosing one technique over another however, there is One of various techniques, each with their own pros and cons, and often there is Some avulsion fractures can be surgically managed with any Patient demographics or preferences and surgeon experience may also play a role Is typically indicated for more severe cases or if nonoperative treatments fail Generally include casting or splinting with a period of immobilization. Treatment is dependent on the severity of the fracture. The purpose of this review was to identify and describe theĮpidemiology and available treatment options for common avulsion fractures of ![]() Left untreated, it can lead to deformity, nonunion, malunion, pain, andĭisability. Avulsion fractures compromise function and movement at the affected joint.
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