Hyperextension mallet finger.

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Abstract

5. J Am Acad Orthop Surg. 2005 Sep;13(5):336-44. doi: 10.5435/00124635-200509000-00007. Mallet finger. Bendre AA(1), Hartigan BJ, Kalainov DM. Author information: (1)OAD Orthopedics, Warrenville, IL 60555-6845, USA. Mallet finger involves loss of continuity of the extensor tendon over the distal interphalangeal joint. This common hand injury results in a flexion deformity of the distal finger joint and may lead to an imbalance between flexion and extension forces more proximally in the digit. Mallet injuries can be classified into four types, based on skin integrity and the presence or absence of bony involvement. Although various treatment protocols have been proposed, splinting of the distal interphalangeal joint for 6 to 8 weeks has yielded good results while minimizing morbidity in the majority of patients. Surgical management may be considered for acute and chronic mallet lesions in patients who have failed nonsurgical treatment, are unable to work with the splint in position, or have a fracture involving more than one third of the joint surface. DOI: 10.5435/00124635-200509000-00007