Mallet thumb is the avulsion of
the extensor pollicis longus tendon from the base of the distal
phalanx with or without bony fragment. It occurs because of the
hyperflexion or axial loading of the interphalangeal joint, most often due to
bicycle injuries and ball games.
Injuries of the abruption
extensor tendon in adolescents are extremely rare. During the last 30 years 2
cases have been published in English.
Treatment options for mallet
thumb fracture are primary conservative such as splint or cast. Splints or
casts immobilize musculoskeletal injuries while alleviating pain and promoting
healing. However, these interventions differ in their technique, indications,
benefits, and risks.
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