A case of Mallet Finger

A male aged 31 years while playing Basketball Chief Complaints Sustained direct injury to his extended middle finger f/b pain n inability to extend the DIP of Right middle finger and middle finger remained in slight flexion

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Mallet finger is characterised by inability to extend the terminal inter phalalgeal joint due to trauma or fracture of the base of the distal phalanx. The trauma or fracture of the base of terminal phalanx cause disruption of the extensor expansion of the extensor tendon causing inability of extension Treatment If fersh trauma A to use Mallet splint for at least 3 weeks If old repair of the tendon.

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Bony avulsion of extensor tendon Mallet finger Acceptable function can be achieved by frog splint for one month K wire fixation another option

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Tendon repair

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X-ray shows Doyle Type 4b Mallet finger Needs an lateral view for determining DIP dislocation surgical correction and repair is needed Immobilzation in DIP extension for 8-12 weeks

Flex ion block pinning

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