Mallet finger: Difference between revisions
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==Diagnosis== | ==Diagnosis== | ||
The injured digit will be often held in flexion with an inability to extend. The diagnosis is clinical although an avulsion fracture should also be ruled out. | |||
==Treatment== | ==Treatment== | ||
Revision as of 00:33, 24 November 2015
Background
- Rupture of extensor tendon in area of distal phalanx distal to DIP joint
- May be accompanied by avulsion fracture
- Caused by forced flexion of the DIP joint
Clinical Features
- Results in DIP joint flexed 40'
Differential Diagnosis
Hand and finger injuries
- Distal finger
- Other finger/thumb
- Boutonniere deformity
- Mallet finger
- Jammed finger
- Jersey finger
- Trigger finger
- Ring avulsion injury
- De Quervain tenosynovitis
- Infiltrative tenosynovitis
- Metacarpophalangeal ulnar ligament rupture (Gamekeeper's thumb)
- Hand
- Wrist
- Drummer's wrist
- Ganglion cyst
- Lunotriquetral ligament instability
- Scaphoid fracture
- Extensor digitorum tenosynovitis
- Compressive neuropathy ("bracelet syndrome")
- Intersection syndrome
- Snapping Extensor Carpi Ulnaris
- Vaughn Jackson syndrome
- General
Diagnosis
The injured digit will be often held in flexion with an inability to extend. The diagnosis is clinical although an avulsion fracture should also be ruled out.
Treatment
- Splint DIP joint in continuous slight hyperextension x 6wk
- must be without interruption for entire time
- given extra splint for shower
- ortho in 7-10days
See Also
Source
- Tintinalli
- Atlas of Emergency Medicine