- Fracture of the 4th or 5th metacarpal caused by an axial load, typically from punching a person or object
- Pain or swelling along the 4th or 5th metacarpals
- Volar angulation of metacarpal or "missing 4th/5th knuckle"
- Look for areas of skin breakdown which may signify a fight bite that can result in a closed fist infection if untreated
- Non-thumb metacarpal fractures
- Thumb fracture
- Finger (Phalanx) Fracture
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- AP and lateral hand xray
- Indications for reduction are contingent upon angulation and rotation
- Any rotational deformity should be reduced to allow proper hand function (seen as scissoring)
- Angulation >30° in the 4th digit or >40° in the 5th digit should be reduced
- Hofmeister EP, Kim J, and Shin AY. Comparison of 2 Methods of Immobilization of Fifth Metacarpal Neck Fractures: A Prospective Randomized Study. The Journal of Hand Surgery. 2008; 33(8):1362–1368.