Salter-Harris type IV fracture
11 year old girl with fall at school
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Intraarticular fracture involving the left 3rd metatarsal head with step depression of the dominant metatarsal head fragment of up to 2mm. Fracture extends to involve the metaphysis consistent with a Salter Harris 4 type injury. No further fracture evident. There is mild displacement of the metatarsal head dominant fragment laterally.
- Salter Harris Type IV fractures make up approximately 10% of all growth plate fractures.
- Fracture plane passes directly through the metaphysis, growth plate and epiphysis
- Poor prognosis as the proliferative and reserve zones are interrupted.