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Salter Harris Classifications
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Salter Harris described 5 types of growth plate fractures. These classifications should be used in describing fractures which affect the growth plates.
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Salter Harris I
These do not displace unless the periosteum is worn. They are caused by shearing, torsion or avulsion forces. They may be difficult to detect radiologically without stress views.Affects 6%.
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Salter Harris II
The plane of the fracture passes through much of the growth plate but includes a piece of metaphyseal bone on one side. the periosteum is intact on the side with the metaphyseal fragment, but is torn on the opposite side. Affects 75%.
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Salter Harris III
This includes a piece of epiphysis, it tends to occur in teenagers. Affects 8%.
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Salter Harris IV
Includes metaphysis and epiphysis. It is usually intra-articular. most commonly fracture of the lateral condyle.Affects 10 %.
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Salter Harris V
Crush injury of growth plate from axial loading. Exceedingly rare ! May lead to progressive angular deformity if part of growth plate is damaged and bony nridge develops. Growth cessation at end of limb may occur if the entire growth plate is involved. Injuries may not be recognised until cessation of growth is noticed. Affects 10%.
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Salter Harris I Displaced
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