Key result
An entry point in the lateral cortex below the inferior edge of the lesser trochanter was the common denominator in four cases of subtrochanteric fracture after cannulated screw fixation.
Case Report (n=4)
An entry point in the lateral cortex below the inferior edge of the lesser trochanter during cannulated screw fixation of femoral neck fractures may predispose patients to subtrochanteric fractures.
May increase subtrochanteric fracture risk after femoral neck fixation; hypothesis-generating case report requiring prospective validation.
Subtrochanteric fractures after screw or pin fixation of femoral neck fractures are a recognized complication. No literature is available on this complication after fixation using the recently popularized cannulated screws. We present our experience in treating four of these complications. The common denominator for all four patients seemed to be an entry point in the lateral cortex below the level of the most inferior edge of the lesser trochanter.
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Kloen et al. (2003) conducted a case report in Subtrochanteric fracture after cannulated screw fixation of femoral neck fractures (n=4). Cannulated screw fixation was evaluated on Subtrochanteric fracture. An entry point in the lateral cortex below the inferior edge of the lesser trochanter was the common denominator in four cases of subtrochanteric fracture after cannulated screw fixation.
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