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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVIII | Pages 179 - 179
1 Sep 2012
SURFACE ANATOMY OF THE DISTAL FEMORAL PHYSIS WITH REGARDS TO DISTAL FEMORAL FIXATION
Thompson GH Liu RW Armstrong DG Levine AD Gilmore A Thompson GH Cooperman DR
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Purpose

The undulating pattern of the distal femur is well recognized. Radiographs do not always represent the full extent of the undulations. With recent increasing use of guided growth technique in the distal femur, it is important to define safe zones for screw placement.

Method

We performed an anatomical study on 26 cadaveric distal femoral epiphyses, ages 3–18 years. High resolution three-dimensional surface scans were obtained with a laser scanner, and were analyzed to determine the absolute height of the central physeal ridge, and the central physeal ridge height with respect to the highest points medially and laterally.