Study reveals most accurate technique to determine center of femoral head in dysplastic hips

By Monica Jaramillo

This study of pediatric patients with hip dysplasia showed the modified Mose technique was the most accurate method investigated to determine of the center of the femoral head in both subluxated hips and dislocated hips.

To determine the most accurate marker to identify the center of the femoral head and to study the position of the ossific nucleus relative to this location in skeletally immature patients, researchers retrospectively analyzed 19 patients with an average age of 35.5 months who had untreated idiopathic hip dysplasia. The center of the femoral head was defined by three radiographic markers including the center of the proximal physis, the center of the ossific nucleus and a modification of Mose’s concentric circles.
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