In 11 children (aged 4 weeks to 8 months) with congenital dysplasia of the hip and complete dislocations of the femoral head, magnetic resonance imaging was performed after closed reduction. Gradient echo sequences allowing for a short examination time are well suited for imaging of the articular cartilage and documentation of the position of the femoral head. The use of magnetic resonance imaging decreases the risk that incompletely reduced or redislocated hips after closed or open reduction are retained in this position. Magnetic resonance imaging can be recommended for postreduction assessment of congenital dislocation of the hip in infants and may significantly reduce the need for arthrography.
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