Radiographic and clinical evaluation was done on 12 members of a kindred that included members with hip dislocation. Acetabular dysplasia was found in several members who did not have dislocation. This supports the concept that acetabular dysplasia is inherited and acts as a precursor to dislocation. Identification of infants with primary acetabular dysplasia may allow measures to prevent dislocation.
Department of Orthopaedics and Rehabilitation, Oregon Health Sciences University, 3181 SW Sam Jackson Park Road, Mail Code L-477, Portland, OR 97201, USA. bealsr@ohsu.edu
