An Extreme Example of Developmental Dysplasia of the Hip and Bilateral Hip Dislocation

Abstract

Neonatal or pediatric hip sonography is commonly used to help diagnose developmental dysplasia of the hip (DDH). DDH is also known as congenital hip dysplasia or congenital dislocation of the hip. Hip sonograms are typically ordered for infants who were in a breech presentation, or if they present with a hip click or decreased hip mobility on a physical examination. Sonography is used to visualize the soft tissue and bony anatomy of the hip. Hip sonography is a common first diagnostic step because, among other benefits, it is safe, economical, and easy to perform. When utilizing the Graf method and classification system, sonography can be a reliable diagnostic tool in detecting DDH. Diagnosis is made by correlating clinical examination findings with sonographic results. Treatment for DDH is easier and more likely to prevent complications if started early, but if left untreated, it can lead to pain and difficulties with gait later.