Multimodality imaging of developmental dysplasia of the hip.

Developmental dysplasia of the hip (DDH) is a spectrum disorder resulting in underdevelopment of the acetabulum. Radiographs and ultrasound are the mainstays for screening, with CT and MRI playing important roles in assessing outcome after treatment. The purpose of this article is to illustrate the use of multimodality imaging in the diagnosis and management of DDH.