MR demonstrates cartilaginous megaepiphyses of the hips in Kniest dysplasia of the young child

摘要

MR imaging of a 2-year-old girl with Kniest dysplasia revealed abnormally large cartilaginous femoral heads. Although ossification of the femoral head is delayed in Kniest dysplasia, it is nonetheless also a megaepiphyseal growth center with respect to the cartilage model.