Preschooler with kyphosis

Radiograph of gibbus deformity of the spine in Morquio syndrome
Lateral radiograph of the spine shows central beaking of the anterior aspect of the vertebral bodies resulting in a short-segment thoracolumbar kyphosis (gibbus deformity). There is also diffuse flattening of the vertebral bodies (platyspondyly).

The diagnosis was Morquio syndrome.