Cloverleaf Skull-Asphyxiating Thoracic Dysplasia Syndrome

A rare syndromic craniosynostosis characterized by prenatal presentation with cloverleaf skull, micromelia and asphyxiating thoracic dysplasia. Radiologic features include short ribs, horizontal roof of the acetabulum with a rounded median prominence and lateral spurs, deformed long bones with broad metaphyses, and absent ossification of the terminal phalanges. There have been no further descriptions in the literature since 1987.