Pyle disease is thought to be a rare disorder, although its prevalence is unknown. More than 25 cases have been described in the medical literature. It has been described in four German families originating from the same town in Bohemia and in a 7-year-old Japanese girl.
Metaphyseal dysplasia
Multiple epiphyseal dysplasia
Achondroplasia
Otospondylomegaepiphyseal dysplasia
Craniodiaphyseal dysplasia
Cemento-osseous dysplasia
Spondylo-meta-epiphyseal dysplasia
Craniometaphyseal dysplasia