<unk>  is an autosomal dominant disorder of bone growth. The condition is characterized by flattened bones of the spine (platyspondyly) and unusually short fingers and toes (brachydactyly). Some affected individuals also have other skeletal abnormalities, short stature, nearsightedness (myopia), hearing loss, and mental retardation.<unk>  is a subtype of collagenopathy, types II and XI.
Spondyloperipheral dysplasia
Otospondylomegaepiphyseal dysplasia
Spondylo-meta-epiphyseal dysplasia
Metaphyseal dysplasia
Spondyloepimetaphyseal dysplasia
Craniodiaphyseal dysplasia
Craniometaphyseal dysplasia
Multiple epiphyseal dysplasia