ICD-11 definition : Spondylometaphyseal dysplasias are a heterogeneous group of disorders associated with
walking and growth disturbances that become evident during the second year of life.
The disorders are characterized by platyspondyly (flattened vertebrae) and marked
hip and knee metaphyseal lesions. The different forms of spondylometaphyseal dysplasia
are distinguished by the localization and severity of involvement of the affected
metaphyses.;
Spondylometaphyseal dysplasias are a heterogeneous group of disorders associated with
walking and growth disturbances that become evident during the second year of life.
The disorders are characterized by platyspondyly (flattened vertebrae) and marked
hip and knee metaphyseal lesions. The different forms of spondylometaphyseal dysplasia
are distinguished by the localization and severity of involvement of the affected
metaphyses.