Description : Multiple epiphyseal dysplasia is a clinically and genetically heterogeneous skeletal
disorder characterized by joint pain and stiffness, mild short stature, and degenerative
joint disease. Onset of the disorder is usually in childhood (summary by Jackson et
al., 2010). For a general phenotypic description and a discussion of genetic heterogeneity
of EDM, see EDM1 (132400).;
Inheritance : Autosomal dominant;
Molecular basis : Caused by mutation in type IX collagen, alpha-2 polypeptide gene (COL9A2, 120260.0001);