Inherited skeletal disorders have a fascination for many medical and surgical disciplines. For the geneticist there is interest in the study of families and their inheritance of lesions. The paediatrician is concerned because most of the disorders present in childhood as a problem in clinical differential diagnosis. The radiologist is interested because of the manifest, multiple and curious bone changes that provide a challenge in diagnosis and classification. The orthopaedic surgeon is involved because they present a challenge in the management of the many and various lesions of the limbs...