| A rare clinically variable bone dysplasia syndrome with characteristics of hyperostosis of the long bones, skull, spine and pelvis, associated with severe pain in the extremities, a wide-based waddling gait, joint contractures, muscle weakness and easy fatigability. In more than 90% of patients, mutations in the transforming growth factor TGFB1 gene (19q13.1) are detected. Inherited as an autosomal dominant trait with reduced penetrance. |
