<prompt> Diaphyseal aclasis isMultiple enchondromatosisMultiple hemagiomaMultiple osteoid osteomaMultiple exostosis  <response>: Hereditary multiple osteochondromas HMO also known as Hereditary multiple exostoses is a disorder characterized by the development of multiple benignosteocartilaginous masses exostoses in relation to the ends of long bones of the lower limbs such as the femurs and tibias and of the upper limbs such as the humeri 