An exostosis, also called an osteoma, is a benign overgrowth of a pre-existing bone. It forms during the active growth stage. In the majority of cases the bone overgrowth is capped with cartilage, and ...
Multiple exostoses is a skeletal abnormality that is caused by genetic factors; this is why it is generally referred to as hereditary multiple exostoses. It is also known as multiple osteochondromas ...