Osteochondroma, also known as cartilaginous exostosis, is related to metachondromatosis and hereditary multiple osteochondromas. An important gene associated with Osteochondroma is EXT1 (Exostosin Glycosyltransferase 1), and among its related pathways/superpathways are Mesodermal commitment pathway and Endoderm differentiation. The drug Isotretinoin has been mentioned in the context of this disorder. Affiliated tissues include bone and spinal cord, and related phenotypes are Decreased human papilloma virus 16 (HPV16) pseudovirus infection and normal