Intracranial Chondrosarcoma is related to enchondromatosis, multiple, ollier type and chondrosarcoma. An important gene associated with Intracranial Chondrosarcoma is IDH2 (Isocitrate Dehydrogenase (NADP(+)) 2), and among its related pathways/superpathways are Metabolism and Respiratory electron transport, ATP synthesis by chemiosmotic coupling, and heat production by uncoupling proteins.. Affiliated tissues include bone and pituitary.