Maffucci syndrome (MONDO_0013808, a Monarch Disease Ontology identifier) is a very rare genetic bone and skin disorder characterized by multiple enchondromas, leading to bone deformities, combined with multiple dark, irregularly shaped hemangiomas or less commonly lymphangiomas. Also known as: Chondroplasia angiomatosis, Dyschondroplasia and cavernous hemangioma, Maffucci type enchondromatosis, Maffucci's anomalad, chondrodysplasia with hemangioma, enchondromatosis with hemangiomata, hemangiomata with Dyschondroplasia.