"benign periorbital tumours (e.g. choristoma)"
"benign jaw tumours (e.g. osteomas)"
"low-grade gliomas (e.g. pilocytic astrocytomas)"
"cystic anomalies (e.g. porencephalic cysts, arachnoid cysts)"
"intracranial vascular malformations (e.g. leptomeningeal angiomatosis)"
"Encephalocraniocutaneous lipomatosis may be considered a mosaic RASopathy, often due to mosaic somatic mutations to the FGFR1, KRAS or NRAS genes 3,4."
"History and etymology"