von Recklinghausen's neurofibromatosis and aqueduct stenosis.
D001927:Brain Diseases / Q000150:complications* / Q000473:pathology; D002535:Cerebral Aqueduct / Q000473:pathology; D003251:Constriction, Pathologic / Q000150:complications / Q000473:pathology; D006801:Humans; D009456:Neurofibromatosis 1 / Q000150:complications*