Cyst of the cavum septi pellucidi.
D000015:Abnormalities, Multiple; D000328:Adult; D061085:Agenesis of Corpus Callosum; D001921:Brain / Q000473:pathology; D001927:Brain Diseases / Q000151:congenital* / Q000196:embryology; D002490:Central Nervous System / Q000196:embryology; D002535:Cerebral Aqueduct / Q000002:abnormalities; D002552:Cerebral Ventricles / Q000002:abnormalities*; D002557:Cerebrospinal Fluid Shunts; D002648:Child; D003560:Cysts / Q000151:congenital*; D005260:Female; D006801:Humans; D006849:Hydrocephalus / Q000151:congenital; D008588:Meningocele / Q000151:congenital; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious