Halpin, D M Type 1 Arnold-Chiari malformation in a 77 year old woman. [electronic resource] - Journal of neurology, neurosurgery, and psychiatry Jan 1990 - 88-9 p. digital Publication Type: Case Reports; Letter ISSN: 0022-3050 Standard No.: 10.1136/jnnp.53.1.88-a doi Subjects--Topical Terms: Accidental FallsAgedArnold-Chiari Malformation--diagnosisBrain Stem--pathologyCerebellum--pathologyFemaleForamen Magnum--pathologyHumansHydrocephalus--pathologyMagnetic Resonance Imaging