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September 1969

Arnold-Chiari Malformation in an Elderly Woman

Arch Neurol. 1969;21(3):258-262. doi:10.1001/archneur.1969.00480150048006

ARNOLD-CHIARI malformation is a congenital deformity usually found in infancy or childhood. Its occurrence in adult years has recently received attention.1-4 The present report describes a woman with the malformation who did not become symptomatic until the age of 59 and who wasoperated upon in her 65th year. There were no vertebral anomalies associated with this patient's malformation, which is rare.1,5

Report of a Case 

History.—  A 65-year-old white woman (1836934) was admitted to the New York Neurological Institute for the first time on April 28, 1967, because of progressive difficulty in walking. In 1961, at the age of 59, the patient noted that her steps were progressively smaller, her gait slower, and that she staggered and occasionally fell to the left. In the six months prior to admission, her lower extremities became increasingly weak and she fell more often. A cane was required for walking. Urinary