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June 1968

Mirror Movements in Patients With the Klippel-Feil Syndrome: Neuropathologic Observations

Author Affiliations

USA, San Francisco; New Haven, Conn
From the Department of Neuropsychiatry, Medical Field Service School, Brooke Army Medical Center, Fort Sam Houston, Tex, and the Department of Pathology, Yale University School of Medicine, New Haven, Conn.

Arch Neurol. 1968;18(6):675-679. doi:10.1001/archneur.1968.00470360097009

THE SYNDROME of mirror movements is a congenital disorder of motor control in which voluntary movements initiated in one arm or leg are copied by the other. Usually, children with this syndrome have no other evidence of neurologic disease and improve as they grow older, although some degree of synkinesia may persist. Although mirror movements may be transmitted as an isolated autosomal dominant disorder, more often it is reported in association with congenital syndromes affecting other organ systems.

The Klippel-Feil syndrome is characterized by a congenital failure of cervical segmentation resulting in apparent fusion of two or more cervical vertebrae.1 In 1932 Bauman2 described four children with these osseous anomalies who also had mirror movements. Four years later Avery and Rentfro3 published the only autopsy observations on a case with both disorders. The present report describes the autopsy findings in a second such case with certain

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