Chronic inflammatory demyelinating polyradiculoneuropathy
Sep. 05, 2022
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Postural sway of a healthy person (top) and a patient with tabes dorsalis (bottom), recorded by Hinsdale using a graphic recording apparatus around 1887. To make the recordings, smoked paper was placed on a piece of cardboard and attached to the patient’s head. The subject stood under an index, which was free to move up and down in a fixed vertical line. (Mitchell SW, Dercum FX. Nervous diseases and their treatment: general considerations. In: Dercum FX, editor. A Text-Book on Nervous Diseases by American Authors. Philadelphia: Lea Brothers & Co, 1895:2-50.)