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Von Baeyer's sign

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A phenomenon particularly seen in destroyed sense of depth in tabes dorsalis. If the skin is shifted upwards and downwards a few centimetres with a firm tip of the finger, the patient, with eyes closed, will almost always be mistaken about the direction and answer hesitantly.


  • A. Oestrich:
    Die Prüfungsmethoden bei Störungen der Tiefensensibilität mit Einschluss des v. Baeyerschen Zeichen.
    Diss. med. Basel, 1936.

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