Vanner's Sign
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
Vanner's sign is a neurological examination technique proposed in 1913 using a tuning fork applied to the head to detect organic intracranial diseases. The article describes how shortened bone conduction of sound indicates diseases of the brain and its membranes, such as gummatous lesions, even when inner ear function is intact.
Encyclopedia entry (1928–1936)
VANNER'S SIGN (Vanner), proposed in 1913 for the diagnosis of organic intracranial diseases. The examination is performed with a tuning fork applied to the head in various areas. In cases where there is a disease of the brain and its membranes (e.g., a gummatous lesion), the conduction of sound through the bone is shortened, even with intact function of the inner ear.
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Cite this page
“Vanner's Sign.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/vanners-sign/