Magnan's sign
Magnan's sign is a clinical sign in medicine, specifically in neurology, that is used to diagnose Charcot-Marie-Tooth disease. It is named after the French psychiatrist Valentin Magnan.
Pronunciation
The term is pronounced as "Mag-nan's sign".
Etymology
The sign is named after Valentin Magnan, a French psychiatrist who made significant contributions to the field of neurology.
Definition
Magnan's sign is a clinical sign characterized by the inability to maintain balance when standing with feet together and eyes closed. It is a positive sign in patients with Charcot-Marie-Tooth disease, a genetic disorder that affects the peripheral nerves.
Related Terms
- Charcot-Marie-Tooth disease: A genetic disorder that affects the peripheral nerves, leading to muscle weakness and atrophy, and sensory loss.
- Romberg's sign: A similar clinical sign used to diagnose sensory ataxia.
- Neurology: The branch of medicine dealing with disorders of the nervous system.
- Peripheral nerves: The nerves outside the brain and spinal cord.
See Also
External links
- Medical encyclopedia article on Magnan's sign
- Wikipedia's article - Magnan's sign
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