Abadie's sign of tabes dorsalis
Abadie's Sign of Tabes Dorsalis
Abadie's sign of tabes dorsalis (pronunciation: a-ba-dee's sign of tabes dor-sa-lis) is a clinical sign in neurology, named after the French neurologist Jean Alfred Émile Abadie. It is often associated with tabes dorsalis, a form of neurosyphilis, which affects the dorsal columns of the spinal cord.
Etymology
The term is named after Jean Alfred Émile Abadie, a French neurologist who first described the sign. 'Tabes dorsalis' is derived from Latin, where 'tabes' means wasting and 'dorsalis' refers to the dorsal or back part of the body.
Definition
Abadie's sign of tabes dorsalis is characterized by the absence of pain sensation in the Achilles tendon during firm compression. This is due to the degeneration of the sensory neurons in the dorsal columns of the spinal cord, a characteristic feature of tabes dorsalis.
Related Terms
- Tabes dorsalis: A form of neurosyphilis, which results in the progressive degeneration of the dorsal columns of the spinal cord.
- Neurosyphilis: A neurological complication of syphilis, a sexually transmitted infection caused by the bacterium Treponema pallidum.
- Achilles tendon: A tendon located at the back of the lower leg, connecting the calf muscles to the heel bone.
- Dorsal columns: Part of the white matter of the spinal cord, responsible for carrying sensory information from the body to the brain.
See Also
References
- Abadie J. Les lésions du tendon d'Achille dans le tabes. Revue de médecine. 1895;15:785–801.
External links
- Medical encyclopedia article on Abadie's sign of tabes dorsalis
- Wikipedia's article - Abadie's sign of tabes dorsalis
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