Tinel's sign
Tinel's sign (also Hoffmann-Tinel sign) is a way to detect irritated nerves. It is performed by lightly tapping (percussing) over the nerve to elicit a sensation of tingling or "pins and needles" in the distribution of the nerve. Percussion is usually performed moving distal to proximal. It is named after Jules Tinel.
| Tinel's sign | |
|---|---|
| Transverse section across the wrist and digits. (The median nerve is the yellow dot near the center. The carpal tunnel is not labeled, but the circular structure surrounding the median nerve is visible.) | |
| Specialty | Neurology, Plastic surgery |
| Differential diagnosis | Peripheral neuropathy, Radiculopathy, Plexopathy |
It is a potential sign of carpal tunnel syndrome, cubital tunnel syndrome, anterior tarsal tunnel syndrome and symptomatic neuroma.
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