Tinel's sign


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Tinel's sign

 [tin-elz´]
a tingling sensation in the distal end of a limb when percussion is made over the site of a divided nerve; it indicates a partial lesion or the beginning regeneration of the nerve.

Tinel's sign

[tinelz′]
Etymology: Jules Tinel, French neurosurgeon, 1879-1952
an indication of irritability of a nerve; a distal tingling sensation on percussion of a damaged nerve. The sign is often present in carpal tunnel syndrome and is produced by tapping over the median nerve on the volar aspect of the wrist.
References in periodicals archive ?
As noted above though specificity of Tinel's sign is high, the sensitivity is not; hence, the author has attempted to increase the sensitivity also by adding tourniquet test and Tinel's with tourniquet test to the former to make a series of three tests in continuum.
These tumors are transversely mobile and longitudinally immobile, have a positive Tinel's sign, and exertional dysathesias or pain.
Percussion of the posterior tibial nerve (Tinel's sign) may cause parethesias along the course of the nerve, (3,8,9) with one study reporting that Tinel's sign is positive in only 67% of cases.
Sensitivity of the scratch-collapse test in subjects with carpal tunnel syndrome was 75%, compared with 37% for Tinel's sign and 47% for Phalen's test.
Using various methods for assessment, including two-point discrimination tests, monofilaments, vibratory stimuli, Tinel's sign, ninhydrin, and electrodiagnostic tests, nerve recovery occurs in a predictable, orderly fashion.
In the posttraining screening examination, the following subjects had findings on the physical examination to suggest median or ulnar abnormalities: subject 7 had a positive Tinel's sign over the median nerve at the wrist in both hands (median, pretraining finding); subject 8 had a positive Tinel's sign over the left ulnar nerve at the elbow and wrist (ulnar, pretraining finding) and decreased sensation to light touch and pain in the palmar surface of left D5 (ulnar, new); subject 11 had a positive Tinel's sign over the right median nerve at the wrist (median, new); and subject 12 had decreased sensation to the palmar aspect of the left D5 (ulnar, new).
1,13) Tinel's sign (pain created by percussion over the area of the femoral nerve) will be positive over the inguinal ligament.
Neurosensory testing with a pressure-specified sensory device had been used to document sensory abnormalities in these patients, and examination revealed a positive Tinel's sign over the involved nerve, indicating nerve irritation.