Tinel's sign

{{Short description|Medical test to detect nerve inflammation}}

{{Infobox medical condition (new)

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| image = Carpal-Tunnel.svg

| caption = 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.)

| image2 = Tinel's sign.jpg

| caption2 = A photograph conveying Tinel's sign being performed on the left foot to support the diagnosis of morton's neuroma.

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| field = Neurology, Plastic surgery

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| differential = Peripheral neuropathy, Radiculopathy, Plexopathy

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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.{{Citation|last1=Gujar|first1=Bansari|title=81 - Entrapment neuropathies and compartment syndromes|date=2015-01-01|url=http://www.sciencedirect.com/science/article/pii/B9780323091381000814|work=Rheumatology (Sixth Edition)|pages=671–682|editor-last=Hochberg|editor-first=Marc C.|place=Philadelphia|publisher=Content Repository Only!|language=en|isbn=978-0-323-09138-1|access-date=2020-10-29|last2=Flores|first2=Raymond H.|editor2-last=Silman|editor2-first=Alan J.|editor3-last=Smolen|editor3-first=Josef S.|editor4-last=Weinblatt|editor4-first=Michael E.}}{{Citation|last1=Lim|first1=Aymeric Y. T.|title=CHAPTER 14 - Clinical examination and diagnosis|date=2012-01-01|url=http://www.sciencedirect.com/science/article/pii/B9781437705751000149|work=Practical Management of Pediatric and Adult Brachial Plexus Palsies|pages=173–197|editor-last=Chung|editor-first=Kevin C.|place=Philadelphia|publisher=W.B. Saunders|language=en|doi=10.1016/b978-1-4377-0575-1.00014-9|isbn=978-1-4377-0575-1|access-date=2020-10-29|last2=Sebastin|first2=Sandeep J.|editor2-last=Yang|editor2-first=Lynda J. -S.|editor3-last=McGillicuddy|editor3-first=John E.|url-access=subscription}} Percussion is usually performed moving distal to proximal. It is named after Jules Tinel.Tinel, J. (1978) The "tingling sign" in peripheral nerve lesions (Translated by EB Kaplan). In: M. Spinner M (Ed.), Injuries to the Ma jor Branches of Peripheral Nerves of the Forearm. (2nd ed.) (pp 8–13). Philadelphia: WD Saunders CoTinel, J. (1915) Le signe du fourmillement dans les lésions des nerfs périphériques. Presse médicale, 47, 388–389Tinel, J., Nerve wounds. London: Baillère, Tindall and Cox, 1917

It is a potential sign of carpal tunnel syndrome, cubital tunnel syndrome,{{Citation|title=CHAPTER 114 - Cubital Tunnel Syndrome|date=2011-01-01|url=http://www.sciencedirect.com/science/article/pii/B9781437709063001140|journal=Imaging of Pain|pages=289–290|editor-last=Waldman|editor-first=Steven D.|place=Philadelphia|publisher=W.B. Saunders|language=en|doi=10.1016/b978-1-4377-0906-3.00114-0|isbn=978-1-4377-0906-3|access-date=2020-10-29|editor2-last=Campbell|editor2-first=Robert S. D.|url-access=subscription}} anterior tarsal tunnel syndrome{{Citation|title=CHAPTER 164 - Anterior Tarsal Tunnel Syndrome|date=2011-01-01|url=http://www.sciencedirect.com/science/article/pii/B9781437709063001644|journal=Imaging of Pain|pages=421–423|editor-last=Waldman|editor-first=Steven D.|place=Philadelphia|publisher=W.B. Saunders|language=en|doi=10.1016/b978-1-4377-0906-3.00164-4|isbn=978-1-4377-0906-3|access-date=2020-10-29|editor2-last=Campbell|editor2-first=Robert S. D.|url-access=subscription}}{{Citation |last1=Stephen |first1=David J. G. |title=The Ankle and Foot |date=2010-01-01 |work=Fam's Musculoskeletal Examination and Joint Injection Techniques (Second Edition) |pages=89–101 |editor-last=Lawry |editor-first=George V. |url=http://www.sciencedirect.com/science/article/pii/B9780323065047100077 |access-date=2020-10-29 |place=Philadelphia |publisher=Mosby |language=en |doi=10.1016/b978-0-323-06504-7.10007-7 |isbn=978-0-323-06504-7 |last2=Choy |first2=Gregory W. |last3=Fam |first3=Adel G. |editor2-last=Kreder |editor2-first=Hans J. |editor3-last=Hawker |editor3-first=Gillian A. |editor4-last=Jerome |editor4-first=Dana |editor3-link=Gillian Hawker|url-access=subscription }} and symptomatic neuroma.{{Cite journal|last1=Wolvetang|first1=Nicolaas H. A.|last2=Lans|first2=Jonathan|last3=Verhiel|first3=Svenna H. W. L.|last4=Notermans|first4=Bo J. W.|last5=Chen|first5=Neal C.|last6=Eberlin|first6=Kyle R.|date=June 2019|title=Surgery for Symptomatic Neuroma: Anatomic Distribution and Predictors of Secondary Surgery|journal=Plastic and Reconstructive Surgery|language=en|volume=143|issue=6|pages=1762–1771|doi=10.1097/PRS.0000000000005664|pmid=30907815|issn=0032-1052|doi-access=free}}