Jean Casimir Félix Guyon, Date of Birth, Place of Birth, Date of Death
TweetJean Casimir Félix Guyon
French urologist
Date of Birth: 
Place of Birth: Saint-Denis, Réunion, France
About Jean Casimir Félix Guyon
- Jean Casimir Félix Guyon (21 July 1831 – 2 August 1920) was a French surgeon and urologist born in Saint-Denis, Ile-Bourbon (Réunion). He studied medicine in Paris, receiving his doctorate in 1858.
- He was appointed médecin des hôpitaux in 1864, and was later a professor of surgical pathology (from 1877) and genitourinary surgery (from 1890) at the University of Paris.
- In 1878 he became a member of the Académie de Médecine.
- At Hôpital Necker he held clinics that were attended by students worldwide In 1907, he along with urologists from Europe, the United States and South America established the Association Internationale d'Urologie.
- In 1979 he was commemorated on a postage stamp, issued by France on the occasion of the 18th Congress of the Association Internationale d'Urologie, held in Paris.
- The Hôpital Félix Guyon, located in Saint-Denis, Réunion, is named in his honour.Although he was primarily known for work with genitourinary anatomy, Guyon is credited with the discovery of the ulnar canal at the wrist.
- This canal channels blood vessels and the ulnar nerve from the forearm to the hand, and is now known as Guyon's canal.
- Ulnar nerve compression at this location is sometimes referred to as "Guyon's tunnel syndrome".
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