Larrey's sign

Larrey's sign is a clinical sign in which patients with sacroiliitis experience pain in the sacroiliac area of the lower back on sitting down suddenly on a hard chair.

The sign is named after Dominique Larrey.[1][2]


  1. Larrey's sign at Who Named It?
  2. D. J. Larrey. Mémoires de chirurgie militaire, et campagnes. 4 volumes. Paris 1812-1817.

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