From Wikipedia, the free encyclopedia
Borsari's sign or Borsari's line is a dermatological sign that consists of pressure by a sharp object (such as a fingernail) producing a white line on the skin that quickly turns red. It is present in scarlet fever.
Further reading 
- White FA (2009). Physical signs in medicine and surgery: an atlas of rare, lost and forgotten physical signs. Ocala, FL: Museum Press. ISBN 1441508287.
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