Borsari's sign

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Borsari's sign
Differential diagnosisScarlet fever

Borsieri's sign or Borsieri'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.[1][2] It was first described by French physician Giovanni Battista Borsieri de Kanifeld [it].[2]

References