The FBI sign is an acronym referring to the components that form a lipohaemarthrosis. It stands for:

  • fat
  • blood
  • interface
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Article Information

rID: 7510
Section: Signs
Tag: stub
Synonyms or Alternate Spellings:
  • Fat blood interface sign

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    FBI sign
    Case 1 : lipohaemarthrosis of the knee - FBI sign
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    Case 2
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    Case 3 : ultrasound in patellar fracture
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