Infrapatellar fat pad

Infrapatellar fat pad
Cross section of the human knee
Details
Identifiers
LatinCorpus adiposum infrapatellare
TA98A03.6.08.018
TA21908
FMA58772
Anatomical terminology

The infrapatellar fat pad (Hoffa's fat pad) is a cylindrical piece of fat that is situated inferior and posterior to the patella bone within the knee, intervening between the patellar ligament and synovial fold of the knee joint.

Clinical significance

The fat pad is a normal structure but it can sometimes become a problem:

  • It can become damaged and painful
  • It can be deliberately removed at arthroscopic surgery to make it easier for the surgeon to see what they are doing - but this can also lead to scarring and pain.
  • It can become hypertrophic and may become impinged between the patella and the femoral condyle, causing sharp pain when the leg is extended. This is called infrapatellar fat pad syndrome or Hoffa syndrome.
  • It can become involved in the process of arthrofibrosis and become scarred (fibrotic) and contracted, pulling the patella down into an abnormally low position.

This page was last updated at 2024-02-14 17:49 UTC. Update now. View original page.

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