Kager’s Triangle Fat Pad

Kager’s Triangle Fat Pad Inflammation and Edema

Kager’s Triangle Fat Pad: This fat pad can have inflammation and edema develop. The most common cause is Achilles tendonitis or even more SEVERE damage.

What Is The Kager’s Triangle Fat Pad?

  • Kager’s fat pad is located above the back of the heel.
  • It is frequently effected by changes to the achilles tendon.
  • It is also effected by changes to the calcaneus & tibia.


Kager’s Fat Pad Edema:

  • Kager’s fad pad edema can occur when there is any damage at all to the Kager’s triangle and the fat pad within this.
  • The fat within this area does not really serve any anatomically purpose and it does not actually get sore by itself.
  • The main problem with this is that as the structures around this get sore you can get some swelling.


Kager’s Fat Pad Inflammation Treatment:

  • The best way to provide Kager’s fat pad inflammation treatment is to correct the problems causing the swelling and inflammation within this structure.
  • The number one most common cause is achilles tendonitis.
  • Wearing proper shoes, proper inserts and proper support can take care of this the quickest.
  • This is also known as heel bursitis, this is something that can very easily be treated.



Kager’s Triangle Fat Pad Has 3 Borders:

  • The calcaneus inferiorly.
  • The achilles tendon posteriorly.
  • The tibia and flexor hallucis longus anteriorly.
  • The retro-calcaneal bursa is sutated in the posterior inferior of the triangle.
Kager's Triangle Fat Pad
Effusion of fluid into the Kager’s Triangle Fat Pad due to Achilles tendinopathy.


Non-Achilles Tendon Changes In Kager’s Triangle Fat Pad:

Decreased appearance in:

  • Posterior ankle joint effusion.
  • Retrocalceanal bursitis, at the posterior inferior corner.
  • Os trigonum syndrome at the posterior talus.
  • Flexor hallucis longus tenosynovitis.
  • Fracture of the calcaneus.
  • Calcaneal bone tumors.
  • Any cortical disruptions in the area.
Kager's Triangle Fat Pad
STIR MRI image of Kager’s Triangle Fat Pad. There is effusion present due to Achilles tendon damage.


Achilles Tendon Changes In Kager’s Triangle Fat Pad:

  • Decreased appearance in:
  • Achilles tendon peritendinitis.
  • Fully ruptured or partially ruptured Achilles tendon.
  • Inflammation or degeneration of the Achilles tendon (tendinosis).
  • Positive Arner’s sign: tendo achilles deviates anteriorly due to rupture.
  • Toygar’s angle decrease: normally 150 degrees, but gets smaller after rupture. The skin becomes more concave and a dell is appreciated.
  • Ossification of the Achilles tendon.


Kager's Triangle Fat Pad
Flexor Hallucis Longus runs right through Kager’s Triangle Fat Pad .


Flexor Hallucis Longus Changes In Kager’s Triangle Fat Pad:

  • Os trigonum syndrome is the most common abnormal condition.
  • This is usually due to micro trauma & chronic inflammation of the cartilaginous synchondrosis.
  • The ossicle may be fractured.
  • This usually shows concurrent inflammation of the FHL.
  • There could also be full tears, partial tears and tenosynovitis.
  • Various sheath tumors are possible as well.


About the author

The Modern Podiatrist (Foot and Ankle Specialist Doctor):Today's podiatrist is required to undergo rigorous medical training that licenses them as physicians with equivalent legal standing to the MD and DO degree (These are physician recognized licenses most common only in the USA). Although admittedly the training does differ between the three degrees. The differences are listed below.In Michigan Podiatrists are trained and authorized to perform surgery in the foot and ankle up to the tibial tubercle below the knee.All our podiatrists and foot doctors have undergone rigorous training including a 4 undergraduate college degree, writing the medical school entrance exam (MCAT), followed by a 4 year medical school degree (DPM - Doctor of Podiatric Medicine),Once podiatrists in the USA complete the rigorous 4 year medical school courses, they are required to complete a minimum of 3 years of a surgical and non-surgical residency program. Some podiatrists and foot doctors then choose to go on to further fellowship training specializing in various forms of specialty such as diabetic surgery or reconstructive foot and ankle surgery.The training is not over yet! Each podiatrist must be judged by a governing body where they submit their surgical cases and are reviewed regularly to ensure excellent results. This is a career long evaluation with board qualifications and certifications every few years.So have faith that today's podiatrist is your best choice for your foot and ankle problems! We are able to approach you foot and ankle problems from a non-surgery perspective, but that when necessary we can provide you with the treatment that you need!All articles written by this account are considered to be for educational purposes only. It is impossible for us to truly assess your condition and the advice we give here is meant to give you a basis to then follow up with your podiatrist and foot doctor later.If you have any questions at all, or there is anything that we can help you with, please feel free to contact our office or email us. Podiatrists provide medically necessary treatment which should be covered by valid insurance plans, we are not a cosmetic or elective medical specialty.