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Background The fabella is a sesamoid bone in the posterolateral capsule of the human knee joint. The presence of the fabella in humans varies widely and is reported in the literature to range from 20% to 87% [1-7]. The fabella is located in the posterior aspect of the knee where lines of tensile stress intersect.Can Fabella cause posterolateral knee pain?
Posterolateral knee pain can be associated with the presence of a fabella and this incidence may be referred to as a fabella syndrome. The syndrome should be considered when tenderness is found over the posterior aspect of the lateral femoral condyle. Clinically Relevant Anatomy[edit| edit source] FabellaWhat is the meaning of Fabella?
The Latin word faba means bean and '-ella' is a Latin diminutive suffix, thus fabella means a little bean. It is a small sesamoid bone found in some mammals embedded in the tendon of the lateral head of the gastrocnemius muscle behind the lateral condyle of the femur. It is an accessory bone, an anatomical variation present in 39% of humans.What is Fabella syndrome post TKA?
Fabella syndrome has been identified as an uncommon, but relevant, a cause of pain post-TKA due to mechanical irritation of the posterolateral tissues of the knee. The symptoms of fabella syndrome are posterolateral pain and a catching sensation (or clicking sound) with knee flexion.