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The suprapatellar plica dividing the suprapatellar recess; The infrapatellar plica, in front of the anterior cruciate ligament, reaches from the intercondylar notch to the infrapatellar fat pad; The medial patellar plica, located adjacent to the patella's medial facet, runs vertically along the medial joint capsule
The most common location of plica tissue is along the medial (inside) side of the knee. The plica can tether the patella to the femur, be located between the femur and patella, or be located along the femoral condyle. If the plica tethers the patella to the femoral condyle, the symptoms may cause it to be mistaken for chondromalacia.
X-ray of the knee of a 12-year-old male, with knee effusion extending into the suprapatellar bursa.. In front, there are five bursae: the suprapatellar bursa or recess between the anterior surface of the lower part of the femur and the deep surface of the quadriceps femoris. [2]
X-ray of the knee of a 12-year-old male, showing knee effusion of medium severity, marked by black arrows. It displaces the patella anteriorly and extends into the suprapatellar bursa. An X-ray is useful to verify that there is no break or dislocation when there is a history of trauma. May show signs of osteoarthritis.
Damage to the saphenous nerve and its infrapatellar branch is possible during medial knee surgery, potentially causing numbness or pain over the medial knee and leg. [7] As with all surgeries, there is a risk of bleeding, wound problems, deep vein thrombosis , and infection that can complicate the outcome and rehabilitation process.
Patients will typically present with pain at the medial knee when climbing stairs, rising from chairs or sitting with legs crossed. The site is sometimes swollen, but not always. The likelihood of per anserine bursitis is increased in patients with osteoarthritis. Sometimes they report weakness or decreased range of motion.
Patellar subluxation syndrome is an injury involving the kneecap.Patellar subluxation is more common than patellar dislocation and is just as disabling. [1]In this condition, the patella repetitively subluxates and places strain on the medial restraints and excessive stress/tension on the patellofemoral joint.
Symptoms include pain in the front of the knee. [1] Typically the pain and tenderness is at the lower part of the kneecap, though the upper part may also be affected. [2] Generally there is no pain when the person is at rest. [2] Complications may include patellar tendon rupture. [2] Risk factors include being involved in athletics and being ...