Knee pathology / injuries

LCL injuries

For sprain/tear a direct blow to the medial aspect (varus) of the knee will create an opening of the lateral joint space causing a tear or sprain to the CL. 1= stretched 2= partial tear 3= complete tear. Symptoms include swelling to the lateral aspect of

MCL injuries

For sprains/tear a direct blow to the lateral aspect of the knee (valgus) will result in the opening of the medial joint space causing tear or sprain to the CL. Graded 1= stretched 2= partial tear 3= complete tear. Symptoms include popping sound as the CL

lipohaemarthrosis

Defined region of fat floating on top of effusion of blood arising from the bone marrow and damaged vessels during a fracture. Indicated that a fracture communicates with the knee joint.

Menisci tear

In young people usually result of trauma, twisting on slightly flexed knee. In older people usually result of age related degeneration or rough arthritic femoral bone surface tearing into softer meniscus. Large tear inadequately treate -> degenerative (ar

Arcuate sign

Avulsion fracture from head of fibula as a result of avulsion from the arcuate ligament complex. Often subtle fragment but is a significant injury and is associated with ACL ruptures. Injury can occur due to direct blow to tibia on an extended knee or sud