Understanding Knee Posterolateral Corner Injuries

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  • Understanding Knee Posterolateral Corner Injuries

The Posterolateral corner and Anterolateral corner comprises of a group of ligaments as enlisted below :

  • Lateral collateral ligament
  • Popliteus tendon
  • Popliteo- fibular ligament
  • Arcuate ligament
  • Posterolateral corner capsule
  • Biceps femoris tendon
  • Oblique popliteal ligament
  • Fabello fibular ligament

Biomechanically posterolateral corner is the primary restraint for varus stress and hyperextension stress over the knee joint   

Causes of Posterolateral Corner Tear
Complications of Untreated Posterolateral Corner tear

Treatment of Posterolateral Corner tear

Over the recent years, lot many advances are made in the treatment of Posterolateral Corner Tear . The type of treatment offered depends on many factors and no single method is the best! Your Joint specialist who is trained in all modalities can guide you to choose the best possible treatment or you !

1. Medicines and Knee physiotherapy

Partial and Grade 1 tears , Posterolateral Corner swelling and no other co- ligament injuries can be treated conservatively with nsaids and Knee physiotherapy.

2. Acute Repairs

If the injury is diagnosed in the early stage then the gold standard treatment is Acute Repair, the torn ligamentous tissues are sutured back to the bony attachments using fiberwire sutures, latest and strongest suture pull out technique , or the recent advancements like Suture tapes and Tissue augments

3. La-Prade PLC Reconstruction

If the injury is diagnosed in the chronic stage when the ideal window of surgical repair is gone , then the gold standard surgical treatment is La – prade PLC Reconstruction surgery.

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    FAQ’S

    Frequently Ask Questions

    Knee ligament injuries like ACL, PCL, MCL, and meniscus tears are commonly caused by sports injuries, road traffic accidents, falls from height, degenerative changes, or inflammatory conditions.

    Partial and stable tears can often be treated with medicines and physiotherapy. However, complete or unstable tears may require arthroscopic repair or reconstruction for proper stability and long-term joint protection.

    Arthroscopic surgery is a minimally invasive procedure performed using small incisions and a camera to repair or reconstruct damaged ligaments or tendons, allowing faster recovery and minimal scarring.

    Treatment depends on severity. Mild cases may improve with medicines and physiotherapy, while severe or chronic tears may require arthroscopic repair or advanced procedures like reconstruction or shoulder replacement.

    Frozen Shoulder (Adhesive Capsulitis) is a condition where the shoulder joint becomes stiff and painful due to capsule thickening and inflammation. Early stages can be treated with medicines and physiotherapy. In resistant cases, advanced treatments like hydrodilatation or arthroscopic capsule release may be required.