LCL Injury & Posterolateral Corner Injury

In most cases, patients will experience pain, tenderness and swelling at the time of injury. In some cases, an LCL injury can go undiagnosed for several weeks before a patient experiences knee stability from side to side movements. Symptoms of an LCL injury or a posterolateral corner injury may be seen with other knee injuries so it is important to seek medical care at the time of injury or the onset of symptoms.

An LCL/PLC injury is diagnosed by Dr. Waterman through a physical examination and diagnostic tests. Dr.Waterman will manipulate the affected knee into various positions to determine pain level, mobility and range of motion. X-rays will be performed to examine a possible injury to the bone and in certain cases a stress X-ray of both knees will be performed to compare stability. An MRI scan may be performed to determine the extent of damage to the LCL/PLC. 
Treatment of an LCL Injury or Posterolateral Corner Injury

Non-Surgical

An LCL injury may be treated with non-surgical measures if a simple strain or sprain is diagnosed. The RICE method (rest, ice, compression and elevation), bracing, physical therapy and strengthening exercises prove to be beneficial in a non-severe posterolateral corner injury or LCL injury in many cases.

Surgical

If non-surgical measures do not alleviate the symptoms or if an LCL injury is too severe, Dr.Waterman may recommend surgery. He will perform a lateral knee reconstruction, either arthroscopically or open surgery, to replace the damaged ligament with a graft. Most commonly, a donor tendon (allograft) is used to reconstruct and augment the torn structures. The graft is attached to the native anatomic insertion sites of the lateral structures most commonly using screws. All three structures involved in a posterolateral corner injury must be addressed and returned to their original anatomy. If other ligaments are injured, they will be repaired during the same procedure.