RefHelp - NHS Ayrshire and Arran
Signs & symptoms
- Typically unilateral medial
- Sudden onset of severe knee pain
- Effusion
- Limited joint range of motion
- Most commonly affects medial condyle
- Tenderness along joint line
- Pain at night and on weight bearing
Risk factors
- Female> males over 60
- Secondary osteonecrosis- risk factors as avascular necrosis (AVN)
- Third type- post-arthroscopic.