Villonodular Synovitis of the Lower Leg and Knee

Definition:
Proliferation of synovial tissue of the head neck and spine, composed of synovial villi and fibrous nodules infiltrated by giant cells and macrophages.
Symptoms:
  • Swelling in the knee
  • Pain in the knee, especially with movement
  • Sudden onset
  • Loss of ROM in the knee
  • Knee feels warm to touch
Causes:
  • Idiopathic
Treatment:
  • ROM and stretching
  • Lower extremity strengthening
  • Possible surgical intervention
  • Core stabilization exercises