Other Common Knee Problems Patellofemoral Syndrome (also called Chondromalacia, Kneecap problems) Rheumatoid Arthritis Prepatellar Bursitis Osgood-Schlatter's Disease Jumper's Knee or Patellar tendonitis Septic Knee Broken bones around the knee Patellar tendon and quadriceps tendon ruptures Gout Juvenille Rheumatoid Arthritis Baker's Cyst Iliotibial Band Syndrome (IT Band Syndrome) Pes Anserine (Goosefoot) Bursitis Other