Differential diagnosis of knee pain

​Differential diagnosis of knee pain 
-fracture 
-patellofemoral syndrome 
-referred pain from back such as sciatica 
-referred pain from hip such as avascular necrosis 
-tumor such as osteosarcoma 
-neuropathic arthropathy / Charcot joint 
-osteochondritis dissecans 
-Osgood Schaltter disease
-medial plica syndrome 
-osteoarthritis 
-rheumatoid arthritis 
-gout 
-pseudogout 
-septic arthritis 
-reactive arthritis / Reiter’s syndrome 
-septic joint such as gonococcal 
-Baker’s popliteal cyst 
-prepatellar bursitis 
-cruciate ligament tear 
-medial or lateral collateral ligament strain or tear 
-meniscus tear 
-anserine bursitis 
-patellar tendinitis 
-iliotibial band syndrome