Template:Knee Pain DDX
From WikiMSK
Differential Diagnoses
Focal anterior
- Patellar tendinopathy or tear
- Quadriceps tendinopathy or tear
- Hoffa's Fat Pad Impingement
- Prepatellar/infrapatellar bursitis
- Osgood-schlatter
- Sinding-Larsen Syndrome
Vague or diffuse anterior
- Patellofemoral Pain Syndrome
- Osteoarthritis exacerbation
- Patellar dislocation or subluxation
- Referred hip pain
- Avascular necrosis
- Patellar Stress Fractures
- Anterior cruciate ligament tear
- Osteochondral defect
- Posterior cruciate ligament tear
- Tibiofemoral dislocation
Medial
- Medial meniscal tear
- MCL tear
- Medial Plica Syndrome
- Pes anserine bursitis/tendinopathy
- Osteoarthritis exacerbation
- Saphenous nerve entrapment
Lateral
- Lateral meniscus tear
- Posterolateral corner injury
- Patellar dislocation or subluxation
- Lateral collateral ligament tear
- Iliotibial Band Syndrome
- Osteoarthritis exacerbation
- Osteochondral lesion lateral femoral condyle
- Popliteus Tendinopathy
- Biceps Femoris Tendinoapthy
- Semimembranosus Tendinopathy/bursitis
- Fibula head fracture
- Proximal Tibiofibular Joint Instability
- Snapping Biceps Femoris and Popliteus Tendons
- Peroneal Nerve Compression/Neuritis
Posterior
- Baker's or popliteal cyst
- Popliteus Tendinopathy
- Popliteal artery aneurysm
- Popliteal artery entrapment
- Posterior capsule tear
- Posterior cruciate ligament tear
- Tibiofemoral dislocation
Effusion present without trauma
- Osteochondral injury
- Osteoarthritis exacerbation
- Rheumatological disease (gout, RA, psoriatic arthritis)
- Septic arthritis