DDx Anterior Knee Pain
Plica
Jumper's knee / Tendonitis
Bursitis
- prepatellar most common
- Pes anserinus
Excessive Lateral Pressure Syndrome / Patella Tilt
Hoffa's Disease / Fat Pad Syndrome
ITB Syndrome
RSD
Others
- RA
Plica
Jumper's knee / Tendonitis
Bursitis
- prepatellar most common
- Pes anserinus
Excessive Lateral Pressure Syndrome / Patella Tilt
Hoffa's Disease / Fat Pad Syndrome
ITB Syndrome
RSD
Others
- RA
Osteochondritis Dissecans
- separation of avascular fragment of bone & cartilage
M : F = 2:1
Mean age 18 years
- can present as young as 9
4:1000
LCL / Popliteus / Popliteofibular ligament
Laprade et al. AJSM 2003
https://pubmed.ncbi.nlm.nih.gov/14623649/
1. Lateral collateral ligament
Femoral attachment
Shoes
Walking aids
Front
Knee alignment
- physiological valgus
Patellar rotation
- squinting (inwards, increased PFA)
- grasshopper eyes (high and lateral)
Swelling
Quads Wasting
Scars