Our standard knee series includes a lateral view, 45° PA Flexion Weight-bearing, and Bilateral Sunrise view. All of these are listed below with examples and a description of how to shoot them.
Lateral View
Position: Patient lies on affected side, knee flexed 20-30 degrees
Tube: Cephalad 5-10 degrees
Demonstrates:
- Patella
- Distal femur
- Proximal tibia and fibula
45 Degree PA Flexion Weight-Bearing
Position: Standing with knees flexed 45 degrees
Tube: Caudal 10 degrees
Demonstrates:
- Assessment of joint space narrowing
- Distal femur
- Proximal tibia and fibula
Bilateral Sunrise
Position: Knees flexed
Tube: Cephalad with central ray perpendicular to patellofemoral joint
Demonstrates:
- Patella
- Anterior femoral condyles
- Intercondylar sulci