BASIC ULTRASOUND OF THE KNEE By Mohamed Hassan Youssef MD Arthritis/Rehab&Pain Clinic Board certified of ABPM&R
Knee Joint
Knee Bones Distal end of the Fumer Proximal end of the Tibia Head of the Fibula Patella
Knee Bones
Movement of Patella Upward during Knee Flexion
Knee Bones
Common Knee Ligaments Ant Cruciate Ligament Post Cruciate Ligament Medial Collateral Ligament Lateral Collateral Ligament Arcuate Ligament Coronary Ligament
Knee Ligaments
Knee Menisci Medial Meniscus Lateral Meniscus
Knee Menisci
Knee Bursae Suprapatellar Prepatellar Infrapatellar Pes Anserinus
Knee Bursae Semimembraneusus Bursa
Knee Bursae
US probes commonly used in MSK Linear Curved Linear
Linear probe
Curved Linear probe
Relation of the needle to the US Probe Long Axis Needle can be seen as a metal line approaching The target. Short Axis Needle appear as a metal bright point in the target.
Long Axis
Short Axis
Positioning of the Knee during US guided needle injection 1-put a roll under the knee to keep it in 25 °- 35° of flexion. 2-Use a linear Probe.
US probe position in Knee injection
US of Knee Move the linear probe in midline of the thigh thigh 10 cm above upper edge of patella. Move the probe downward till the lower edge of the probe touch the Upper edge of the patella to elaborate the Quadriceps Tendon
Quadriceps Tendon
Linear probe horizontal
Suprapatellar Bursa
Infrapatellar ligament
Pes Anserine Bursa
References knee/ knee/ Tom Clark Ultrasound course Ultrasound guided Musculoskeletal Procedures
Knee US( Lateral)
Knee US (Medial)
Popliteal Fossa
US probe positioning during knee injection
Injection of Suprapatellar Bursa
Injection of the Knee