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
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 Ligaments
Knee Ligaments
Knee Ligaments
Knee Ligaments
Knee Menisci
• Medial Meniscus
• Lateral Meniscus
Knee Menisci
Knee Menisci
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
• http://www.ultrasoundpaedia.com/normalknee/
• 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