Inferolateral Window of the Knee (Lateral Eye of the Knee)
This is a supplement to page 57-58 of The Resident’s Manual of Ultrasound-Guided Procedures.
You wouldn’t normally do this injection under ultrasound, but a student asked me if I can show them what it looks like.
At the top of the image:
patella and patellar tendon
infrapatellar fat pad
joint capsule (brightly hyperechoic line at 2.4 cm)
At the bottom of the image:
needle (visible momentarily at 2.7 cm)