USG was done mainly for pre-patellar swelling.
There is pre-patellar fluid collection with septa. It is compressible. Perifocal hypervascularity is noted.
Quadriceps and patellar tendons were normal.
There was no supra-patellar joint effusion.
On medial side of knee, coronal view shows osteophytes from femur and tibia. Medial meniscus is extruded from joint.