A child of 15 years old, an athlete (rugby), with complaints of pain in his right knee. In the area of lateral meniscus / ligaments, a small amount of the liquid is visualized, more on the right (synovitis? - there is no video, the pictures are not particularly interesting - there is little liquid). In the projection of the distal part of the left patellar ligament and the tuberosity of the left tibia, hyperechoic structures are visualized (Schlatter' s disease? - as I understood from a conversation with the patient, the diagnosis was previously noted on the x-ray) external link | 
