A 9-year-old child was sent for a soft tissues ultrasound of the sternoclavicular joint to the public clinic after consulting of an orthopedist with complaints of a mass in the indicated projection.
In the projection of complaints about a painful mass in the projection of the left sternoclavicular joint on ultrasound, a hypoechoic oval-shaped lesion with hyperechoic dot inclusions is visualized subcutaneously, with an "eye" sign - pushing apart the surrounding tissues with the formation of sharp corners and without clear boundaries in the lateral sections, up to 8 x 3 x 9 mm in size, at CFM without reliable signs of blood flow (differential diagnosis: schwannoma, etc.)
