13-year-old male with anterior hip pain overlying the proximal quadriceps. Evaluate for muscular injury. ACETABULAR LABRUM: Although this examination was not protocoled for evaluation of the acetabular labrum, the labrum appears intact.ARTICULAR CARTILAGE AND BONE: Note is made of linear increased signal abnormality traversing the right AIIS at the site of the insertion of the rectus femoris indicating a nondisplaced fracture/avulsion injury. There is increased bone marrow signal abnormality within the AIIS. The tendon of the rectus femoris appears intact.SOFT TISSUES: There is mild peritrochanteric inflammation bilaterally, right greater than left. The remainder of the imaged musculature is normal in appearance.ADDITIONAL
Nondisplaced fracture/avulsion injury of the right AIIS at the insertion site of the rectus femoris. 