10-year-old female patient with pain in the right hip for 3 years, evaluate for impingement. ACETABULAR LABRUM: The acetabular labrum appears intact for nonarthrographic technique.ARTICULAR CARTILAGE AND BONE: The marrow signal appears appropriate for age. There is physiological fluid in the bilateral hip joints.SOFT TISSUES: There is muscle edema of the obturator externus near the right ischium at the myotendinous junction, indicating muscle strain. There is no muscle atrophy. The tendinous insertions of the adductors, hamstrings, and gluteal muscles are intact. The sciatic nerve appears normal without entrapment. There is trace fluid in the pelvis, which may be physiologic.ADDITIONAL
Strain of the obturator externus muscle.