Preschooler with a right limp Pediatric Imaging Musculoskeletal December 20, 2019December 13, 2019 Sagittal US of the hips shows a large anechoic fluid collection in the anterior recess of the right femur, which is not present in the left hip. This right hip effusion, when tapped under ultrasound guidance, returned clear fluid. The diagnosis was transient synovitis of hip. Related Published December 20, 2019December 13, 2019
