A 12-year-old girl is brought to the clinic for evaluation of hip pain.

A 12-year-old girl is brought to the clinic for evaluation of hip pain. She describes the pain as dull, non-radiating and aching pain of the left hip that is increased with physical activity and slightly relieved with rest. The pain has been intermittent for the past 2 months. She reports no trauma. On physical exam, weight is at the 95th percentile, the left anterior hip is tender to palpation, and there is decreased internal rotation, abduction, and flexion of the left hip. The rest of the examination is normal. Radiographs include the image shown above. Which of the following is the best next step in management? Advise rest and close follow-up Obtain magnetic resonance imaging Prescribe an anti-inflammatory medication Refer to an orthopedic surgeon