11th June 2021

A 5-year-old girl presents to the Emergency Department following a week of pain around her left hip

A 5-year-old girl presents to the Emergency Department following a week of pain around her left hip. Her father reports that she has otherwise been well and that she has not had a fever. On examination, she refuses to walk, claiming that it is ‘too painful’, and her father mentions that she had been walking with a limp over the past week. The range of movement of the left hip is reduced.

What is the first-line investigation?

Select the SINGLE most appropriate option from the list below. Select ONE option only.