A 16 year old male who has been treated for acute
lymphoblastic leukaemia and who is in remission presents with an insidious
onset of pain in the left hip.
On examination hip movements are restricted to a minimal
extent but there are no other abnormalities on physical examination.
Which of the following tests is most likely to confirm
Plain x-ray of the hip
MRI of the hip
Serum uric acid
Bone marrow aspiration