29th September 2020

A 23-year-old male presents to you, his GP, with a 4-month history of lower back pain

A 23-year-old male presents to you, his GP, with a 4-month history of lower back pain of increasing severity. He is finding it difficult to tie his shoelaces, having to use a chair or steps to aid him, particularly in the morning. His symptoms improve as the day progresses. He has a past medical history of asthma and ulcerative colitis. His GP gives a provisional diagnosis of mechanical back pain and prescribes physiotherapy and pain relief.

For the patient above, please select the SINGLE most likely finding on imaging. Select ONE option from the list above.