23rd December 2021

A 38-year-old woman presents to A&E with a 2-week history of worsening bilateral flank pain

A 38-year-old woman presents to A&E with a 2-week history of worsening bilateral flank pain. She has associated nausea and has noticed her urine is pink. Urine dipstick confirms the presence of haematuria. Her medical history includes antiphospholipid syndrome. What would be the gold standard investigation to perform?

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