22nd December 2021

A 42-year-old man, with a history of primary biliary cirrhosis, is found to have nephrocalcinosis on x-ray

A 42-year-old man, with a history of primary biliary cirrhosis, is found to have nephrocalcinosis on x-ray, and is subsequently diagnosed with type 4 renal tubular acidosis. What would you expect his investigations to show?

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