31st July 2023

A 64-year-old female presents with fatigue and paraesthesia, and is found to have a macrocytic anaemia

A 64-year-old female presents with fatigue and paraesthesia, and is found to have a macrocytic anaemia secondary to vitamin B12 deficiency. She has a history of bariatric surgery, though she cannot remember which type.

Which type of bariatric surgery most commonly leads to vitamin B12 deficiency?

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