uk-plab-1 MCQ (SBA): Vitamin B12 deficiency – pernicious anaemia

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ModerateHaematologyVitamin B12 deficiency – pernicious anaemiauk-plab-1

A 45-year-old woman presents with progressive fatigue, paresthesia in her feet and a smooth, sore tongue. Blood tests show macrocytic anaemia with low vitamin B12 and normal folate. She is not vegetarian. What is the most likely underlying cause?

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uk-plab-1 MCQ: Vitamin B12 deficiency – pernicious anaemia — Answer &