Masked vitamin B12 deficiency in pernicious anaemia: A diagnostic trap due to assay interference—Case report

Masked vitamin B12 deficiency in pernicious anaemia: A diagnostic trap due to assay interference—Case report

<p dir="ltr">Megaloblastic anaemia is mainly caused by vitamin B12 or folate deficiency. However, rare cases present with discordant laboratory findings, particularly falsely elevated vitamin B12 levels due to assay interference from anti-intrinsic factor antibodies, complicating dia...

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Bibliographic Details
Main Author: Mohammed Abdulgayoom (14777791) (author)
Other Authors: Elabbass Abdelmahmuod (14777287) (author), Abdulrahman F. Al-Mashdali (17148316) (author), Yara R. Abuazab (22997233) (author), Aliaa Amer (14150418) (author), Ibrahim Ganwo (22928656) (author), Shehab Mohamed (12241364) (author)
Published: 2025
Subjects:
Biomedical and clinical sciences
Cardiovascular medicine and haematology
Nutrition and dietetics
megaloblastic anaemia
B12 deficiency
pernicious anaemia
anti-intrinsic factor antibody
assay interference
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