Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 22, Issue 18, Pages -Publisher
MDPI
DOI: 10.3390/ijms22189694
Keywords
vitamin B-12; megaloblastic; neurological disorders; thrombosis
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Vitamin B-12 deficiency presents with diverse symptoms affecting multiple tissues and organs, making its diagnosis and investigation methods challenging; prompt therapy can easily achieve reversal of the deficiency; case reports contribute to in-depth research of this condition.
In the era of evidence-based medicine, the randomized clinical trial corresponds to the top step in the qualitative scale of the evidence available in the literature, while small series of cases or the description of individual cases occupy the last place. However, the latter represent an important part of clinical practice and have significantly influenced the evolution of medicine, contributing significantly to the advancement of scientific knowledge. Vitamin B-12 deficiency shares several common symptoms that affect several tissues and organs with health aliments, so its diagnosis could be unobvious for the broad array of its effects and investigation methods used. In this review, we focused our attention on some case reports related to the vitamin B-12 deficiency associated to anemia, neurologic disorders, and hyperhomocysteinemia. B-12 deficiency reversal is simply achieved by prompt therapy, even though it is not the same for several disorders.
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