Hyposphagma as a manifestation of nutritional severe vitamin B12 deficiency anemia

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Abstract

Vegetarianism and veganism are very popular, and although these diets may be associated with certain health benefits, the low bioavailability of some micronutrients in plant foods can lead to the risk of their deficiency in the body, which makes it necessary to adequately plan such diets. Vitamin B12 is absorbed by humans exclusively from food of animal origin; therefore, vegans as well as anyone who significantly limits the consumption of animal products need vitamin complexes enriched with vitamin B12. This article discusses a clinical case of severe nutritional B12 deficiency anemia in a young patient at risk (a vegan) with rare hemorrhagic manifestation as hyposphagma (subconjunctival hemorrhage).

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About the authors

Vasily S. Chulkov

Institute of Medical Education of Yaroslav the Wise Novgorod State University

Author for correspondence.
Email: vschulkov@rambler.ru
ORCID iD: 0000-0002-0952-6856

MD, professor of the Department of internal diseases of the Institute of Medical Education, Yaroslav the Wise Novgorod State University

Russian Federation, Veliky Novgorod

Tatyana I. Okonenko

Institute of Medical Education of Yaroslav the Wise Novgorod State University

Email: Tatiana.okonenko@novsu.ru
ORCID iD: 0000-0002-7431-3777

MD, head of the Department of general pathology of the Institute of Medical Education, Yaroslav the Wise Novgorod State University

Russian Federation, Veliky Novgorod

Egor E. Rumyantsev

Institute of Medical Education of Yaroslav the Wise Novgorod State University

Email: Egor.Rumyantsev@novsu.ru

senior lecturer at the Department of general pathology of the Institute of Medical Education, Yaroslav the Wise Novgorod State University

Russian Federation, Veliky Novgorod

Svetlana V. Zhmaylova

Institute of Medical Education of Yaroslav the Wise Novgorod State University

Email: svetlana.zhmaylova@novsu.ru
ORCID iD: 0000-0002-7754-5338

MD, head of the Department of additional professional education and polyclinic therapy, Yaroslav the Wise Novgorod State University

Russian Federation, Veliky Novgorod

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