منابع مشابه
Vitamin B12 Deficiency
Functional vitamin B12 deficiency is a syndrome where a wide variety of symptoms in the presence of “normal” serum levels of the vitamin respond to vitamin B12 therapy. A series of patients with functional vitamin B12 deficiency are described whose presenting features were drenching night sweats and fatigue. Reliance on serum vitamin B12 levels as a diagnostic test would have obscured the cause...
متن کاملVitamin B12 deficiency.
Patients with subacute combined degeneration who smoked had significantly lowered plasma thiocyanate levels than control smokers, but plasma thiocyanate levels in non-smoking patients with neurological disease due to vitamin B1, deficiency were not significantly different from control values. The results provide no support for the hypothesis that chronic cyanide intoxication is responsible for ...
متن کاملVitamin B12 deficiency.
Haematology, Guy’s and St Thomas’ NHS Foundation Trust, London, UK Correspondence to: A Hunt [email protected] Cite this as: BMJ 2014;349:g5226 doi: 10.1136/bmj.g5226 Vitamin B12 is an essential cofactor that is integral to methylation processes important in reactions related to DNA and cell metabolism, thus a deficiency may lead to disruption of DNA and cell metabolism and thus have serious c...
متن کاملSevere vitamin B12 deficiency mimicking thrombotic thrombocytopenic purpura.
A previously healthy 43-year-old man with chronic alcoholism presented to a rural medical center with a 2-week history of confusion, fever, dyspnea, dizziness, and fatigue associated with diarrhea and hematochezia. Laboratory results were notable for a platelet count of 19 3 10/L, hemoglobin of 5.0 g/dL, hematocrit of 15.1%, white blood cell count of 3.2 3 10/L, a reticulocyte count of 5.9%, me...
متن کاملSevere vitamin B12 deficiency in a 7-month-old boy.
Introduction Vitamin B12 defi ciency in infants can result in profound and permanent health consequences. Prevention, early diagnosis and early treatment are crucial to ensure a better outcome for those affected.1 However, the symptoms of vitamin B12 defi ciency in infants can be non-specifi c, leading to delayed or missed diagnosis. Vitamin B12 (cobalamin) is a water-soluble vitamin found natu...
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ژورنال
عنوان ژورنال: Medicina Fluminensis
سال: 2019
ISSN: 1848-820X,1847-6864
DOI: 10.21860/medflum2019_221625