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B12 anemia

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https://www.readbyqxmd.com/read/28073728/biermer-anemia-hematologic-characteristics-of-66-patients-in-a-clinical-hematology-unit-at-senegal
#1
F Seynabou, N Fatou Samba Diago, D Oulimata Diop, S Abibatou Fall, D Nafissatou
Hematological manifestations can lead to diagnosis of pernicious anemia, also known as Biermer disease and Biermer anemia. This disease has been little studied among black Africans. Our aim is to describe its diagnostic and therapeutic aspects and outcome in our practice. This descriptive study retrospectively examined the records of 66 patients with pernicious anemia seen at the Clinical Hematology Unit of Le Dantec Hospital in Senegal from January 1, 2000, to June 30, 2014. Symptoms were anemic syndrome (40 cases), hemolytic anemia (13), anemic heart failure (7), isolated pallor of the mucous membranes (5), and venous thrombosis (2)...
November 1, 2016: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/28060111/frequent-infections-hypotonia-and-anemia-in-a-breastfed-infant
#2
Fatma Kamoun, Rime Guirat, Fatma Megdich, Salma Ben Ameur, Choumous Kallel, Mongia Hachicha
Vitamin B12 deficiency may be responsible of serious hematologic and neurodevelopmental abnormalities. We report the case of an infant who was hospitalized because of recurrent infections, failure to thrive, hypotonia, and weakness. He was 8 months old and had been exclusively breastfed. Blood cell count showed pancytopenia with megaloblastic bone marrow. The serum IgG concentration was low. Vitamin B12 level was very low and associated with increased urinary methylmalonic acid. Cobalamin deficiency was caused by mother's unrecognized pernicious anemia...
January 5, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28050349/intra-abdominal-abscesses-by-lactococcus-lactis-ssp-cremoris-in-an-immunocompetent-adult-with-severe-periodontitis-and-pernicious-anemia
#3
Konstantinos Fragkiadakis, Petros Ioannou, Emmanouil Barbounakis, George Samonis
We report the case of an immunocompetent man who presented with fever and abdominal pain and was found to have a hepatic abscess and a peri-renal abscess with a computerized tomography scan. The hepatic abscess was drained percutaneously and cultures revealed the presence of Lactococcus lactis that was sensitive to penicillin. The patient was successfully treated with ceftriaxone and metronidazole with resolution of the abscesses. Further work-up revealed atrophic gastritis, vitamin B12 deficiency, periodontitis and gingivitis, suggesting a possible site of entry for the development of the abscesses...
2017: IDCases
https://www.readbyqxmd.com/read/28045688/pseudo-thrombotic-thrombocytopenic-purpura-due-to-severe-vitamin-b12-deficiency
#4
Paul A Trubin, Justin A Edward, Monica Hand
As a subset of microangiopathic hemolytic anemia, thrombotic thrombocytopenic purpura can present with a constellation of symptoms similar to the hemolytic anemia attributed to severe vitamin B12 deficiency. There have been few case reports in the medical literature concerning the development of a clinical syndrome consistent with microangiopathic hemolytic anemia attributable to B12 deficiency. We report a case of B12 deficiency leading to microangiopathic hemolytic anemia that was corrected solely with a ten-day course of intramuscular cobalamin replacement...
November 2016: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28031855/neurologic-symptoms-as-the-only-manifestation-of-b12-deficiency-in-a-young-patient-with-normal-hematocrit-mcv-peripheral-blood-smear-and-homocysteine-levels
#5
Panagiota Voukelatou, Ioannis Vrettos, Andreas Kalliakmanis
B12 deficiency is associated with several neurological manifestations. It is well documented that neurologic symptoms due to B12 deficiency may sometimes present in the absence of anemia. However, in most cases there are several indicating factors like megaloblastic changes in complete blood count, hypersegmentated neutrophils or macroovalocytes in peripheral blood smear and abnormal homocysteine levels. In this report, we describe a case of a 32-year-old man with neurological symptomatology as the only manifestation of B12 deficiency with normal hematocrit, mean cell volume, peripheral blood smear and homocysteine levels...
December 2016: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/27982368/nutrition-situation-in-latin-america-and-the-caribbean-current-scenario-past-trends-and-data-gaps
#6
Luis Galicia, Rubén Grajeda, Daniel López de Romaña
Objective: To determine the current nutritional status in Latin America and the Caribbean (LAC) and identify data gaps and trends in nutrition surveillance. Methods: A systematic Internet search was conducted to identify official sources that allowed for monitoring of LAC countries' nutritional status, including progress toward World Health Organization Global Nutrition Targets 2025. Reports from national nutrition surveillance systems and reports on nationally representative surveys were collected and collated to 1) analyze nutritional status, based on life-course anthropometric indicators and biomarkers, and 2) identify gaps in data availability and trends in nutritional deficiencies...
August 2016: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/27942180/imerslund-grasbeck-syndrome-in-a-5-year-old-iranian-boy
#7
K Goudarzipour, N Zavvar, B Behnam, M A Ahmadi
Imerslund-Grasbeck syndrome (IGS) is a rare syndrome characterized by clinical symptoms and signs of Vitamin B12 deficiency and proteinuria. Our patient was a 5-year-old boy with pallor, lack of appetite, and low weight gain. Laboratory studies showed severe macrocytic anemia, normal reticulocyte count, negative direct coombs test, normal osmotic fragility, and autohemolysis test. He has had intermittent proteinuria since 3 years ago despite normal creatinine level and absence of hematuria or hypertension. Finally, based on low level of serum B12 vitamin and normal folate level accompanied by asymptomatic proteinuria, the diagnosis of IGS was made...
November 2016: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/27895843/severe-anemia-in-malawian-children
#8
Job Cj Calis, Kamija S Phiri, E Brian Faragher, Bernard J Brabin, Imelda Bates, Luis E Cuevas, Rob J de Haan, Ajib I Phiri, Pelani Malange, Mirriam Khoka, Paul Jm Hulshof, Lisette van Lieshout, Marcel Ghm Beld, Yik Y Teo, Kirk A Rockett, Anna Richardson, Dominic P Kwiatkowski, Malcolm E Molyneux, Michaël Boele van Hensbroek
BACKGROUND: Severe anemia is a major cause of sickness and death in African children, yet the causes of anemia in this population have been inadequately studied. METHODS: We conducted a case-control study of 381 preschool children with severe anemia (hemoglobin concentration, <5.0 g per deciliter) and 757 preschool children without severe anemia in urban and rural settings in Malawi. Causal factors previously associated with severe anemia were studied. The data were examined by multivariate analysis and structural equation modeling...
September 2016: Malawi Medical Journal: the Journal of Medical Association of Malawi
https://www.readbyqxmd.com/read/27854092/nitrous-oxide-induced-subacute-combined-degeneration-presenting-with-dystonia-and-pseudoathetosis-a-case-report
#9
Hung-Ju Chen, Chih-Shan Huang
PURPOSE: Nitrous oxide (N2O) is neurotoxic by interfering with vitamin B12 bioavailability. The clinical picture is indistinguishable to that of subacute combined degeneration (SCD). A movement disorder might occur though it is not a characteristic feature. We report a patient with N2O-induced SCD, exhibiting a combination of different involuntary movements. CASE REPORT: A 20-year-old woman presented with one month of progressive unsteady gait, involuntary movements and tingling sensation in a stocking-glove distribution...
June 15, 2016: Acta Neurologica Taiwanica
https://www.readbyqxmd.com/read/27843871/reversible-ecchymosis-and-hyperpigmented-lesions-a-rare-presentation-of-dietary-vitamin-b12-deficiency
#10
Hans Raj Pahadiya, Manoj Lakhotia, Sukhdev Choudhary, Gopal Raj Prajapati, Sangeeta Pradhan
A 40-year-old male presented because of generalized weakness, fatigability, and hyperpigmentation with ecchymosis, he was diagnosed to have dietary Vitamin B12 deficiency anemia. The hyperpigmentation and ecchymosis lesions resolved after Vitamin B12 supplementation. Beside hyperpigmented lesion on the skin, the presence of ecchymosis is a very rare manifestation of the disease. Thrombocytopenia in Vitamin B12 deficiency anemia rarely leads to ecchymosis.
April 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/27843799/etiological-causes-of-pancytopenia-a-report-of-137-cases
#11
Osman Yokuş, Habip Gedik
OBJECTIVE: The aim of this study is to evaluate the etiological causes of pancytopenia in patients who were admitted to the hematology ward due to pancytopenia. MATERIALS AND METHODS: All patients who were admitted to the hematology ward of Ministry of Health Istanbul Training and Research Hospital due to pancytopenia between 2013 and 2015 were retrospectively evaluated regarding etiological causes. RESULTS: A total of 137 patients was evaluated...
October 2016: Avicenna Journal of Medicine
https://www.readbyqxmd.com/read/27827854/nutritional-and-micronutrient-status-of-female-workers-in-a-garment-factory-in-cambodia
#12
Jan Makurat, Hanna Friedrich, Khov Kuong, Frank T Wieringa, Chhoun Chamnan, Michael B Krawinkel
BACKGROUND: Concerns about the nutritional status of Cambodian garment workers were raised years ago but data are still scarce. The objectives of this study are to examine the nutritional, hemoglobin and micronutrient status of female workers in a garment factory in Phnom Penh, Cambodia, and to assess if body mass index is associated with hemoglobin and/or micronutrient status. METHODS: A cross-sectional survey was conducted among 223 female workers (nulliparous, non-pregnant) at a garment factory in Phnom Penh...
November 2, 2016: Nutrients
https://www.readbyqxmd.com/read/27825815/anemia-and-hematinic-deficiencies-in-anti-gastric-parietal-cell-antibody-positive-or-all-autoantibodies-negative-recurrent-aphthous-stomatitis-patients
#13
Hung-Pin Lin, Yu-Hsueh Wu, Yi-Ping Wang, Yang-Che Wu, Julia Yu-Fong Chang, Andy Sun
BACKGROUND/PURPOSE: Approximately 13% of recurrent aphthous stomatitis (RAS) patients have serum anti-gastric parietal cell antibody (GPCA) positivity. This study assessed whether serum GPCA or RAS itself was a significant factor causing hematinic deficiencies and anemia statuses in GPCA-positive RAS (GPCA+/RAS) and all autoantibodies-negative RAS (Abs-/RAS) patients. METHODS: The mean corpuscular volume (MCV) and mean blood hemoglobin (Hb), iron, vitamin B12, and folic acid levels were measured and compared between any two of three groups of 31 GPCA+/RAS patients, 240 Abs-/RAS patients, and 342 healthy control subjects...
November 5, 2016: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/27825814/anemia-and-hematinic-deficiencies-in-anti-gastric-parietal-cell-antibody-positive-and-negative-recurrent-aphthous-stomatitis-patients-with-anti-thyroid-antibody-positivity
#14
Yu-Hsueh Wu, Julia Yu-Fong Chang, Yi-Ping Wang, Yang-Che Wu, Hsin-Ming Chen, Andy Sun
BACKGROUND/PURPOSE: Serum anti-gastric parietal cell (GPCA), anti-thyroglobulin (TGA), and anti-thyroid microsomal antibodies (TMA) can be found in some recurrent aphthous stomatitis (RAS) patients. This study mainly assessed whether serum GPCA, TGA, TMA and RAS itself played significant roles in causing anemia and hematinic deficiencies in TGA/TMA-positive RAS patients with GPCA positivity (GPCA+/TGA/TMA/RAS patients) or negativity (GPCA-/TGA/TMA/RAS patients). METHODS: The mean corpuscular volume (MCV) and mean blood hemoglobin (Hb), iron, vitamin B12, and folic acid levels were measured and compared between any two of the four groups of 15 GPCA+/TGA/TMA/RAS patients, 69 GPCA-/TGA/TMA/RAS patients, 240 all autoantibodies-negative RAS patients (Abs-/RAS patients), and 342 healthy control subjects...
November 5, 2016: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/27802920/anemia-and-hematinic-deficiencies-in-gastric-parietal-cell-antibody-positive-and-antibody-negative-erosive-oral-lichen-planus-patients-with-thyroid-antibody-positivity
#15
Julia Y-F Chang, I-Chang Chen, Yi-Ping Wang, Yu-Hsueh Wu, Hsin-Ming Chen, Andy Sun
BACKGROUND/PURPOSE: Serum gastric parietal cell antibody (GPCA), thyroglobulin antibody (TGA), and thyroid microsomal antibody (TMA) are found in some erosive oral lichen planus (EOLP) patients. This study assessed whether serum GPCA, TGA and TMA and EOLP itself played significant roles in causing anemia and hematinic deficiencies in TGA/TMA-positive EOLP patients with GPCA positivity (GPCA(+)/TGA/TMA/EOLP patients) or negativity (GPCA(-)/TGA/TMA/EOLP patients). METHODS: The mean corpuscular volume (MCV) and mean blood hemoglobin (Hb), iron, vitamin B12, and folic acid levels were measured and compared between any two of the four groups of 29 GPCA(+)/TGA/TMA/EOLP patients, 80 GPCA(-)/TGA/TMA/EOLP patients, 198 all antibodies-negative EOLP patients (Abs(-)/EOLP patients), and 218 healthy control individuals...
November 2016: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/27780269/comparative-assessment-of-vitamin-b12-folic-acid-and-homocysteine-levels-in-relation-to-p53-expression-in-megaloblastic-anemia
#16
Manish K Yadav, Nandini M Manoli, SubbaRao V Madhunapantula
BACKGROUND: Megaloblastic anemia (MBA), also known as macrocytic anemia, is a type of anemia characterized by decreased number of RBCs as well as the presence of unusually large, abnormal and poorly developed erythrocytes (megaloblasts), which fail to enter blood circulation due to their larger size. Lack of vitamin-B12 (VB12) and / or folate (Vitamin-B9, VB9) with elevated homocysteine is the key factor responsible for megaloblastic anemia. Prior studies have demonstrated the induction of apoptosis in these abnormal under-developed erythrocytes...
2016: PloS One
https://www.readbyqxmd.com/read/27765664/differentiation-of-pernicious-anemia-from-thrombotic-thrombocytopenic-purpura-the-clinical-value-of-subtle-pathologic-findings
#17
Daniel W Abbott, Kenneth D Friedman, Matthew S Karafin
BACKGROUND: Thrombotic thrombocytopenic purpura (TTP) is a microangiopathic hemolytic anemia that requires emergent treatment with plasma exchange and is one of the most important conditions for which apheresis service professionals are consulted. Careful interpretation of initial laboratory values and the peripheral blood smear is a critical first step to determining the need for plasma exchange because other conditions can show deceptively similar red cell morphology, and ADAMTS13 levels are often not rapidly available...
December 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/27760199/methylfolate-trap-promotes-bacterial-thymineless-death-by-sulfa-drugs
#18
Marissa B Guzzo, Hoa T Nguyen, Thanh H Pham, Monika Wyszczelska-Rokiel, Hieronim Jakubowski, Kerstin A Wolff, Sam Ogwang, Joseph L Timpona, Soumya Gogula, Michael R Jacobs, Markus Ruetz, Bernhard Kräutler, Donald W Jacobsen, Guo-Fang Zhang, Liem Nguyen
The methylfolate trap, a metabolic blockage associated with anemia, neural tube defects, Alzheimer's dementia, cardiovascular diseases, and cancer, was discovered in the 1960s, linking the metabolism of folate, vitamin B12, methionine and homocysteine. However, the existence or physiological significance of this phenomenon has been unknown in bacteria, which synthesize folate de novo. Here we identify the methylfolate trap as a novel determinant of the bacterial intrinsic death by sulfonamides, antibiotics that block de novo folate synthesis...
October 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27743764/-psychomotor-regression-due-to-vitamin-b12-deficiency
#19
J Caltagirone, A Dupont, M Afanetti, E Gondon, D Dupont
The vitamin B12 reserves of newborns are dependent on transplacental transfer and secondarily on food intake. This vitamin is involved in hematopoiesis and in neurological development. We report the case of a severe vitamin B12 deficiency in a 7-month-old infant. A neurological evaluation performed at 5 months of age for psychomotor regression found nonspecific cortical atrophy. The infant was hospitalized for impaired general condition and worsening of neurological symptoms. Examinations revealed bicytopenia with normocytic anemia (Hb: 7...
December 2016: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/27729749/ataxic-gait-following-total-gastrectomy-for-gastric-cancer
#20
Chang Ho Hwang, Dong Jin Park, Gyu Yeol Kim
A 58-year-old woman, who had undergone total gastrectomy for early gastric cancer 9 years previously, visited the outpatient clinic complaining of progressive difficulty in walking for 15 d. Laboratory examinations showed macrocytic anemia and a decreased serum vitamin B12 concentration and increased serum concentrations of folate, vitamin E and copper. Magnetic resonance imaging showed multifocal high signal intensities along the posterior column of the cervical and thoracic spinal cord. Treatment consisted of intramuscular injections of vitamin B12 for 7 d, which increased her serum level of vitamin B12 to normal...
October 7, 2016: World Journal of Gastroenterology: WJG
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