Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1948 1
1949 2
1950 1
1954 1
1956 3
1957 1
1960 4
1961 1
1963 2
1964 3
1965 2
1966 8
1967 9
1968 4
1969 4
1970 14
1971 12
1972 4
1973 5
1974 11
1975 15
1976 13
1977 12
1978 9
1979 10
1980 15
1981 14
1982 9
1983 7
1984 14
1985 14
1986 4
1987 11
1988 17
1989 17
1990 10
1991 14
1992 13
1993 11
1994 10
1995 13
1996 12
1997 16
1998 11
1999 16
2000 19
2001 16
2002 12
2003 15
2004 11
2005 14
2006 15
2007 15
2008 13
2009 23
2010 21
2011 15
2012 12
2013 21
2014 22
2015 18
2016 11
2017 20
2018 20
2019 16
2020 16
2021 21
2022 21
2023 20
2024 7

Text availability

Article attribute

Article type

Publication date

Search Results

765 results

Results by year

Filters applied: . Clear all
Quoted phrase not found in phrase index: "Folate-unresponsive megaloblastic anemia"
Page 1
Vitamin B12 Deficiency: Recognition and Management.
Langan RC, Goodbred AJ. Langan RC, et al. Am Fam Physician. 2017 Sep 15;96(6):384-389. Am Fam Physician. 2017. PMID: 28925645 Free article.
Vitamin B12 deficiency is a common cause of megaloblastic anemia, various neuropsychiatric symptoms, and other clinical manifestations. ...Oral administration of high-dose vitamin B12 (1 to 2 mg daily) is as effective as intramuscular administration for correcting …
Vitamin B12 deficiency is a common cause of megaloblastic anemia, various neuropsychiatric symptoms, and other clinical manife …
Folic acid versus 5- methyl tetrahydrofolate supplementation in pregnancy.
Ferrazzi E, Tiso G, Di Martino D. Ferrazzi E, et al. Eur J Obstet Gynecol Reprod Biol. 2020 Oct;253:312-319. doi: 10.1016/j.ejogrb.2020.06.012. Epub 2020 Jun 13. Eur J Obstet Gynecol Reprod Biol. 2020. PMID: 32868164 Review.
However, it can pose health risks in certain conditions, such as megaloblastic anemia, where it will conceal megaloblastic anemia due to vitamin B12 deficiency and in cases of reduced hepatic transformation of folic acid (e.g. due to genetic variants o …
However, it can pose health risks in certain conditions, such as megaloblastic anemia, where it will conceal megaloblastic
Vitamin B12 deficiency.
Green R, Miller JW. Green R, et al. Vitam Horm. 2022;119:405-439. doi: 10.1016/bs.vh.2022.02.003. Epub 2022 Mar 11. Vitam Horm. 2022. PMID: 35337628
Major organ systems affected include the blood, bone marrow and nervous system. Megaloblastic anemia results from a defect in thymidine and therefore DNA synthesis in rapidly dividing cells. ...
Major organ systems affected include the blood, bone marrow and nervous system. Megaloblastic anemia results from a defect in …
Homocysteine and Hyperhomocysteinaemia.
Zaric BL, Obradovic M, Bajic V, Haidara MA, Jovanovic M, Isenovic ER. Zaric BL, et al. Curr Med Chem. 2019;26(16):2948-2961. doi: 10.2174/0929867325666180313105949. Curr Med Chem. 2019. PMID: 29532755 Review.
An elevated level of the Hcy, hyperhomocysteinemia (HHcy) and homocystinuria is connected with occlusive artery disease, especially in the brain, the heart, and the kidney, in addition to venous thrombosis, chronic renal failure, megaloblastic anemia, osteoporosis, …
An elevated level of the Hcy, hyperhomocysteinemia (HHcy) and homocystinuria is connected with occlusive artery disease, especially in the b …
Evaluation of macrocytosis.
Kaferle J, Strzoda CE. Kaferle J, et al. Am Fam Physician. 2009 Feb 1;79(3):203-8. Am Fam Physician. 2009. PMID: 19202968 Free article. Review.
History and physical examination, vitamin B12 level, reticulocyte count, and a peripheral smear are helpful in delineating the underlying cause of macrocytosis. When the peripheral smear indicates megaloblastic anemia (demonstrated by macro-ovalocytes and hyper-segm …
History and physical examination, vitamin B12 level, reticulocyte count, and a peripheral smear are helpful in delineating the underlying ca …
Clinical manifestations of chronic atrophic gastritis.
Rodriguez-Castro KI, Franceschi M, Noto A, Miraglia C, Nouvenne A, Leandro G, Meschi T, De' Angelis GL, Di Mario F. Rodriguez-Castro KI, et al. Acta Biomed. 2018 Dec 17;89(8-S):88-92. doi: 10.23750/abm.v89i8-S.7921. Acta Biomed. 2018. PMID: 30561424 Free PMC article. Review.
Hypo/achloridia causes an increase in serum gastrin levels, with an increased risk of the development of neuroendocrine tumors. Microcytic, hypochromic anemia frequently precedes the development of megaloblastic, vitamin B12-associated anemia. ...
Hypo/achloridia causes an increase in serum gastrin levels, with an increased risk of the development of neuroendocrine tumors. Microcytic, …
Recreational nitrous oxide use: Prevalence and risks.
van Amsterdam J, Nabben T, van den Brink W. van Amsterdam J, et al. Regul Toxicol Pharmacol. 2015 Dec;73(3):790-6. doi: 10.1016/j.yrtph.2015.10.017. Epub 2015 Oct 22. Regul Toxicol Pharmacol. 2015. PMID: 26496821 Review.
Heavy or sustained use of N2O inactivates vitamin B12, resulting in a functional vitamin B12 deficiency and initially causing numbness in fingers, which may further progress to peripheral neuropathy and megaloblastic anemia. N2O use does not seem to result in depend …
Heavy or sustained use of N2O inactivates vitamin B12, resulting in a functional vitamin B12 deficiency and initially causing numbness in fi …
Parenteral vs Oral Vitamin B12 in Children With Nutritional Macrocytic Anemia: A Randomized Controlled Trial.
Tandon R, Thacker J, Pandya U, Patel M, Tandon K. Tandon R, et al. Indian Pediatr. 2022 Sep 15;59(9):683-687. Epub 2022 May 31. Indian Pediatr. 2022. PMID: 35642923 Free article. Clinical Trial.
BACKGROUND: There is limited literature in children on efficacy of different routes of vitamin B12 administration for vitamin B12 deficiency macrocytic-megaloblastic anemia. OBJECTIVE: To compare parenteral with oral vitamin B12 therapy in children with macrocytic- …
BACKGROUND: There is limited literature in children on efficacy of different routes of vitamin B12 administration for vitamin B12 deficiency …
Megaloblastic anemias.
Carmel R. Carmel R. Curr Opin Hematol. 1994 Mar;1(2):107-12. Curr Opin Hematol. 1994. PMID: 9371268 Review.
Data continue to emerge that the low cobalamin levels often seen in the elderly and in various other settings represent a subtle cobalamin deficiency state. Even though such individuals do not have megaloblastic anemia and absorb free cobalamin normally, metabolic t …
Data continue to emerge that the low cobalamin levels often seen in the elderly and in various other settings represent a subtle cobalamin d …
Anemia in pregnancy.
Lops VR, Hunter LP, Dixon LR. Lops VR, et al. Am Fam Physician. 1995 Apr;51(5):1189-97. Am Fam Physician. 1995. PMID: 7709894 Review.
Iron deficiency is the most common cause of anemia, and most pregnant women benefit from daily supplementation of 30 to 60 mg of elemental iron. Folic acid deficiency, the most common cause of megaloblastic anemia in pregnancy, is associated with open neural …
Iron deficiency is the most common cause of anemia, and most pregnant women benefit from daily supplementation of 30 to 60 mg of elem …
765 results