Megaloblastic anaemia due to vitamin B12 deficiency (Q39489): Difference between revisions
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Doença causada pela ingestão inadequada de vitamina B12 na dieta, pela absorção prejudicada da vitamina B12, remoção cirúrgica do intestino delgado, doença celíaca e mutações herdadas afetando a absorção da vitamina B12. Esta doença é caracterizada pela diminuição dos níveis da vitamina B12 no sangue manifestando-se com ou sem anemia. Ela pode manifestar-se com fadiga, palidez, tontura, convulsões e sintomas de demência. A confirmação é pela identificação dos níveis diminuídos da vitamina B12 em uma amostra de sangue. | |||
| description / en | description / en | ||
A disease caused by inadequate dietary intake of vitamin B12, impaired absorption of vitamin B12, surgical removal of the small bowel, coeliac disease or inherited mutations affecting absorption of vitamin B12. This disease is characterised by decreased levels of vitamin B12 in the body presenting with or without anaemia. This disease may present with fatigue, pallor, dizziness, seizures, or symptoms of dementia. Confirmation is by identification of decreased levels of vitamin B12 in a blood sample. | |||
Revision as of 04:55, 13 August 2026
A disease caused by inadequate dietary intake of vitamin B12, impaired absorption of vitamin B12, surgical removal of the small bowel, coeliac disease or inherited mutations affecting absorption of vitamin B12. This disease is characterised by decreased levels of vitamin B12 in the body presenting with or without anaemia. This disease may present with fatigue, pallor, dizziness, seizures, or symptoms of dementia. Confirmation is by identification of decreased levels of vitamin B12 in a blood sample.
| Language | Label | Description | Also known as |
|---|---|---|---|
| default for all languages | 3A01 |
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| English | Megaloblastic anaemia due to vitamin B12 deficiency |
A disease caused by inadequate dietary intake of vitamin B12, impaired absorption of vitamin B12, surgical removal of the small bowel, coeliac disease or inherited mutations affecting absorption of vitamin B12. This disease is characterised by decreased levels of vitamin B12 in the body presenting with or without anaemia. This disease may present with fatigue, pallor, dizziness, seizures, or symptoms of dementia. Confirmation is by identification of decreased levels of vitamin B12 in a blood sample. |
