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APLASTIC ANAEMIA (HYPOPLASTIC ANAEMIA) |
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congenital |
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Fanconi syndrome non-Fanconi congenital aplastic anaemias dyskeratosis congenita |
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acquired |
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1° (idiopathic) |
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2° to: |
idiosyncrasy to drugs / chemicals: |
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chloramphenicol tolbutamide sulphonamides gold insecticides |
indomethacin phenylbutazone benzene and derivatives thiazides alcohol |
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chemotherapy , eg. busulphan, cyclophosphamide |
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radiation |
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infection, eg. following viral hepatitis, parvovirus infection |
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pregnancy (very rare) |
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NB: presence of splenomegaly is NOT compatible with a diagnosis of aplastic anaemia
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