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LEUCOPAENIA |
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selective neutropaenia [<2.5x109/l] |
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drugs / toxic agents: |
chemotherapy NSAIDs (aminopyrine, phenylbutazone) antibacterials (chloramphenicol, sulphas) anticonvulsants (phenytoin, phenobarbitone) phenothiazines (promethazine, chlorpromazine) carbimazole tolbutamide phenindione insecticides |
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infections: |
viral , especially parvovirus and hepatitisbacterial (typhoid fever, miliary tuberculosis)protozoal (visceral leishmaniasis, malaria) |
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autoimmune disease: |
rheumatoid arthritis with Felty's syndrome systemic lupus erythematosus idiopathic |
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other causes: |
racial (African and Middle East populations) familial cyclical neutropaenia |
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selective lymphopaenia |
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infections: |
typhoid brucellosis |
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other causes: |
inherited (rare)small intestinal lymphangiectasia [+ lymphopoenia + low Ig]radiation |
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as part of a wider pancytopaenia |
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