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Leukocyte: Difference between revisions
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If the number of WBCs is elevated above 10 000/µL there is ''leukocytosis''. The body produces more WBCs in response to most infections and inflammations in the body. An elevated white blood count on a blood test is almost always indicative of an ongoing infection or inflammation in the patient. In theory strenuous exercise and emotional stress can cause leucocytosis too. | If the number of WBCs is elevated above 10 000/µL there is ''leukocytosis''. The body produces more WBCs in response to most infections and inflammations in the body. An elevated white blood count on a blood test is almost always indicative of an ongoing infection or inflammation in the patient. In theory strenuous exercise and emotional stress can cause leucocytosis too. | ||
If the number of WBCs is below 4 000/µL there is ''leukopaenia''. This occurs if there is damage to the bone marrow, due to toxic effects from drugs, [[radiation]], [[chemotherapy]], or cancer of the bone marrow, such as [[myelodysplastic syndrome]] or [[leukaemia]]. | If the number of WBCs is below 4 000/µL there is ''leukopaenia''. This occurs if there is damage to the bone marrow, due to toxic effects from drugs, [[radiation]], [[chemotherapy]], or cancer of the bone marrow, such as [[myelodysplastic syndrome]] or [[leukaemia]]. If a complete blood count has revealed that there are pathologically low levels of all blood cells, the condition is called [[pancytopaenia]]. | ||
<section begin="clinical biochemistry" /> | <section begin="clinical biochemistry" /> | ||
== Types == | == Types == | ||