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    • #18333

      Causes of high white blood cell count (> 11 x 109/L or >11,000/µL) from mild to severe:

      — Strenuous exercise
      — Smoking
      — Pregnancy
      — Severe trauma or surgery
      — Allergic reaction, asthma, hay fever
      — Lymphoma, solid organ cancers
      — Inflammatory diseases: rheumatoid arthritis, inflammatory bowel disease–Crohn’s disease and ulcerative colitis–, vasculitis
      — Bacterial infections, such as pneumonia
      — Hypersensitivity reaction to drugs
      — Leukemia

      Causes of low white blood cell count (<4 x 109/liter or <4,000/µL) from mild to severe:

      — Hyperthyroidism
      — Malnutrition
      — Drugs: antibiotics, anticonvulsants, anti-thyroid drugs, captopril, chlorpromazine, clozapine, diuretics, H2 blockers
      — Autoimmune disorders, such as systemic lupus erythematosus
      — Enlarged liver or spleen
      — HIV/AIDS
      — Aplastic anemia
      — Severe bacterial infections
      — Severe allergic reaction
      — Bone marrow deficiency due to infection or cancer (leukemia, multiple myeloma)
      — Chemotherapy or radiation therapy


    • #116124

      Granulocytes (polymorphonuclear leukocytes) are leukocytes characterized by the presence of differently staining granules in their cytoplasm when viewed under light microscopy. There are three types of granulocytes: neutrophils, basophils, and eosinophils.
      Agranulocytes (mononuclear leucocytes) are leukocytes characterized by the apparent absence of granules in their cytoplasm. These cells include lymphocytes, monocytes, and macrophages.
      Depending on the type of white blood cell have a different duration, as if neutrófilo has a shelf life of about three days, but if another type of leukocyte (white cell).


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