Articles

  • Test

    Lactate dehydrogenase test

    The lactate dehydrogenase (LDH) test measures the amount of LDH in the blood.

  • Disease

    Leukemia

    A small amount of bone marrow is removed during a bone marrow aspiration.  The procedure is uncomfortable, but can be tolerated by both children and adults.  The marrow can be studied to determine the cause of anemia, the presence of leukemia or other malignancy, or the presence of some "storage diseases" in which abnormal metabolic products are stored in certain bone marrow cells.

    Leukemia is a type of blood cancer that begins in the bone marrow. Bone marrow is the soft tissue in the center of the bones, where blood cells are produced. The term leukemia means white blood. White blood cells (leukocytes) are used by the body to fight infections and other foreign substances. ...

  • Disease

    Leukemoid reaction

    Antigens are large molecules (usually proteins) on the surface of cells, viruses, fungi, bacteria, and some non-living substances such as toxins, chemicals, drugs, and foreign particles. The immune system recognizes antigens and produces antibodies that destroy substances containing antigens.

    A leukemoid reaction is a reactive increase in the white blood cell count, which can mimic .The reaction is actually due to an infection or another disease and is not a sign of cancer. Blood counts usually return to normal when the underlying condition is treated.