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  2. Reactive lymphocyte - Wikipedia

    en.wikipedia.org/wiki/Reactive_lymphocyte

    Reactive lymphocyte surrounded by red blood cells. In immunology, reactive lymphocytes, variant lymphocytes, atypical lymphocytes, Downey cells or Türk cells are cytotoxic (CD8 +) lymphocytes that become large as a result of antigen stimulation. Typically, they can be more than 30 μm in diameter with varying size and shape.

  3. Lymphocytosis - Wikipedia

    en.wikipedia.org/wiki/Lymphocytosis

    In adults, absolute lymphocytosis is present when the lymphocyte count is greater than 5000 per microliter (5.0 x 10 9 /L), in older children greater than 7000 per microliter and in infants greater than 9000 per microliter. [1] Lymphocytes normally represent 20% to 40% of circulating white blood cells. When the percentage of lymphocytes exceeds ...

  4. White blood cell differential - Wikipedia

    en.wikipedia.org/wiki/White_blood_cell_differential

    The white blood cell differential is a common blood test that is often ordered alongside a complete blood count.The test may be performed as part of a routine medical examination; to investigate certain symptoms, particularly those suggestive of infection or hematological disorders; [5] [6] or to monitor existing conditions, such as blood disorders and inflammatory diseases.

  5. Epstein–Barr virus–associated lymphoproliferative diseases (also abbreviated EBV-associated lymphoproliferative diseases or EBV+ LPD) are a group of disorders in which one or more types of lymphoid cells (a type of white blood cell), i.e. B cells, T cells, NK cells, and histiocytic-dendritic cells, are infected with the Epstein–Barr virus (EBV).

  6. Tzanck test - Wikipedia

    en.wikipedia.org/wiki/Tzanck_test

    Tzanck smear test is useful for rapid diagnosis of mastocytoma in children Sebaceous hyperplasia: Clusters of sebocytes Seborrheic keratosis: Hyperkeratosis and horny cysts 87.5% sensitive and 80.8% specific Melanocytic nevi: Dermal and epidermal type nevoid cells 87.5% sensitive and 100% specific Eruptive vellus hair cysts: Abundant vellus hairs

  7. Monoclonal B-cell lymphocytosis - Wikipedia

    en.wikipedia.org/.../Monoclonal_B-cell_lymphocytosis

    The lymphocyte subtypes are B-cells that share certain features with the abnormal clones of lymphocytes that circulate in chronic lymphocytic leukemia/small lymphocyte lymphoma (CLL/SLL) or, less frequently, other types of B-cell malignancies. Some individuals with these circulating B-cells develop CLL/SLL or the lymphoma types indicated by ...

  8. Child protection - Wikipedia

    en.wikipedia.org/wiki/Child_protection

    Under Article 19 of the UN Convention on the Rights of the Child, a 'child protection system' provides for the protection of children in and out of the home.One of the ways this can be enabled is through the provision of quality education, the fourth of the United Nations Sustainable Development Goals, in addition to other child protection systems.

  9. Childhood leukemia - Wikipedia

    en.wikipedia.org/wiki/Childhood_Leukemia

    Survival rates vary depending on the type of leukemia, but may be as high as 90% in ALL. [3] Leukemia is a hematological malignancy or a cancer of the blood. It develops in the bone marrow, the soft inner part of bones where new blood cells are made. When a child has leukemia, the bone marrow produces white blood cells that do not mature ...