Articles

  • Disease

    Hairy cell 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.

    Hairy cell leukemia (HCL) is an unusual cancer of the blood. It affects B cells, a type of white blood cell (lymphocyte).

  • Disease

    Hodgkin lymphoma

    The lymphatic system filters fluid from around cells.  It is an important part of the immune system.  When people refer to swollen glands in the neck, they are usually referring to swollen lymph nodes.  Common areas where lymph nodes can be easily felt, especially if they are enlarged, are: the groin, armpits (axilla), above the clavicle (supraclavicular), in the neck (cervical), and the back of the head just above hairline (occipital).

    Hodgkin lymphoma is a cancer of lymph tissue. Lymph tissue is found in the lymph nodes, spleen, liver, bone marrow, and other sites.

  • Disease

    Hypothalamic tumor

    A hypothalamic tumor is an abnormal growth in the hypothalamus gland, which is located in the brain.