Sphere of influence. In the field of international relations, a sphere of influence (SOI) is a spatial region or concept division over which a state or organization has a level of cultural, economic, military, or political exclusivity, accommodating to the interests of powers outside the borders of the state that controls it.
Multiple myeloma is named for the clock face appearance of these cancer cells when seen under a microscope. They infiltrate virtually all of a patient's bone marrow. In x-ray images of multiple myeloma, it looks like holes have been punched out of the bone.
Abnormal lymphocytes become lymphoma cells, which multiply and collect in your lymph nodes and other tissues. Over time, these cancerous cells impair your immune system. Myeloma is a cancer of the plasma cells. Plasma cells are white blood cells that produce disease-and infection-fighting antibodies in your body.Myeloma cells prevent the normal production of antibodies, leaving your body's immune system weakened and susceptible to infection.lood cancers affect the production and function of your blood cells. Most of these cancers start in your bone marrow where blood is produced. Stem cells in your bone marrow mature and develop into three types of blood cells: red blood cells, white blood cells, or platelets.