A leukemia arising from either previous chemotherapy or radiotherapy or as the development of a pre-existing condition, such as myelodysplasia.
This is a general term to describe serious bacterial infection of the blood stream often associated with high fever.
The part of the blood, which remains after cells, platelets and fibrinogen have been removed, usually by allowing the blood to clot.
Brother or sister.
see refractory anemia.
The spleen acts as a "discriminating filter" of the blood. It can selectively remove old red blood cells and bacteria and other foreign bodies. The spleen also acts as a store for platelets. It is often enlarged in leukemia.
Surgical removal of the spleen. This is sometimes done in leukemia or lymphoma as part of a patient's treatment.
Enlargement of the spleen.
An assessment of the spread of disease through the body, for example in lymphoma. It is of importance for the selection of optimal treatment.
The most primitive cells in the bone marrow from which all the various types of blood cell are derived.
An injection into tissue immediately under the skin.
Literally "sharing the same genes". It refers to bone marrow or peripheral blood stem cell transplants between identical twins.
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The information in this glossary is cited with permission from the Leukemia Research Foundation web site.