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The Leukemia/Bone Marrow Transplant Program of BC

Hematology Dictionary
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S

Secondary Leukemia
A leukemia arising from either previous chemotherapy or radiotherapy or as the development of a pre-existing condition, such as myelodysplasia.

Septicemia
This is a general term to describe serious bacterial infection of the blood stream often associated with high fever.

Serum
The part of the blood, which remains after cells, platelets and fibrinogen have been removed, usually by allowing the blood to clot.

Sibling
Brother or sister.

Sideroblasts
see refractory anemia.

Spleen
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.

Splenectomy
Surgical removal of the spleen. This is sometimes done in leukemia or lymphoma as part of a patient's treatment.

Splenomegaly
Enlargement of the spleen.

Staging
An assessment of the spread of disease through the body, for example in lymphoma. It is of importance for the selection of optimal treatment.

Stem Cells
The most primitive cells in the bone marrow from which all the various types of blood cell are derived.

Steroids
See corticosteroids.

Subcutaneous Injection
An injection into tissue immediately under the skin.

Syngeneic
Literally "sharing the same genes". It refers to bone marrow or peripheral blood stem cell transplants between identical twins.

 

Is there a term you would like to see included? Email us. Thank you for your feedback.

The information in this glossary is cited with permission from the Leukemia Research Foundation web site.

 

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