Blood and Lymphatic System Terms

Essential thrombocytosis describes a persistently elevated platelet count arising from a primary bone marrow disorder rather than a temporary reactive process.

Refers to an area or organ outside of the lymph nodes.

The leakage of blood, lymph, or other fluid, such as an anticancer drug, from a blood vessel or tube into the tissue around it.

A drug used to treat acute lymphoblastic leukemia (ALL).

A substance being studied in the prevention of palmar-plantar erythrodysesthesia (pain, swelling, numbness, tingling, or redness of the palms of the hands or soles of the feet) in breast cancer…

A rare inherited disorder in which the bone marrow does not make blood cells.

A chemotherapy drug that impersonates a DNA building block, used mainly against slow-growing blood cancers and before transplant.

A rare type of non-Hodgkin lymphoma (cancer of the lymphatic system) with large cells that look cleaved (split) or non-cleaved under the microscope.

Slow growth cuts both ways: the disease is usually widespread when found, yet often watched rather than treated at once.

An indolent (slow-growing) type of B-cell non-Hodgkin lymphoma (cancer of the lymphatic system) in which there are both small and large cancer cells.

A substance being studied in the treatment of some types of leukemia and lymphoma.

A signal that tells the marrow to produce the cells that fight infection, and that doubles as an alarm molecule in inflamed tissue.

An immune response to a person's tumor cells by immune cells present in a donor's transplanted tissue, such as bone marrow or peripheral blood.

A type of immune cell that has granules (small particles) with enzymes that are released during infections, allergic reactions, and asthma.

A substance that helps make more white blood cells, especially granulocytes, macrophages, and cells that become platelets.

A substance being studied in the treatment of several types of lymphoma.

A slow-growing blood cancer named for the fringed look of its cells, marked by a large spleen and low counts across the board.

Surgery for breast cancer in which the breast, chest muscles, and all of the lymph nodes under the arm are removed.

A substance being studied in the treatment of several types of lymphoma.

Originating in the blood or spread through the bloodstream.