B-cell leukemia/lymphoma panel is a blood test that looks for certain proteins on the surface of white blood cells called B-lymphocytes. The proteins are markers that may help diagnose leukemia or lymphoma.
B lymphocyte cell surface markers; Flow cytometry - leukemia/lymphoma immunophenotyping
A blood sample is needed.
In some cases, white blood cells are removed during a bone marrow biopsy. The sample may also be taken during a lymph node biopsy or other biopsy when lymphoma is suspected.
The blood sample is sent to a laboratory, where a specialist checks the cell type and characteristics. This procedure is called immunophenotyping. The test is often done using a technique called flow cytometry.
No special preparation is usually necessary.
When the needle is inserted to draw blood, some people feel moderate pain. Others feel only a prick or stinging. Afterward, there may be some throbbing or a slight bruise. This soon goes away.
This test may be done for the following reasons:
Abnormal results usually indicate either:
There is little risk involved with having your blood taken. Veins and arteries vary in size from one person to another and from one side of the body to the other. Taking blood from some people may be more difficult than from others.
Other risks associated with having blood drawn are slight, but may include:
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Kussick SJ. Flow cytometric principles in hematopathology. In: Hsi ED, ed. Hematopathology. 3rd ed. Philadelphia, PA: Elsevier; 2018:chap 23.