B-cell leukemia/lymphoma panel
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B-cell leukemia/lymphoma panel

Definition

B-cell leukemia/lymphoma panel is a test that looks for certain proteins on the surface of white blood cells called B-lymphocytes. The proteins serve as markers that may be helpful in diagnosing leukemia or lymphoma.

Alternative Names

B lymphocyte cell surface markers

How the Test is Performed

A blood sample is needed. For information on how this is done, see: Venipuncture

Less commonly, 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 usually done using a technique called flow cytometry.

How to Prepare for the Test

No special preparation is usually necessary.

How the Test Will Feel

When the needle is inserted to draw blood, you may feel moderate pain, or only a prick or stinging sensation. Afterward, there may be some throbbing.

Why the Test is Performed

This test may be performed:

  • When other tests (such as a blood smear) show signs of abnormal white blood cells
  • When leukemia or lymphoma is suspected
  • To find out the type of leukemia or lymphoma

What Abnormal Results Mean

Risks

Veins and arteries vary in size from one patient to another and from one side of the body to the other. Obtaining a blood sample from some people may be more difficult than from others.

Other risks associated with having blood drawn are slight but may include:

  • Excessive bleeding
  • Fainting or feeling light-headed
  • Hematoma (blood accumulating under the skin)
  • Infection (a slight risk any time the skin is broken)

Considerations

This special test may not be available at all laboratories.

References

Appelbaum FR. The acute leukemias. In: Goldman L, Schafer AI, eds. Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier;2011:chap 189.

Bierman PJ, Armitage JO. Non-Hodgkin's lymphomas. In: Goldman L, Schafer AI, eds. Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier;2011:chap 191.

Kantarjian H, O'Brien S. The chronic leukemias. In: Goldman L, Schafer AI, eds. Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier;2011:chap 190.

Najfeld V. Conventional and molecular cytogenetic basis of hematologic malignancies. In: Hoffman R, Benz EJ, Shattil SS, et al, eds. Hematology: Basic Principles and Practice. 5th ed. Philadelphia, Pa: Elsevier Churchill Livingstone; 2008:chap 55.



Review Date: 2/7/2012
Reviewed By: Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington; and Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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St. Luke's Hospital - 232 South Woods Mill Road - Chesterfield, MO 63017 Main Number: 314-434-1500 Emergency Dept: 314-205-6990 Patient Billing: 888-924-9200
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