B-cell prolymphocytic leukemia: Difference between revisions

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==Symptoms==
==Symptoms==
* [[Anemia]]
* [[Anemia]]<ref name=B-PLL>{{cite web | title = National cancer institute| url = http://seer.cancer.gov/seertools/hemelymph/51f6cf58e3e27c3994bd53f9/ }}</ref>
* Massive splenomegaly
* Massive splenomegaly
* Rapidly rising lymphocyte count
* Rapidly rising lymphocyte count

Revision as of 14:04, 5 October 2015

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List of terms related to B-cell prolymphocytic leukemia

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Carlos A Lopez, M.D. [2]

Synonyms and keywords: B-PLL

Overview

B-cell prolymphocytic leukemia is a more aggressive but still treatable form of leukemia. The malignant B cells are larger than average.

Pathophysiology

It is postulated that the originating cell line for this disease is a mature B-cell. Due to the systemic nature of this disease, leukemic cells can be found in peripheral blood, lymph nodes, bone marrow, spleen, liver, skin.

Genetics

It can involve deletions from chromosome 11 and chromosome 13.[1]

Markers

Prognosis

It has a relatively poor prognosis.[5]. But usually has a better prognosis than T-cell prolymphocytic leukemia.[6]

Symptoms

Differential Diagnosis

  • Hairy cell leukemia[8]
  • Waldenström macroglobulinemia[8]

Treatment

B-cell prolymphocytic leukemia responds better when combinations of chemotherapy drugs are used. Some combinations that may be used are:[6]

Other chemotherapy drugs (purine analogues) are often used to treat T-cell prolymphocytic leukemia are:

Biological therapy

Monoclonal antibodies are a type of biological therapy that has been effective in treating certain types of leukemias. These drugs may be used alone or in combination with chemotherapy to treat prolymphocytic leukemia.

  • Alemtuzumab seems to be particularly effective in treating T-cell prolymphocytic leukemia. It may be used in people whose lymphoma is no longer responding to chemotherapy drugs like fludarabine.

Splenectomy or radiation therapy to the spleen

Splenectomy and external beam radiation therapy to the spleen may be used in some people with Prolymphocytic leukemia.

Stem cell trasplant

A stem cell transplant is sometimes used to treat people with aggressive prolymphocytic leukemia. Many people with prolymphocytic leukemia are older or may not be in good health, so a stem cell trasplant is often not a suitable option for them. However, it may be an effective option for younger people with prolymphocytic leukemia.

References

  1. Lens D, Matutes E, Catovsky D, Coignet LJ (2000). "Frequent deletions at 11q23 and 13q14 in B cell prolymphocytic leukemia (B-PLL)". Leukemia. 14 (3): 427–30. PMID 10720137.
  2. Yamamoto K, Hamaguchi H, Nagata K, Shibuya H, Takeuchi H (April 1998). "Splenic irradiation for prolymphocytic leukemia: is it preferable as an initial treatment or not?". Jpn. J. Clin. Oncol. 28 (4): 267–9. doi:10.1093/jjco/28.4.267. PMID 9657013.
  3. "Pathology". Archived from the original on 7 February 2009. Retrieved 2009-01-31.
  4. Crisostomo RH, Fernandez JA, Caceres W (May 2007). "Complex karyotype including chromosomal translocation (8;14) (q24;q32) in one case with B-cell prolymphocytic leukemia". Leuk. Res. 31 (5): 699–701. doi:10.1016/j.leukres.2006.06.010. PMID 16997373.
  5. Del Giudice I, Davis Z, Matutes E; et al. (2006). "IgVH genes mutation and usage, ZAP-70 and CD38 expression provide new insights on B-cell prolymphocytic leukemia (B-PLL)". Leukemia. 20 (7): 1231–7. doi:10.1038/sj.leu.2404238. PMID 16642047.
  6. 6.0 6.1 "Canadian Cancer Society".
  7. "National cancer institute".
  8. 8.0 8.1 Nakashima H, Saito B, Ariizumi H, Matsuda I, Nakamaki T, Tomoyasu S (December 2008). "Splenic irradiation as a successful treatment for an elderly patient with B-cell prolymphocytic leukemia". Rinsho Ketsueki. 49 (12): 1619–22. doi:10.11406/rinketsu.49.1619. PMID 19110524.

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