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Hairy cell leukemia

Hairy cell leukemia

 Hairy cell leukemia (HCL) is an uncommon chronic B cell lymphoproliferative disorder (lymphoid neoplasm) characterized by the accumulation of small mature B cell lymphoid cells with abundant cytoplasm and “hairy” projections within the peripheral blood, bone marrow, and splenic red pulp. This typically results in splenomegaly and a variable reduction in the production of normal red blood cells, platelets, mature granulocytes, and monocytes. The increased production of malignant cells, along with a reduction in these mature elements, results in a variety of systemic consequences, including splenomegaly, anemia, bleeding, and an increased risk of infection.

 

Panel tests:

CD19, CD11c, CD20, CD25, CD45, CD103, CD123.

References:

  1. Monnereau A, Slager SL, Hughes AM, et al. Medical history, lifestyle, and occupational risk factors for hairy cell leukemia: The InterLymph Non-Hodgkin Lymphoma Subtypes Project. J Natl Cancer Inst Monogr 2014; 2014:115.
  2. Orsi L, Delabre L, Monnereau A, et al. Occupational exposure to pesticides and lymphoid neoplasms among men: results of a French case-control study. Occup Environ Med 2009; 66:291.

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