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Hairy cell leukemia



Bone marrow aspiration
Bone marrow aspiration
Auer rods
Auer rods
Hairy cell leukemia - microscopic view
Hairy cell leukemia - microscopic view
Formed elements of blood
Formed elements of blood
Enlarged spleen
Enlarged spleen


Hairy cell leukemia

Definition:

Hairy cell leukemia is a cancer of lymphocytes (B cells) that leads to low blood counts.


Alternative Names:
Leukemic reticuloendotheliosis; HCL; Leukemia - hairy cell
Causes, incidence, and risk factors:


Hairy cell leukemia (HCL) is an uncommon cancer of the blood. It can be one of the causes of low numbers of normal blood cells. The disease is caused by the abnormal growth of B cells that can look "hairy" under the microscope because they have fine projections coming from their surface.

The cause of this disease is unknown. It affects men 5 times more often than women, and the average age of onset is 55. Hairy cell leukemia is rare and only accounts for about 2% of the leukemias diagnosed each year.





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