characteristically occurs in middle age - median age at presentation is 55 years
males affected five times more frequently than females
symptoms are variable:
gradual onset of fatigue
recurrent infection, including mycobacterial infections
left hypochondrial discomfort related to a massively enlarged spleen
hepatomegaly is present in 50% of cases
lymphadenopathy is uncommon
Reference
Troussard X, Maître E, Paillassa J. Hairy cell leukemia 2024: update on diagnosis, risk-stratification, and treatment - annual updates in hematological malignancies. Am J Hematol. 2024 Apr;99(4):679-96.
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