title: Granulomatous disease complicating hairy cell leukemia.
mesh_terms: D000368:Aged; D006660:Histoplasmosis / Q000175:diagnosis*; D006801:Humans; D007943:Leukemia, Hairy Cell / Q000150:complications*; D008297:Male; D009164:Mycobacterium Infections / Q000175:diagnosis*; D009165:Mycobacterium Infections, Nontuberculous / Q000175:diagnosis*