title: Diagnosis: hairy cell leukemia.
mesh_terms: D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007938:Leukemia / Q000473:pathology*; D008206:Lymphatic Diseases / Q000473:pathology*; D008875:Middle Aged; D010198:Pancytopenia / Q000473:pathology; D013154:Spleen / Q000473:pathology