Histiocytic medullary reticulosis.
D006801:Humans; D007943:Leukemia, Hairy Cell / Q000150:complications* / Q000473:pathology; D008198:Lymph Nodes / Q000473:pathology; D008206:Lymphatic Diseases / Q000209:etiology* / Q000473:pathology; D008297:Male; D008875:Middle Aged