title: An unusual case of malignant lymphoma developed from prolonged reactive lymphofollicular hyperplasia.
mesh_terms: D006801:Humans; D006965:Hyperplasia; D008198:Lymph Nodes / Q000473:pathology*; D008223:Lymphoma / Q000209:etiology* / Q000473:pathology; D008297:Male; D008875:Middle Aged