title: Could lymphoma be the underlying disease in this patient with pyrexia of unknown origin?
authors.forename: J F
authors.initials: JF
authors.lastname: Seymour
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D005335:Fever of Unknown Origin / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008223:Lymphoma / Q000150:complications / Q000175:diagnosis*