title: Acute leukemia masquerading as polymyalgia rheumatica.
mesh_terms: D000208:Acute Disease; D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007938:Leukemia / Q000175:diagnosis*; D011111:Polymyalgia Rheumatica / Q000175:diagnosis*