b'\n_START_ARTICLE_\nPolymyalgia rheumatica\n_START_SECTION_\nOrsaker\n_START_PARAGRAPH_\nOrsaken \xc3\xa4r ok\xc3\xa4nd, men beror troligen p\xc3\xa5 en immunologisk reaktion. Kvinnor \xc3\xa4r drabbade tre g\xc3\xa5nger oftare \xc3\xa4n m\xc3\xa4n. S\xc3\xa4llan insjuknande f\xc3\xb6re 60 \xc3\xa5rs \xc3\xa5lder. Det finns ej fullst\xc3\xa4ndig konsensus betr diagnoskriterier.'