OBJECTIVES:To determine when Tropheryma whipplei polymerase chain reaction (PCR) is appropriate in patients evaluated for rheumatological symptoms. METHODS:In a retrospective observational study done in rheumatology units of five hospitals. we assessed the clinical and radiological signs that prompted T. whipplei PCR testing between 2010 and 2014. https://www.inksstops.shop/product-category/kuro-sumi-graywash-shading-ink/