<prompt> Answer this question truthfullyWhat other diagnostic tests are available for the detection of Whipples disease?  <response>: <reason> Endoscopy and small bowel biopsy may be helpful in the diagnosis of Whipples disease. Diagnostic findings of Whipples disease include, PAS positive inclusions in macrophages of lamina propria. Other diagnostic studies for Whipples disease include electron microscopy which demonstrate bacteria, immunofluorescent assay to detect antibodies against Tropheryma whipplei and PCR, which demonstrates 16S rRNA gene of Tropheryma whipplei. 