Fig. 2From: Arthralgia and blood culture-negative endocarditis in middle Age Men suggest tropheryma whipplei infection: report of two cases and review of the literaturea–d: Whipple endocarditis in a 65- year- old patient. a/b. TEE displaying degenerative aortic valve with vegetations. b. Mild degenerative aortic valve changes with pronounced edema, fibrin insudation and superficial collections of foamy macrophages (haematoxillin&eosin, 4x). d. Demonstration of Pas-reactive foamy macrophages, which contained T. whipplei particles (Pas, 20x)Back to article page