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Volume 11, Number 2, February 2005

Bacterial Zoonoses and Infective Endocarditis, Algeria

Akila Benslimani,* Florence Fenollar,† Hubert Lepidi,† and Didier Raoult†
*Service de Biologie Clinique, Alger, Algérie; and †Université de la Méditerranée, Marseille, France

 
 
Figure 3.
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Figure 3. A) Section of an aortic valve from a patient with Bartonella endocarditis. Note the extensive fibrosis of the connective valve tissue (arrowhead), the vegetation (*), and the low inflammatory infiltrate of the valve tissue (hematoxylin-phloxine-saffron, original magnification 100x). B) Resected valve with Bartonella quintana infection showing darkly stained bacilli consistent with Bartonella. Note the numerous clusters of argyrophilic bacteria present in the valvular vegetation (Warthin-Starry silver, original magnification 1,000x). C) Immunohistochemical detection of B. quintana in a resected valve from a patient with Bartonella endocarditis. Note the extracellular distribution of the bacterial colonies (*) in the valvular vegetation (polyclonal antibody and hematoxylin counterstain, original magnification 250x).

 

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This page last reviewed January 12, 2005

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