Figure 1From: Coxiella burnetii vascular graft infection Histology of the aortic lesion: A. Chronic inflammatory infiltrate (yellow arrowhead), fibrosis (black arrowhead), and ill-formed granuloma (arrow). Hematoxylin-eosin, 100× magnification. B. Closer view of the ill-formed granuloma (arrow). Hematoxylin-eosin, 400× magnification.Back to article page