PMC1325236_01
Histology of the aortic lesion: A. Chronic inflammatory infiltrate (yellow arrowhead), fibrosis (black arrowhead), and ill-formed granuloma (arrow). Hematoxylin-eosin, 100x magnification. B. Closer view of the ill-formed granuloma (arrow). Hematoxylin-eosin, 400x magnification.
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F1
Histopathology showed a chronic inflammatory infiltrate, ill-formed non-necrotizing granulomas, and degenerative changes such as calcifications and fibrosis (Figure 1A &1B).