Fig. 3

Histopathological findings. Hematoxylin-eosin staining revealed wall fragments of a large caliber artery with eccentric fibrosis, inflammatory infiltrates and hemosiderin deposits (a) or abnormal wall thinning (b) adjacent to thrombotic material. The internal elastic lamina ends abruptly (Elastica-van-Gieson staining; c Scale bar: 200 μm)