Fig. 4
Histopathology of left superficial temporal artery biopsy. a and b Number of inflammatory cell infiltrates mainly in the media and sporadic multinucleated giant cells (red arrows) with intimal hyperplasia and vascular occlusion (hematoxylin–eosin staining: a, ×50; b, ×200). c Fragmentation of the internal elastic lamina (blue arrow) (Elastica van Gieson staining: c, ×50)