Fig. 2

Pathological findings of a skin biopsy specimen obtained from the right lower leg at admission. a, b Edematous thickening of the vessel wall and thrombosis in a small vessel were observed (hematoxylin and eosin staining, original magnification × 40). c, d Marked calcium deposition was observed in the media of the arterioles (Von Kossa staining, original magnification × 40)