Fig. 2

Histopathology and immunostaining of spiral arteries. Hematoxylin and eosin staining, immunostaining of CD3, CD8, CD56. Many CD3+, CD8 + T cells infiltrated the vascular wall in acute atherosis. The number of CD3+, CD8 + T cells and CD56 + NK cells is low on the vascular wall in remodeled artery