Figure 1

Mediolysis of the media at low and high (×100) magnification (black arrows). A. Note changes consistent with reparative phase with granulation tissue extending over the intima of arterial wall islands. B and C The black arrows demarcate mediolysis on higher magnification. The white arrow points to brown pigmentation of hemosiderin deposition. ×40 - ×100. Note the focus of intact muscle cells in area of total medial muscle loss.