Figure 3

Elastic-Van Gieson (EvG) staining. Representative EvG staining results with deep red necrosis (a), more superficial necrosis with closure of a capillary (b) and deep necrosis with closure of a larger vessel (c) all caused by UC and necrosis with closure of small vessels caused by ME (d) (magnification a and d ×200; c and d × 400).