Figure 6: Types of lesions according to American Heart Association, (a) sections showing Type I, initial lesion with isolated macrophages, (b) Type II with mainly intracellular lipid, (c) Type III with small extracellular lipid pools, (d) Type IV with core of extracellular lipid, (e) Type V with lipid core and calcification and (f) Type VI with hemorrhage (H and E, ×40) 7