Figure 1 : Sections of atherosclerotic plaques. H&E and Masson’s trichrome stainings.

(A) Fibrous plaque with evident fibers and presence of scattered smooth muscle fibrocells and mononuclear inflammatory cells
(red asterisk); intra- and extra-cellular lipid deposits (black arrows). (B) Fibrous plaque with evident fibers and presence of
scattered smooth muscle fibrocells and mononuclear inflammatory cells (red asterisk); presence of neovessels (black arrows).
(C) Fibrous plaque with evident fibers (red asterisk) and foam cells (insert); thick fibrous cap (yellow arrows) and thick muscle
layers surrounding the plaque (red arrows). (D) Large atheroma (red asterisk) with optical empty needle-like cholesterol crystals
(insert); thick fibrous cap (black arrows). (E) evident atheroma with foam cells (red asterisk), thick fibrous cap (black arrows) and
scattered areas of calcification (red arrows). (F) Thick fibrous cap rich in vascular smooth muscle fibrocells (black arrows). A, B,
C
, D, E, original magnification 2,5x; scale bars:100 μm. F and insert in C, original magnification 10x; scale bars:50 μm. Insert in D,
original magnification 20x; scale bar:10 μm.

Musumeci et al.Journal of Histology & Histopathology  2014 1:4DOI : 10.7243/2055-091X-1-4