Figure 2 –All images illustrate: a) Prostatic epithelium height and the epithelium and lumen area densities, Hematoxylin-Eosin, 600x; b) Smooth muscle area density, Immunohistochemistry with α-smooth muscle actin, 400x; c) Mast cell count, Toluidine count, Toluidine Blue, 600x; d) General distribution of collagen, picrosirius under polarized light, 100x.