Using of Single-Layer Porcine Small Intestinal Submucosa in Urethroplasty on a Beagle Model

Figure 5

Surgical site urethra histological observation 4 w after operation. (a) Control, HE; (b) SIS, HE; (c) control, Mallory; (d) SIS, Mallory. The star marks the urethra in images (a) and (c). SIS material can noticed in images (c) and (d); the material partially disintegrates and the continuity is broken (arrow in image (b)). A small amount of blue-stained collagen along the material can be seen in image (d) (arrow). A large amount of blue-stained collagen can be observed in image (c).

(a)

(b)

(c)

(d)