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

Figure 4

Surgical site urethra histological observation 2 w after operation. (a) Control, HE; (b) SIS, HE; (c) control, Mallory; (d) SIS, Mallory. The suture was found in (a) and (c), and acute inflammation cells were most observed around the suture (arrow). SIS material was identified in images (b) and (d) (arrow); there was no significant inflammatory cell proliferation around the material. The star marks the urethra in images (c) and (d).

(a)

(b)

(c)

(d)