Histologic features of surgical wounds after the application of topical antiseptics. Regardless of treatment group, (A) mice with tented surgical wounds exhibited appropriate granulation tissue and fibrosis (inset, asterisk) and epidermal hyperplasia (inset, arrowhead). (B) Mice with flat surgical wounds exhibited additional histologic features, including ulceration and intralesional bacteria (inset, arrow). Hematoxylin and eosin stain; magnification, 4× (inset, 40×).