Fig. 3From: Hypoluteoidism in a dog associated with recurrent mammary fibroadenoma stimulated by progestin therapy a Photomicrograph of the fibroadenoma. The neoplasm is characterized by epithelial cells arranged in ductal structures and surrounded by an edematous connective tissue. H&E. Bar = 50 µm. b Mitotic figures can be seen in the neoplasm (arrows). H&E. Bar = 10 µmBack to article page