Figure 3
From: A comparative study between mixed-type tumours from human salivary and canine mammary glands
Immunohistochemical aspects of β-catenin antigen stain; original magnification, 40×. (A) Pleomorphic adenoma in human salivary gland with membrane and cytoplasmic β-catenin stain; (B) Mixed tumour in canine mammary tumour with membrane and cytoplasmic β-catenin stain; (C) Carcinoma ex-pleomorphic adenoma in human salivary gland showing β-catenin nuclear stain (arrows); (D) Metaplastic carcinoma in canine mammary gland showing β-catenin nuclear stain (arrows).