Figure 2From: A comparative study between mixed-type tumours from human salivary and canine mammary glandsImmunohistochemical aspects of p63 antigen stain; original magnification, 40×. (A) Pleomorphic adenoma in human salivary gland; (B) Mixed tumour in canine mammary tumour; (C) Carcinoma ex-pleomorphic adenoma in human salivary gland; (D) Metaplastic carcinoma in canine mammary gland. Note myoepithelial p63-negative cells in malignant tumours (arrows).Back to article page