Pathology A Salivary gland tumour, which histologically shows a double layer of epithelial cells based on a reactive lymphoid stroma, is A Pleomorphic adenoma B Mucoepidermoid carcinoma C Acinic cell tumour D Warthin tumour 💡 Explanation A Salivary gland tumour, which histologically shows a double layer of epithelial cells based on a reactive lymphoid stroma, is ✓ Correct Answer: D. Warthin tumour