This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Surgery
[{'content': 'Most common tumor of parotid \nSelect and explain. \nA. Wahins tumor, B. Pleomorphic adenoma, C. Adenolymphoma, D. None', 'role': 'user'}, {'content': "Answer: B \nExplanation: The parotid gland is the most common site for salivary gland tumors and most tumors arise in the superficial lobe. Majority of parotid gland tumors are benign (~90%), the most common tumor being pleomorphic adenoma, next being Wahin's tumor Also Remember Most common malignant tumor of parotid - Mucoepidermoid Ca > Adenoid cystic carcinoma The most common malignancies in the pediatric population are mucoepidermoid carcinoma and acinic cell carcinoma. Ref : Bailey & Love 25/e p761", 'role': 'assistant'}]