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': 'The salivary gland neoplasm which characterstically spreads perineurally along the cranial nerves is \nSelect and explain. \nA. Pleomorphic adenoma, B. Acinic cell carcinoma, C. Mucoepidermoid carcinoma, D. Adenoid cystic carcinoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Perineural involvement is a well-recognized clinicopathologic entity found in head and neck (H&N) cancers, including mucosal epithelial carcinomas and salivary gland malignancies,esp,adenoid cystic carcinoma(31-96%).', 'role': 'assistant'}]