This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Salivary Glands, Subject name: Surgery
[{'content': 'Treatment of pleomorphic adenoma without facial nerve infiltration and limited to superficial lobe: \nSelect and explain. \nA. Superficial parotidectomy, B. Total parotidectomy, C. Parotidectomy followed by radiotherapy, D. Observation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Pleomorphic adenoma: * Most common salivary gland tumor * Benign, painless tumor with no facial nerve involvement * Most common site - Parotid, Submandibular, Sublingual, minor salivary gland * Location: Infront, below and behind ear lobule * Pathology: Mixed tumor has both epithelial and mesenchymal component * Tumor has finger like projections (pseudopodia)- so, Enucleation is C/I * Diagnosis: FNAC * Treatment: Superficial Parotidectomy', 'role': 'assistant'}]