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
A patient presented with gradually progressive painless mass since 10 years. It is firm to nodular & variable in consistency at each site. Most probable diagnosis is: 
Select and explain. 
A. Dermoid cyst, B. Sebaceous cyst, C. Pleomorphic adenoma, D. Malignancy
C: Pleomorphic adenoma
Answer: C: Pleomorphic adenoma 
Explanation: Pleomorphic adenoma: MC Benign salivary 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