This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head & Neck, Subject name: Pathology
Following is true about pleomorphic adenoma except - 
Select and explain. 
A. it is also called mixed tumor, B. It most commonly in%rolves the parotid gland, C. Does not involve the submandibular gland, D. It is the commonest neoplasm of the salivary glands
C: Does not involve the submandibular gland
Answer: C: Does not involve the submandibular gland 
Explanation: Ans. is 'c' i.e., Does not involve the submandibular glandPleomorphic adenomao This is the Commonest neoplasm of Salivary glands.o The most Common salivary gland involved is Parotid - represent about 60% tumors in the parotid,o Submandibular and minor salivary glands may also be involved rarely,o Pleomorphic adenoma - Parotid > Submandibular > minor salivary glands.o They are derived from a mixture of ductal (epithelial ) and myoepithelial cells and therefore they show both epithelial and mesenchymal differentiation - Also called mixed tumor.