This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Pathology
Pleomorphic adenoma has? 
Select and explain. 
A. Columnar cells enclosing lymphoid stroma, B. Exclusively myoepithelial cells, C. Epithelial cells in chondroid matrix, D. Nests of squamous cells & vacuolated cells containing mucin
C: Epithelial cells in chondroid matrix
Answer: C: Epithelial cells in chondroid matrix 
Explanation: Mixed tumour of salivary gland (pleomorphic adenoma) is derived from a single clone (either myoepithelial or ductal reserve cell) and giving rise to two components, namely epithelial and myoepithelial (stromal elements) cells Pleomorphic adenoma: Encapsulated but pseudopodia (fingerlike projections) into the surrounding gland.