This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
The following are the high grade salivary gland malignancies, except: 
Select and explain. 
A. Basal cell adenocarcinoma, B. Mucoepidermoid carcinoma, C. Adenoid cystic carcinoma, D. Salivary duct carcinoma
A: Basal cell adenocarcinoma
Answer: A: Basal cell adenocarcinoma 
Explanation: Basal cell adenocarcinoma of salivary glands is an uncommon neoplasm occurring almost exclusively in major salivary glands. It is a low-grade malignant neoplasm, cytologically similar to basal cell adenoma, but is infiltrative and has a small potential for metastasis.
Reference: Shafer’s Textbook of ORAL PATHOLOGY Eighth Edition page no 285