01-22-2010, 04:47 PM
A 56-yo man has a slow-growing mass involving the right parotid region that he has noticed for the past year. For several months he has experienced pain in this area. Surgical excision is undertaken and the mass is 4 cm in diameter and found to be invading surrounding structures, including the facial nerve. This neoplasm is probably a(an):
A. Adenoid cystic carcinoma
B. Squamous cell carcinoma
C. Warthin's tumor
D. Pleomorphic adenoma
E. Metastatic laryngeal carcinoma
A. Adenoid cystic carcinoma
B. Squamous cell carcinoma
C. Warthin's tumor
D. Pleomorphic adenoma
E. Metastatic laryngeal carcinoma