A 74 year old man has a slowly growing parotid mass growing on his right arm. It is 3cm in diameter on evaluation, and 1 cm lesion is also found in his right paroid gland. the right lesion is excised and is well circumscribed. It is charecterized by small cystic spaces lined by cells with very granular pink cytoplasm. Abundant lymphocytes are seen in the supporting stroma. Your diagnosis:
A. Pleomorphic adenoma
B. Warthin tumor (adenolymphoma)
C. Adenoid cystic carcinoma
D. Mucoepidermoid carcinoma
Answer
Category:
Oncology MCQs
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