Most common malignancy in maxillary Sinus is:: (A) Squamous cell Ca, (B) Muco-epidermal Ca, (C) Adeno-cystic Ca, (D) Adenbcarcinoma
Answer is A. Malignant tumors of the nasal cavity and paranasal sinuses are rare, with poorly differentiated squamous cell carcinoma of the maxillary sinus being the most common.