Head and Neck Onco MCQs 6-10

Q)Most common site of inverted papilloma
A. Maxillary sinus
B. Ethmoid sinus
C. Lateral nasal wall
D. Maxillary + ethmoid sinus

Ans c

Inverted papillomas are nasal tumors that originate in the mucosal membrane of the nasal cavity and paranasal sinuses.

Squamous cell carcinoma is the most common malignancy associated with inverted papillomas.

Inverted papilloma sites

Most common  site is lateral nasal wall ( 68%)

Ethmoid and maxillary sinus (57%)

Septum (28%)

Intracranial extension is associat doed  with carcinoma

Ref Devita