The most common site of osteoma is: (A) Maxillary sinus, (B) Ethmoidal sinus, (C) Frontal sinus, (D) Sphenoidal sinus
Answer is C. The commonest site of osteoma in the PNS is frontal sinus.Commonest benign tumor of PNS is an osteomaMost common benign tumor of the nose is capillary hemangioma (nasal septum)Gardner`s syndrome- Colonic polyposis, multiple soft tissue swellings, and facial osteomas(Autosomal Dominant hereditary defect of connective tissue)Ref: Hazarika; 3rd ed; Pg 370