Most common sire for osteoma is:
Maxillary sinus
Ethmoid sinus
Frontal sinus
Sphenoid sinus
Craniofacial osteomas are begin tumors often originating in the paranasal sinuses. The frontal sinus is the most frequent location followed by the ethmoid,Maxillary and sphenoid sinus,respectively Age of presentation=second to fifth decade with a male-female ratio-3:1. Ref .Scott Brown 7/e,Vol 2,p 1521.
Nose and paranasal sinuses