Incidence of mucocele is lowest in
Paranasal sinus mucocelesmost commonly occur in the third or fourth decades of life with a slight male predilection.
The frontal sinus is most commonly affected followed by the ethmoid sinuses, with reports suggesting 70–90 % of mucoceles occur in these locations.
Ten percent of mucoceles occur in the maxillary sinus and the sphenoid sinus is involved rarely
Frontal sinus
Sphenoid sinus
Maxillary sinus
Ethmoid sinus
Sphenoid sinus