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Mucosal retention cyst

Mucosal retention cyst

  • Well defined, round, dome-shaped radiopacity in the floor of the maxillary sinus.
  • It is always asymptomatic and discovered incidentally during radiographic examination.
  • It may located in one sinus or bilaterally.

Different cases of mucosal retention cysts (CBCT images).

Mucosal retention cysts in left and right sinus.