CT
A large well-defined unilocular cyst in the body of the left hemi-mandible with minimal extension into the anterior aspect of the ramus. The lesion is of intermediate attenuation value with an average density of 25HU. Thinning of lingual cortex and erosion of buccal cortex of the body of the left hemi-mandible with extra-osseous extension into left buccal space. Mesially rotated impacted left lower third molar tooth (38) with the cyst surrounding the crown of the tooth. Anterior bony dehiscence of left inferior alveolar nerve canal by the cyst.
Another smaller unilocular cyst noted at the crown of right lower third molar tooth (48). The right lower third molar tooth is impacted as well.