The keratinizing and calcifying odontogenic cyst (Gorlin cyst)

A 61-year-old white woman had a radiolucent lesion in the anterior portion of the mandible which was diagnosed as a keratinizing and calcifying odontogenic cyst. As it has a radiographic appearance similar to other pathologic processes, it should be considered in the differential diagnosis when a radiolucent-radiopaque lesion is encountered.