Gingival cyst of adult--a case report with unusual findings

Gingival cysts of adult are rare odontogenic cysts of developmental origin. They occur as swellings on the gingiva, most commonly between 5th and 6th decade of life and usually do not exceed 1cm in size. The epithelial lining of these cysts are thin non-keratinised and are thought to arise from the rests of dental lamina. We report a case of multicystic variant of a gingival cyst in adult patient with few unusual findings regarding the age of occurrence, size of the lesion and the histopathological appearance. Gingival cyst of adult occurring in an 18-year-old male patient, measuring about 3 x 4 sq. cms on the facial attached gingiva in relation to 42, 43, and 44 was observed. The histopathological findings were that of the rare multicystic variant with keratinised lining and epithelial plaques in the lining. The lumen of the cyst showed keratin with one of the lumen showing calcifications within it. This case documents many interesting and unusual findings in gingival cyst of adults. It appears to be the first documentation of gingival cyst of adult containing calcifications within the cystic lumen.