Calcifying Cystic Odontogenic Tumor with Ameloblastoma: A Case Report with Review of the Literature

controversies existed regarding the relationship between non-neoplastic cystic lesions and solid tumor masses. The so-called COC shows great diversity in the spectrum of clinical behavior and histopathological features, including cystic, solid (neoplastic), and aggressive (malignant) variants, because of which different categorization and nomenclature for the lesion have been proposed. In the 2005 WHO classification, these tumors were reclassified into 3 categories: calcifying cystic odontogenic tumor, a benign cystic neoplasm; dentinogenic ghost cell tumor (DGCT); and ghost cell odontogenic carcinoma (GCOC), which is the malignant variant of CCOT or DGCT.3 In the present case report, we emphasize the rarity of the lesion and highlight various histopathological features of current CCOT types from other subtypes.