A pigmented calcifying cystic odontogenic tumor

A case of a pigmented calcifying cystic odontogenic tumor (CCOT) localized in the mandible occuring in a 16-year-old white female - is reported, and the characteristic histomorphologic features of CCOT and the pathogenesis of melanin and melanocytes present in the pigmented type is discussed under the light of histochemical and immunohistochemical data.