NCIt definition : A benign, intraosseous or extraosseous cystic neoplasm arising from tooth-forming
tissues. It is characterized by the presence of a cyst lined by an ameloblastoma-like
epithelium and ghost cells formation. The ghost cells may undergo calcification. It
is treated with enucleation. Few recurrences have been reported for intraosseous neoplasms
whereas no recurrences have been reported for extraosseous neoplasms.;