9301/0 Calcifying odontogenic cyst


ICD-O-3 topography code: C40-C41

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.