Pathogenesis and Nomenclature of Odontogenic Carcinomas: Revisited

Table 5

2005 WHO classification of odontogenic carcinomas [1].

Types	Odontogenic carcinomas
9310/3	Metastasizing (malignant) ameloblastoma
9270/3	Ameloblastic carcinoma—primary type; 9270/3: ameloblastic carcinoma—secondary type (dedifferentiated), intraosseous; 9270/3: ameloblastic carcinoma—secondary type (dedifferentiated), peripheral; 9270/3: primary intraosseous squamous cell carcinoma—solid type; 9270/3: primary intraosseous squamous cell carcinoma derived from keratocystic odontogenic tumour; 9270/3: primary intraosseous squamous cell carcinoma derived from odontogenic cysts
9341/3	Clear cell odontogenic carcinoma
9302/3	Ghost cell odontogenic carcinoma