Carcinomas arising within the jaws may be classified based on a modification of the original WHO International Histological Classification.
Type
Description
1
Primary intraosseous carcinoma ex odontogenic cyst.
2
Ameloblastoma
3
Primary intraosseous carcinoma arising de novo
Subtypes of ameloblastoma:
Type 2A: Malignant ameloblastoma (well-differentiated)
Type 2B: Ameloblastic carcinoma (poorly differentiated)
Subtypes of ameloblastoma based on preceding lesion:
(1) de novo (central vs peripheral)
(2) ex ameloblastoma
(3) ex odotogenic cyst
Subtypes of primary intraosseous carcinoma arising de novo
Type 3A: nonkeratinizing
Type 3B: keratinizing
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Specialty: Hematology Oncology, Surgery, general, Otolaryngology
