From: Central Mucoepidermoid carcinoma of mandible – A case report and review of the literature
1. Intact cortical plates (However, cortical perforation does not exclude PIOC type 4) |
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2. Radiographic evidence of bony destruction |
3. Exclusion of another primary tumour that in its metastasis could histologically mimic the central tumour |
4. Exclusion of an odontogenic tumour |
5. Histopathological confirmation |
6. Detectable intracellular mucin. |