CASE HISTORY / CLINIC:
28-year-old patient with painless palpable swelling in the palate and impaired nasal breathing.


FINDINGS:
The contrast-enhanced CT scan (upper left image) reveals an inhomogeneous contrast-enhancing mass in the palate. The bony destruction of the palate is well demonstrated in the bony window scan (upper right image). A polypous swelling of the mucous membrane of the right maxillar sinus is demonstrated as a side finding.
The craniocaudal extension of the mass is well demonstrated in the coronal CT scan (lower image). The extension of the mass between the oral cavity and the main nasal cavity can be seen.


DIAGNOSIS:
Giant-cell granuloma


DIFFERENTIAL DIAGNOSIS:
Pleomorphic adenoma, oropharyngeal carcinoma



Web resources:

1) Medecoinfo