| CPC 18 | ||
| Clinical description: A 28 year old female presented with a firm, lobulated mass of posterior hard palate and alveolar ridge. The mass was slow-growing, painless, and had been present for two years. The surface of the mass is focally ulcerated and covered by a white slough. | ||
 | ||
| Histologic findings: | ||
 |  |  |
