This 22 year old female sought routine treatment at a hospital dental clinic. In addition to numerous caries, a diffuse bluish compressible slightly elevated mass was noted in the mandibular left mucobuccal fold.
These are the two most likely choices due to the size of the tumor and the presence of variously sized locules.
- Minor salivary gland tumor (some salivary gland tumors have a blue coloration, particularly acinic cell carcinoma. However, these salivary gland tumors tend to be more well-defined than hemagiomas.)
Slide 1 (medium power, H&E). There are variously sized endothelium-lined vascular channels, some of which are filled with blood. These vessels are supported by a dense fibrous connective tissue stroma.
Diagnosis: Hemangioma, cavernous type
(This tumor did exhibit blanching upon pressure which is characteristic of cavernous hemangiomas and vascular tumors with large feeder vessels.)