angiofibroma
Histologic Features
- A thin hypermelanotic epidermis with an increased number of melanocytes
- Concentric rings of coarse collagen around vessels and hair follicles
- An increased number of large fibroblasts, some stellate-shaped and others multinucleated
- Widely dilated blood vessels, some with thickened vessel walls
Updated Wednesday, July 31, 2013 8:30:48 PM