aphthous ulcer
Histologic Features
- A central ulcer with a thick fibrin bed containing numerous neutrophils
- A lichenoid infiltrate consisting of histiocytes, lymphocytes, neutrophils and a few eosinophils
- Widely dilated capillaries in the lamina propria
- Slight hyperplasia of the surrounding epithelium
Updated Wednesday, July 31, 2013 8:30:48 PM