dermatofibroma
Histologic Features
- Basal hyperplasia and hyperpigmentation of the overlying epidermis
- Hair bulb and sebaceous gland induction of the overlying epidermis
- Fascicles of spindle cells with oval nuclei haphazardly arranged
- A nonfascicular proliferation of oval fibroblasts within a demarcated focus in the dermis
- Keloidal collagen bundles mixed among the spindle cells
- An increased number of small blood vessels
- A deposition of hemosiderin
Updated Wednesday, July 31, 2013 8:30:48 PM