dermatofibroma with monster cells
Histologic Features
- Epidermal hyperplasia with hypermelanosis of the basal layer with hair bulb formation
- A moderately cellular neoplasm with disorderly arrangement of plump spindle cells
- Many pleomorphic hyperchromatic giant cells with foamy cytoplasm and florette like giant cells
- Bundles of keloidal collagen interspersed between the spindle cells
- Rare mitoses
- Hemosiderin deposition within the neoplasm
- Lymphoid aggregates at the base of the neoplasm
Updated Wednesday, July 31, 2013 8:30:48 PM