xanthogranuloma
Histologic Features
- A thin epidermis, with collarettes of epithelium on either site
- A dense and diffuse infiltrate consisting of foamy histiocytes
- Numerous Touton giant cells characterized by a wreath of nuclei, an eosinophilic center, and a foamy periphery
- Aggregates and scattered single lymphocytes and neutrophils
- A mixed cell infiltrate at the periphery of the lesion
- Traces of fibrosis in the stroma
Updated Wednesday, July 31, 2013 8:30:48 PM