seborrheic keratosis, adenoid type
Histologic Features
- Laminated compact orthokeratosis
- Large keratin-filled horn pseudocysts
- Interlacing cords of epithelium emanating from the under surface of the epidermis and from the adnexal structures
- Hyperpigmentation of the basal layer
- Absence of keratinocytic atypia
- Solar elastosis of the upper dermis
Updated Wednesday, July 31, 2013 8:30:48 PM