dermatosis papulosa nigra
Histologic Features
- Small pedunculated lesion less than 5 mm. in diameter with
- A basket-weave horn
- Papillomatosis and acanthosis of the epidermis with horn pseudocysts
- Hyperpigmentation of the basal layer
- Melanophages in the dermis
- Dilated dermal vessels
Updated Wednesday, July 31, 2013 8:30:48 PM