erythema dyschromicum perstans (Ashy dermatosis)
Histologic Features
- A basket-weave cornified layer
- Slight epidermal hyperpigmentation
- Vacuolar alteration of the basal layer
- Melanophages in numbers at the subepidermal region
- A sparse superficial perivascular lymphohistiocytic infiltrate
Updated Wednesday, July 31, 2013 8:30:48 PM