chronic urticaria
Histologic Features
- A basket-weave cornified layer
- Slight edema of the papillary dermis
- Few extravasated red blood cells in the upper dermis
- A sparse superficial perivascular lymphohistiocytic infiltrate with a few eosinophils and neutrophils
- Dilated blood vessels of the superficial plexus
Updated Wednesday, July 31, 2013 8:30:48 PM