urticarial drug eruption
Histologic Features
- A basket-weave cornified layer
- Edema in the papillary dermis
- A superficial and deep perivascular and interstitial mixed-cell infiltrate containing lymphocytes. many eosinophils and a few neutrophils
- A tendency for the infiltrates to extend deeper into mid dermis
- Dilated blood vessels
Updated Wednesday, July 31, 2013 8:30:48 PM