phototoxic contact dermatitis
Histologic Features
- Ballooning degeneration and necrosis of upper keratinocytes
- Focal spongiosis and spongiotic vesicles
- Marked edema of papillary dermis
- Vacuolar alteration at the dermoepidermal junction
- Extravasated erythrocytes
- A moderately dense superficial and deep perivascular lymphohistiocytic infiltrate containing a few eosinophils
Updated Wednesday, July 31, 2013 8:30:48 PM