pityriasis rosea
Histologic Features
- Mounds of parakeratosis
- Focal spongiosis beneath parakeratosis
- Lymphocytic exocytosis
- Edema of dermal papillae
- Extravasated erythrocytes
- A few melanophages in the papillary dermis
- A sparse to moderate superficial perivascular lymphohistiocytic infiltrate with an occasional eosinophil
Updated Wednesday, July 31, 2013 8:30:48 PM