erythema chronicum migrans (Lyme disease)
Histologic Features
- A normal cornified layer and epidermis
- Edema of the papillary dermis
- A moderately dense, well-marginated lymphohistiocytic infiltrate with a few plasmocytes around the superficial and deep vessels
- A few histiocytes, solitary eosinophils and lymphocytes between collagen bundles in the interstitium
- Spirocettes demonstrated in the subepidermal region by the Warthin Starry stain
Updated Wednesday, July 31, 2013 8:30:48 PM