palisaded neutrophilic and granulomatous dermatitis
Histologic Features
- A palisading granuloma consisting of histiocytes and lymphoA palisaded granuloma consisting of histiocytes, giant histcytes surrounding a central focus of altered collagen bundliocytes and lymphocytes surrounding a central focus of altered collagen bundleses with
- Neutrophilic debris and abundant fibrin deposition
- Mucin deposition between thickened collagen bundlesMucin deposition between thickened collagen bundles
- Small-vessel leukocytoclastic vasculitis
- A perivascular infiltrate of lymphocytes with scattered eosinophils
- Fibrosis of the dermis between granulomasFibrosis of the dermis between granulomas
Updated Wednesday, July 31, 2013 8:30:48 PM