NODULAR AND DIFFUSE DERMATITIS
DIFFUSE - Neutrophils predominate
| No vasculitis | Nonsuppurative | Sweet's syndrome/ Inflammatory bowel disese/ Rheumatoid neutrophilic dermatitis |
| Suppurative, with remnant of follicle | Pyoderma gangerenosum | |
| Follicular cyst, ruptured | ||
| Vasculitis (leukocytoclastic) | Granuloma faciale/ Erythema elevatum diutinum |