SUPERFICIAL PERIVASCULAR DERMATITIS
NO EPIDERMAL INVOLVEMENT
| Perivascular - Lymphocytes Predominate | Hyphae and spores in cornified layer | Tinea versicolor Dermatophytosis |
| Corynebacteria in cornified layer | Erythrasma Pitted keratolysis |
|
| No melanocytes in basal layer | Vitiligo | |
| Extravasated erythrocytes and/or siderophages | Schamberg's disease | |
| No other abnormalities | Viral exanthemas of some kinds Drug eruption (one type) Urticaria, late Erythema figuratum, superficial |