SUPERFICIAL AND DEEP PERIVASCULAR DERMATITIS

INTERFACE - VACUOLAR

Lymphocytes predominate Basement membrane sometimes thicked, smudged interface, thinned epidermis DLE
Individual necrotic keratinocytes, ballooning, parakeratosis PLEVA
Neutrophils and eosinophils prominent Individual necrotic keratinocytes, ballooning, Fixed drug eruption