SUPERFICIAL AND DEEP PERIVASCULAR DERMATITIS
SPONGIOTIC- SPONGIOTIC ONLY
| Lymphocytes predominate | Sparse perivascular infiltrate of lymphocytes | Phodoallergic dermatitis early |
| Moderately dense perivascular infiltrate of lymphocytes | Polymorphous light eruption | |
| Eosinophils prominent | Wedge-shaped infiltrate, eosinophils in reticular dermis mostly | Arthropod assault and simulators of it |
| Eosinophils in papillary dermis mostly | Bullous pemphigoid Herpes gestationis, urticarial |