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Photoallergic dermatitis and phototoxic dermatitis, as their names denote, are eruptions induced by ultraviolet light. The two conditions have features in common clinically and histopathologically, a situation that may pose problems in diagnosis for clinicians and histopathologists. Photoallergic dermatitis and phototoxic dermatitis share the following attributes histopathologic: perivascular infiltrates that involve at least the vessels […]