Fig. 1.

Clinical manifestations and treatment response of the patient. a Before treatment, multiple, variably sized, coalescent, pruritic erythematous urticarial papules and plaques on the thigh are shown. b Seven days later, both subjective and objective improvements of symptoms were noticed. c After the second session, almost total relief of subjective symptoms and moderate postinflammatory hyperpigmentation were noted on follow-up 12 days later.