Ocronose exógena: relato de caso Exogenous ochronosis: a case report Relato de Caso

Introduction: Exogenous ochronosis is characterized by asymptomatic black-bluish hyperpigmentation, typically located in the face, neck, dorsum and the extensor surfaces of the extremities. It most frequently results from using hydroquinone. Objective:To highlight the use of several therapeutic modalities in order to obtain satisfactory treatment results. Method: The treatment began with the application of Nd:YAG laser. Since there was no response, ultrapulse CO 2 laser was indicated. Still without satisfactory results, a combination of intense pulsed light, microdermabrasion and chemical peels was carried out. Results: The total resolution of the lesions was verified. Conclusion: Exogenous ochronosis is difficult to treat, sometimes requiring the combination of several treatment methods.