RESUMO
Widespread melanocytic nevi may rarely appear suddenly after a severe bullous disease. We describe two patients in whom eruptive melanocytic nevi developed 3 weeks after a severe episode of Stevens-Johnson syndrome. Benign melanocytic proliferation may develop after a bullous dermatosis and should not be confused with malignant or metastatic melanoma.
Assuntos
Neoplasias de Cabeça e Pescoço/etiologia , Nevo Pigmentado/etiologia , Neoplasias Cutâneas/etiologia , Síndrome de Stevens-Johnson/complicações , Adolescente , Biópsia , Feminino , Neoplasias de Cabeça e Pescoço/patologia , Humanos , Masculino , Pescoço , Nevo Pigmentado/patologia , Pele/patologia , Neoplasias Cutâneas/patologia , Síndrome de Stevens-Johnson/patologia , Fatores de TempoRESUMO
The World Health Organization estimates that approximately 400,000 new cases of leishmaniasis occur worldwide each year. Cutaneous leishmaniasis is being encountered more frequently in the United States because of increasing travel and immigration from endemic areas. The indications for treatment and recommended treatment regimens reported in the infectious disease and dermatology literature vary widely. We examine both classic and newly developed therapeutic agents and modalities for cutaneous leishmaniasis. Proper therapy depends on species identification. New World leishmaniasis, in general, requires more aggressive therapy; parenteral antimonials are the drugs of choice. Physical modalities may suffice in most cases of Old World leishmaniasis because of its strong tendency toward spontaneous resolution.
Assuntos
Leishmaniose Cutânea/tratamento farmacológico , América , Antimônio/efeitos adversos , Antimônio/uso terapêutico , Humanos , Leishmaniose Cutânea/parasitologia , Leishmaniose Cutânea/terapia , Organização Mundial da SaúdeRESUMO
The nonvenereal treponematoses--yaws, endemic syphilis, and pinta--constitute a major health concern for many third world countries. These diseases are caused by an organism that is morphologically and antigenically identical to the causative agent of venereal syphilis, Treponema pallidum. Nonvenereal treponematoses differ significantly in their modes of transmission, epidemiology, and clinical presentation from venereal syphilis. Like venereal syphilis, they have a chronic relapsing course and have prominent cutaneous manifestations. Recently, several cases of imported yaws and endemic syphilis have been described in Europe. With the escalating U.S. military presence in many remote areas of the world and ever-increasing world-wide travel, the diagnosis of the nonvenereal treponematoses must be considered in appropriate clinical and historical situations.