BackgroundChildhood is a dynamic period regarding nevogenesis. Dermoscopy is a
noninvasive technique, recommended for the evaluation of pigmented cutaneous
lesions.ObjectivesThe purpose of this study was to describe the structures and dermoscopic
patterns of melanocytic nevi observed in children and adolescents.MethodsDermoscopy with photographic documentation was used for nevi located on the
face, trunk, and extremities of 38 patients aged from one to 16 years
examined at the Pediatric Dermatology Outpatient Clinic of the Federal
University of São Paulo.ResultsThe study included 201 skin lesions that were diagnosed as nevi during clinic
examination. Upon evaluation of the global dermoscopic pattern of the
lesions, the most frequently observed nevi were reticular (39.0%), followed
by homogeneous (23.9%) and globular nevi (16.4%). During evaluation of the
dermoscopic structures, according to the body site, the pigment network was
the most observed in the extremities.Study limitationsA limitation to be considered is that the inclusion of small or new lesions
may hinder the differentiation between dots and globules.ConclusionsIn our study, the most observed pattern was reticular. There was a difference
in the predominance of structures dependent on the anatomical location.
Lentigo maligno é um melanoma in situ que mais comumente surge em áreas expostas à radiação ultravioleta, nos pacientes idosos. O tratamento é realizado, principalmente, para minimizar o risco de progressão para lentigo maligno melanoma. O presente relato se refere a uma paciente idosa com lesões recorrentes de lentigo maligno na face, tratada com sucesso com imiquimod tópico, mostrando que este pode ser um tratamento útil, em determinados casos da doença.
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