[Show abstract][Hide abstract] ABSTRACT: Most melanocytic lesions in children are considered ‘nonproblematic’ and are managed conservatively because of their invariable benignity. Congenital melanocytic nevi (CMN) and Spitz nevi are the most problematic pigmented lesions in childhood. Regarding CMN, the biggest risk of melanoma development occurs with increased nevus size, being particularly high in giant CMN, in children younger than 10 years. On the other hand, awareness should be related to new, rapidly growing lesions (the clinical hallmark of Spitz/Reed nevi and melanoma). The aim of this review is to present clinical and dermoscopic features of a large spectrum of pediatric melanocytic lesions with special attention to problematic lesions that may occur in childhood.
[Show abstract][Hide abstract] ABSTRACT: Dermoscopy has dramatically developed, becoming a well-established routine technique in many countries in the mid-1980s. Dermoscopy allows physicians to observe structures and colors otherwise not visible to unaided eyes, increasing melanoma diagnostic accuracy by up to 35%. Moreover, dermoscopy allows for increases in the number of diagnosed and excised melanomas together with a reduction in the number of unnecessary excisions. New data are continuously acquired mostly on melanoma diagnosis, follow-up of melanocytic lesions and nevogenesis. Short-term 3-month follow-up is the optimum time interval for identifying minimal changes in featureless melanomas. Nevertheless, long-term follow-up is similarly useful for the recognition of changes in melanomas with very low rates of growth. In the last few years a huge number of publications on dermoscopy have been published. The aim of this review is to summarize the most important recent advances in dermoscopy.
[Show abstract][Hide abstract] ABSTRACT: Recent research suggests that scalp naevi differ with respect to their epidemiology, patients' characteristics and morphological patterns, but up to date a classification of scalp naevi is lacking.
To investigate the prevalence together with clinical and dermoscopic features of scalp naevi detected in persons attending a skin cancer screening program and to elaborate a classification of scalp naevi based on their most common morphological patterns.
Participants were recruited during the melanoma prevention program "sun watch" of the Austrian Cancer Aid in Styria. Each participant received a clinical and dermoscopic total body skin examination including the scalp. For each participant, demographics and clinical characteristics including number of scalp naevi were recorded. Clinical and dermoscopic photographs of at least one scalp naevus per participant were taken and evaluated for specific clinical and dermoscopic features.
A total of 867 subjects, including 119 (13.7%) participants with scalp naevi, participated in the study. Compared to those without scalp naevi, subjects with scalp naevi were significantly younger, were more often men and exhibited more often congenital naevi on the body (P < .01 for all). Analysis of the clinical and dermoscopic variability of scalp naevi allowed for a proposal to classify scalp naevi into 6 main groups, namely common, papillomatous, eclipse, congenital, blue and atypical naevus.
Scalp naevi can be classified into 6 morphological groups; scalp lesions deviating from these 6 main patterns should be carefully managed to rule out melanoma. This article is protected by copyright. All rights reserved.
British Journal of Dermatology 11/2013; · 3.76 Impact Factor
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