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EnglishBACKGROUND: The dermoscopic features of acral acquired melanocytic naevi have been extensively reported in the adult population. Little knowledge is available on acral naevi in childhood and adolescence. OBJECTIVES: Firstly, to characterize the frequency of dermoscopic features of acral naevi and their distribution according to age groups in children and adolescents; and secondly, to analyse the type and frequency of their dermoscopic changes over time. METHODS: A retrospective evaluation of baseline and follow-up dermoscopic images of acral naevi in Italian patients aged 0-18 years was carried out. RESULTS: Dermoscopic images of 75 acral naevi (39 in children and 36 in adolescents) in 69 patients were evaluated. The parallel furrow was the most common pattern (71%), followed by the crista dotted pattern (21%). A difference in the distribution of global patterns was observed between children and adolescents (P = 0·02). Combination patterns were detected in 32% of lesions, with association of the crista dotted and parallel furrow patterns in 62% of these. Follow-up images were available for 31/75 acral naevi (41%), with a median follow-up period of 32 months (range 4-85). Morphological variations during follow-up were identified in 61% of lesions. Global changes involved mainly naevi with a baseline parallel furrow pattern, after a follow-up of > 30 months. A decrease of local criteria during follow-up was observed in 48% of lesions. CONCLUSIONS: Parallel furrow and crista dotted patterns, either alone or in combination, were the most common dermoscopic patterns. Morphological changes during follow-up were frequent, involving mainly the parallel furrow pattern with a decrease of local criteria. Recognition of the dermoscopic features of acral naevi of children and adolescents is important to improve proper management and reduce the number of unnecessary excisions
| Titolo: | Dermoscopic features and follow-up changes of acral melanocytic naevi in childhood and dolescence. |
| Autori: | |
| Data di pubblicazione: | 2014 |
| Rivista: | |
| Abstract: | BACKGROUND: The dermoscopic features of acral acquired melanocytic naevi have been extensively reported in the adult population. Little knowledge is available on acral naevi in childhood and adolescence. OBJECTIVES: Firstly, to characterize the frequency of dermoscopic features of acral naevi and their distribution according to age groups in children and adolescents; and secondly, to analyse the type and frequency of their dermoscopic changes over time. METHODS: A retrospective evaluation of baseline and follow-up dermoscopic images of acral naevi in Italian patients aged 0-18 years was carried out. RESULTS: Dermoscopic images of 75 acral naevi (39 in children and 36 in adolescents) in 69 patients were evaluated. The parallel furrow was the most common pattern (71%), followed by the crista dotted pattern (21%). A difference in the distribution of global patterns was observed between children and adolescents (P = 0·02). Combination patterns were detected in 32% of lesions, with association of the crista dotted and parallel furrow patterns in 62% of these. Follow-up images were available for 31/75 acral naevi (41%), with a median follow-up period of 32 months (range 4-85). Morphological variations during follow-up were identified in 61% of lesions. Global changes involved mainly naevi with a baseline parallel furrow pattern, after a follow-up of > 30 months. A decrease of local criteria during follow-up was observed in 48% of lesions. CONCLUSIONS: Parallel furrow and crista dotted patterns, either alone or in combination, were the most common dermoscopic patterns. Morphological changes during follow-up were frequent, involving mainly the parallel furrow pattern with a decrease of local criteria. Recognition of the dermoscopic features of acral naevi of children and adolescents is important to improve proper management and reduce the number of unnecessary excisions |
| Handle: | http://hdl.handle.net/11697/16213 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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