Pediatric Dermatology Unit, University of Padua

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Pediatric Dermatology Unit, University of Padua DERMATOSCOPIC PATTERN OF MELANOCYTIC NEVI AND THEIR CHANGES IN VERY YOUNG CHILDREN Giuseppe Bertollo, Michele Tonellato, Anna Belloni Fortina Pediatric Dermatology Unit, University of Padua, Italy Introduction Infancy and early childhood are important periods for the evolution of melanocytic nevi, with the development of new ones and the modification of others.1,2,3 However follow up studies in children of this age are few up to now.4 The aim of the study was to investigate dermoscopic patterns of nevi in children younger than 4 years old and their possible changes on follow-up. Results Dermoscopic images of 149 nevi from 129 patients (2-46 months-old, mean age 21 months) were evaluated at the first visit. Patients with positive history for sunburns or phototherapy for neonatal jaundice were not included in the study. Dermoscopic follow-up has been possible for 92 nevi from 77 patients. We considered a pattern as “changed” only if the modification happened within 36 months from the first visit. Patterns were defined according to the 2003 Consensus Conference. The main changes observed were: Globular  Globular-reticular (7 nevi, 25,0%) Globular-reticular  Reticular (5 nevi, 17,9%) Globular  Reticular (3 nevi, 10,7%) - No changes were observed for reticular nevi Pattern abbreviations: G, globular; R, reticular; G-R, globular-reticular; C, compound; Cb, cobblestone; H, homogeneous; G-Cb, globular-cobblestone; R-Cb, reticular-cobblestone; G-H, globular-homogeneous; R-H, reticular-homogeneous GLOBULAR RETICULAR GLOBULAR GLOBULAR-RETICULAR GLOBULAR-RETICULAR RETICULAR Conclusions These data seem to suggest that, at least in childhood, reticular nevi may derive from the PHYSIOLOGICAL MATURATION OF GLOBULAR NEVI. P. Aguilera, S. Puig, A. Guilabert, M. Julià, D. Romero, A. Vicente, M. a González-Enseñat, and J. Malvehy, “Prevalence study of nevi in children from Barcelona. Dermoscopy, constitutional and environmental factors” Dermatology (Basel,Switzerland), vol. 218, no. 3, pp. 203–14, Jan. 2009. S. A. Oliveria, J. M. Satagopan, A. C. Geller, S. W. Dusza, M. A. Weinstock, M. Berwick, M. Bishop, M. K. Heneghan, and A.C. Halpern, “Study of Nevi in Children (SONIC): baseline findings and predictors of nevus count” American journal ofepidemiology, vol. 169, no. 1, pp. 41–53, Jan. 2009. E. C. Haliasos, M. Kerner, N. Jaimes, I. Zalaudek, J. Malvehy, R. Hofmann-Wellenhof, R. P. Braun, and A. Marghoob, “Dermoscopy for the pediatric dermatologist part III: dermoscopy of melanocytic lesions” Pediatric dermatology, vol. 30, no. 3, pp. 281–93, 2013. L. Changchien, S. W. Dusza, A. L. C. Agero, A. J. Korzenko, R. P. Braun, D. Sachs, M. H. U. Usman, A. C. Halpern, and A. A. Marghoob, “Age-and site-specific variationinthe dermoscopic patterns of congenitalmelanocytic nevi: an aid to accurate classification and assessment of melanocytic nevi” Archives of dermatology, vol. 143, no. 8, pp.1007–14, Aug. 2007.