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- 저자 : ( Yaren Yelmaz ) (검색결과 1 건)
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Dermoscopic Evolution of Pediatric Nevi
( Fatma Pelin Cengiz ),( Yaren Yelmaz ),( Nazan Emiroglu ),( Nahide Onsun ) 대한피부과학회 2019 Annals of Dermatology Vol.31 No.5
Background: The incidence of pediatric melanoma is very rare. Dermoscopic features help to distinguish pediatric melanoma and common nevi. Objective: To study the evolution of dermoscopic findings in benign nevi in childhood through serial observation and photography. Methods: We examined 504 melanocytic lesions in 100 patients. From each participant, dermoscopic images of the nevi from 4-year dermoscopic follow-up were obtained, including randomly selected nevi. Results: The most common dermoscopic patterns were homogeneous (193 nevi; 38.3%), globular (92 nevi; 18.3%), and reticular (86 nevi; 17.1%). Dermoscopic pattern changes were detected in 27% of patients aged 2∼10 years and in 20% of patients aged 11∼16 years. The main pattern changes consisted of the transition from homogeneous to globular-homogeneous (16%), from homogeneous to reticular-homogeneous (12%) and from globular to globular- homogeneous (10%). Although 257 of the 504 nevi (51.0%) have stable duration without size changes, 169 of the 504 nevi (33.5%) were enlarged, and 78 of the 504 nevi (15.5%) had become smaller. Conclusion: These results contrast with the prevailing view that dermoscopic patterns in pediatric nevi are usually characterized by globular patterns and that melanocytic nevi generally undergo a characteristic transition from a globular pattern to a reticular pattern. Fifty one percent of patients did not exhibit a size change. While 33% of patients had symmetrical enlargement, 15% of patients had involution. Therefore, enlargement is a common dermoscopic change in pediatric nevi, and is not a specific sign of pediatric melanoma. (Ann Dermatol 31(5) 518∼524, 2019)
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