Dermoscopic features of nail matrix nevus (NMN) in adults and children: A comparative analysis

Background Nail matrix nevus (NMN) is one cause of longitudinal melanonychia. The typical dermoscopic patterns of NMNs are well established. However, little is known about how the dermoscopic characteristics of NMNs differ between adults and children. Objective We sought to compare the dermoscopic c...

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Bibliographic Details
Published in:Journal of the American Academy of Dermatology 2016-09, Vol.75 (3), p.535-540
Main Authors: Ohn, Jungyoon, MD, Choe, Yun Seon, MD, Mun, Je-Ho, MD, PhD
Format: Article
Language:English
Subjects:
Adult
adults
Age Factors
Child
children
Databases, Factual
Dermatology
Dermoscopy
Female
Follow-Up Studies
Humans
Male
melanonychia
Nail Diseases - diagnosis
Nail Diseases - pathology
nail matrix nevus
Nevus, Pigmented - diagnosis
Nevus, Pigmented - pathology
Observer Variation
onychoscopy
Retrospective Studies
Risk Assessment
Sex Factors
Skin Neoplasms - diagnosis
Skin Neoplasms - pathology
Tertiary Care Centers
Young Adult
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Summary:Background Nail matrix nevus (NMN) is one cause of longitudinal melanonychia. The typical dermoscopic patterns of NMNs are well established. However, little is known about how the dermoscopic characteristics of NMNs differ between adults and children. Objective We sought to compare the dermoscopic characteristics of NMNs between adults and children. Methods We retrospectively reviewed the medical records of patients in whom NMN was diagnosed between 2005 and 2014. Results The dermoscopic findings of 58 NMNs from 56 children and 35 NMNs from 34 adults were analyzed. Pigmentation tended to be broader in children, without statistical significance ( P  = .062). Moreover, NMNs in children were darker and multicolored ( P  
ISSN:0190-9622
1097-6787
DOI:10.1016/j.jaad.2016.03.043