Clinical and dermoscopic characteristics of new naevi in adults: Results from a cohort study

S. A. Oliveria, S. E. Yagerman, N. Jaimes, A. I. Goodwin, S. W. Dusza, A. C. Halpern, A. A. Marghoob

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Background Naevogenesis is a process known to occur throughout life. To date, investigators have made conclusions about new naevi in adults based on results of cross-sectional studies. Objectives To determine the incidence of new naevus development in adults and to describe the dermoscopic morphology of new naevi. Methods A cohort of 182 patients seen at the outpatient dermatology clinic at Memorial Sloan-Kettering Cancer Center between 2000 and 2009 was evaluated with baseline total body photographs. The patients were aged 17 years or older and had presented for routine follow-up surveillance examination at least 3 months after baseline total body photographs. The number of new naevi and the dermoscopic morphology of these naevi were recorded. Results Of the 182 patients evaluated, 50 (27%) developed at least one new naevus during follow-up. The incidence of new naevi was 202 per 1000 person-years of follow-up. The most common types of naevi were reticular (47·1%), followed by the homogeneous (22·1%) and complex (reticuloglobular) patterns (15·4%). Conclusions Our results provide support for the theory that there are two distinct pathways of naevogenesis, a dynamic process occurring throughout life. This study demonstrates that the predominant dermoscopic morphology of newly acquired naevi in adults is reticular.

Original languageEnglish (US)
Pages (from-to)848-853
Number of pages6
JournalBritish Journal of Dermatology
Issue number4
StatePublished - Oct 2013
Externally publishedYes

ASJC Scopus subject areas

  • Dermatology


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