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Dermatol Surg. 2007 Oct;33(10):1198-206; discussion 1205-6.

Digital dermoscopic monitoring of atypical nevi in patients at risk for melanoma.

Author information

1
Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah 84112, USA.

Abstract

BACKGROUND:

Atypical nevi are a common risk factor for melanoma.

OBJECTIVES:

The objective was to determine the utility of monitoring dermoscopic photographs of atypical nevi in a high-risk population.

METHODS:

Over a 4.5-year period, digital dermoscopic photographs were taken of clinically atypical nevi at initial and follow-up visits, such that side-by-side comparisons could be made.

RESULTS:

A total of 5,945 lesions were monitored in 297 patients over 3 to 52 months (median, 22 months), and 324 lesions were biopsied. Photographic (dermoscopic) changes were noted in 96 of 5,945 (1.6%) lesions, which included 64 dysplastic nevi (67%), 25 common nevi (26%), and 1 melanoma (1.0%). Of 6 melanomas biopsied during the follow-up period, only 1 was detected by dermoscopic photographic change at follow-up.

CONCLUSIONS:

Most clinically atypical melanocytic nevi are stable over time, and lesions exhibiting dermoscopic changes are most likely to be dysplastic nevi. Although dermoscopy is a useful tool for clinical examination, the sensitivity of dermoscopic monitoring is limited by melanomas that may arise in normal skin or in clinically benign nevi that were not initially photographed.

PMID:
17903152
PMCID:
PMC2292405
DOI:
10.1111/j.1524-4725.2007.33254.x
[Indexed for MEDLINE]
Free PMC Article

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