Seasonal prevalence of digital epiluminescence microscopy patterns in acquired melanocytic nevi.

Abstract:

BACKGROUND:Available information of the effect of sun exposure on the biologic activity and morphologic characteristics of nevi is based on a few cross-sectional studies. According to these, nevi excised in summer show a higher mitotic count, a greater extent of the junctional component, and more frequent regression and inflammation. OBJECTIVE:Our goals were to obtain data on the seasonal prevalence of digital epiluminescence microscopy (D-ELM) patterns in acquired melanocytic nevi (AMN) and to test the reliability of D-ELM as a substitute for histology in prospective studies of the morphologic response of AMN to sun exposure. METHODS:Two independent series of AMN located on intermittently sun-exposed body sites and undergoing D-ELM in winter (n=121) and in summer (n=116) were compared for the prevalence of major ELM patterns. RESULTS:Cases in the summer series showed a greater frequency of a broad and prominent pigment network; black dots with varied size, irregular distribution, and peripheral location; and peripheral depigmentation. CONCLUSION:On the basis of known histologic correlates of D-ELM features, our findings were consistent with studies of seasonal histologic changes in AMN. D-ELM may be a useful tool in the prospective evaluation of effects of sun exposure on AMN morphology.

journal_name

J Am Acad Dermatol

authors

Stanganelli I,Rafanelli S,Bucchi L

doi

10.1016/s0190-9622(96)90440-5

subject

Has Abstract

pub_date

1996-03-01 00:00:00

pages

460-4

issue

3

eissn

0190-9622

issn

1097-6787

pii

S0190-9622(96)90440-5

journal_volume

34

pub_type

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