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    "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">Examination of a 77-year-old man in the dermatology clinic revealed a 1&#46;5-cm light brown spot with eccentric pigmentation in the right pectoral region &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>&#41;&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0005">Diagnosis</span><p id="par0010" class="elsevierStylePara elsevierViewall">Dermoscopic examination showed erased areas containing white lines and atypical vascularization in the center and a characteristic fine reticular pattern at the periphery &#40;<a class="elsevierStyleCrossRef" href="#fig0010">Fig&#46; 2</a>&#41;&#46;</p><elsevierMultimedia ident="fig0010"></elsevierMultimedia></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Comment</span><p id="par0015" class="elsevierStylePara elsevierViewall">Examination by confocal microscopy showed an epidermis with abundant dendritic cells and numerous junctional thickenings at the dermoepidermal junction &#40;<a class="elsevierStyleCrossRef" href="#fig0015">Fig&#46; 3</a>&#41;&#46; The lesion was excised and histologic examination confirmed a diagnosis of extrafacial lentigo maligna &#40;LM&#41;&#46;</p><elsevierMultimedia ident="fig0015"></elsevierMultimedia><p id="par0020" class="elsevierStylePara elsevierViewall">Extrafacial LM is a lentiginous form of melanoma associated with chronic sun damage&#46;<a class="elsevierStyleCrossRef" href="#bib0030"><span class="elsevierStyleSup">1</span></a> Its incidence is increasing in Spain for a number of reasons&#44; including longer life expectancy and improved clinical identification of these lesions and their dermoscopic features&#46;<a class="elsevierStyleCrossRefs" href="#bib0035"><span class="elsevierStyleSup">2&#8211;4</span></a> A clinical progression model with dermoscopic features &#40;<a class="elsevierStyleCrossRef" href="#fig0020">Fig&#46; 4</a>&#41; based on confocal microscopy findings has been proposed for extrafacial LA&#46;<a class="elsevierStyleCrossRefs" href="#bib0035"><span class="elsevierStyleSup">2&#44;5</span></a> The first features observed are areas of reticular disruption&#44; followed by erased areas surrounded by pigment dots and triangular structures&#44; which progressively evolve to form angulated and zig-zag lines&#46; More advanced lesions show large erased areas with atypical vascularization and typically contain traces of a fine peripheral reticular pattern pointing to the melanocytic nature of the lesion&#46;<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">2</span></a></p><elsevierMultimedia ident="fig0020"></elsevierMultimedia><p id="par0025" class="elsevierStylePara elsevierViewall">The greatest diagnostic challenges are thus posed by early-stage lesions &#40;when the only finding is reticular disruption&#41; and advanced lesions &#40;when practically all structures have been erased&#41;&#46; Identification of advanced lesions is crucial&#46; We recommend paying special attention to atypical vascularization&#44; white lines&#44; and the characteristic traces of the reticular pattern at the periphery&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Funding</span><p id="par0030" class="elsevierStylePara elsevierViewall">None declared&#46;</p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0020">Conflicts of Interest</span><p id="par0035" class="elsevierStylePara elsevierViewall">The authors declare that they have no conflicts of interest&#46;</p></span></span>"
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Practical Dermoscopy
Dermoscopic Features of Extrafacial Lentigo Maligna
Claves dermatoscópicas en lentigo maligno extrafacial
C. Sarró-Fuente
Autor para correspondencia
claudia.sarro@salud.madrid.org

Corresponding author.
, R. Gamo-Villegas, U. Floristán-Muruzábal
Servicio de Dermatología del Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, Spain
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