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Dermoscopy Subpatterns of Inflammatory Skin Disorders
Iris Zalaudek, MD;
Giuseppe Argenziano, MD
Department of Dermatology, Medical University of Graz, Graz, Austria (Dr Zalaudek); Department of Dermatology, Second University of Naples, Naples, Italy(Dr Argenziano). Dr Zalaudek is presently with the Department of Dermatology, Second University of Naples.
Arch Dermatol. 2006;142:808.
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Plaque psoriasis (PP) and lichen ruber planus (LP) are inflammatory skin disorders that can sometimes be clinically difficult to differentiate. In these instances, punch biopsy with subsequent histopathologic evaluation is usually needed. Recently, dermoscopy has been reported to be helpful in the distinction between these 2 entities. The lesions in Figure 1 and Figure 2 were plaques located on the arms of a 53-year-old man and a 23-year-old woman, respectively. Both patients revealed only few additional lesions. Dermoscopically, the lesion in Figure 1 exhibits a network of whitish striae and red globules at the periphery (Figure 3). These dermoscopic findings raised the diagnosis of LP, whereas the multiple, uniformly sized and distributed dotted vessels, together with a central surface scale (Figure 4), led to the diagnosis of PP in the case shown in Figure 2. Histopathologic diagnosis confirmed the . . . [Full Text of this Article]
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