(HealthDay)—Certain dermoscopic structures associated with melanoma detection may have diagnostic importance, including shiny white structures, pseudopods, and blue-white veil, according to a systematic review and meta-analysis published online Aug. 4 in JAMA Dermatology.

Natalie M. Williams, M.D., from the University of Miami Miller School of Medicine, and colleagues examined the diagnostic accuracy of individual dermoscopic structures and patterns used in melanoma detection in a systematic review and meta-analysis. Data were included from 40 studies with 22,796 skin lesions and 5,736 melanomas.

The researchers found that shiny white structures, pseudopods, irregular pigmentation, blue-white veil, and peppering were the structures and patterns with the highest odds ratios for melanoma (odds ratios, 6.7, 6.7, 6.4, 6.3, and 6.3, respectively). Pseudopods, shiny white structures, peppering, and streaks were the structures with the highest specificity (97.3, 93.6, 93.4, and 92.1 percent, respectively), while irregular pigmentation, blue-white veil, atypical network, and a multicomponent pattern had the highest sensitivity (62.3, 60.6, 56.8, and 53.7 percent, respectively).

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