Dermoscopy Needs the Clinical View

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CLINICAL PEARL

Dermatoscopy showed higher sensitivity for malignant lesions, whereas clinical close-up imaging showed higher specificity.

WHAT DID THE STUDY SHOW?

In an international online reader study, 283 participants from 45 countries evaluated 1,567 paired clinical close-up and dermatoscopic images in randomized order. Dermatoscopy alone showed higher sensitivity (85.0% vs 74.2%; OR, 1.97; 95% CI, 1.69–2.30; P<.001) but lower specificity (66.8% vs 71.9%; OR, 0.79; 95% CI, 0.70–0.89; P<.001). Adding dermatoscopy was associated with a 5.7% accuracy improvement (OR, 1.52; 95% CI, 1.36–1.70; P<.001).

WHY DOES THIS MATTER?

Clinical and dermatoscopic images provided complementary diagnostic information. In image-based assessment, relying on dermoscopy alone may increase malignant-lesion sensitivity at the cost of more false-positive classifications, particularly among nevi.

DON’T OVERINTERPRET

This voluntary, controlled quiz used selected static images rather than face-to-face assessment. Selection and verification bias remain possible: 139/1,567 lesions lacked histopathological confirmation, and category-specific denominators were unavailable in the main article.

MY TAKE

Editorial interpretation: dermoscopy should augment, not replace, the clinical view. Its sensitivity advantage is clinically relevant, but the associated specificity trade-off must remain visible.

REFERENCE

Müller C, Wolber A, Lallas A, Argenziano G, Zalaudek I, Soyer HP, Puig S, Akay BN, Forsea AM, Malvehy J, Marghoob A, Apalla Z, Rosendahl C, Liopyris K, Reiter O, Longo C, Tschandl P, Kittler H. Comparative and complementary diagnostic value of dermatoscopy and clinical close-up photography in skin cancer diagnosis: A study from the MILK10k dataset. J Am Acad Dermatol. 2026;95(1):70–77. https://doi.org/10.1016/j.jaad.2026.03.069