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  • Presentation

Super High Magnification Dermoscopy

Description

The presentation discusses super high magnification dermoscopy, highlighting its role in improving the visibility of skin lesions for better diagnosis. The speaker emphasizes the progression from traditional dermatoscopes to capabilities of up to 400x magnification, enabling clearer observation of nevi and melanoma. Various tools and techniques, particularly those developed since 2018, are outlined, focusing on how practitioners can differentiate between benign nevi and melanoma through specific visual patterns like cellular arrangements and colors. The talk also addresses the confusion with terminologies and features seen in lesions, which are sometimes aligned with confocal microscopy language, creating potential misunderstandings. Key parameters observed in nevi versus melanoma are identified, including the shape, size, and color of structures, with a call for further standardization in diagnostic terminology. Issues of diagnostic accuracy and challenges of applying this technique in daily practice are acknowledged, suggesting the need for additional studies and consensus in the field. Overall, the potential of this technique in clinical use is presented as promising yet currently limited, indicating that ongoing research will be crucial for its development.

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Conclusions

  • Super-high magnification dermoscopy (OSHMD) can enhance the visualization of skin lesions, allowing for better assessment of nevi and melanoma characteristics.
  • Specific parameters observed through OSHMD, like irregular melanocyte arrangement, may assist in distinguishing melanoma from atypical nevi.
  • Limitations still exist in the diagnostic accuracy of OSHMD, as evidenced by lower agreement metrics among evaluators.
  • The technique shows potential for high magnification imaging but lacks standardization in terminology and criteria, affecting its current clinical applicability.
  • Future studies are necessary to validate OSHMD's effectiveness and compare findings with histological results and other diagnostic methods.
  • Dusi D, Rossi R, Simonacci M, Ferrara G. Image Gallery: the new age of dermoscopy: optical super-high magnification. Br J Dermatol. 2018 May;178(5):e330.
  • Cinotti E, Tognetti L, Campoli M, Liso F, Cicigoi A, Cartocci A, Rossi R, Rubegni P, Perrot JL. Super-high magnification dermoscopy can aid the differential diagnosis between melanoma and atypical naevi. Clin Exp Dermatol. 2021.
  • Pogorzelska-Dyrbuś J, Lallas A, Szepietowski JC. Morphology of Vessels in Basal Cell Carcinoma in Optical Super-high Magnification Dermoscopy. Acta Derm Venereol. 2023 Aug 2;103:adv11966.