Reflectance Confocal Microscopy and Molecular Correlation in Atypical Melanocytic Lesions

This observational, prospective cohort study aims to evaluate the diagnostic relevance of Reflectance Confocal Microscopy (RCM) features in atypical melanocytic lesions scheduled for surgical excision, and to correlate these imaging features with molecular profiles obtained through Next-Generation Sequencing (NGS). Approximately 200 consecutive lesions, including atypical nevi and early-stage melanomas, will be analyzed from patients attending the Videomicroscopy and Confocal Clinic at the Dermatology Department of the University Hospital of Modena. The primary objective is to assess the diagnostic significance of RCM features-specifically atypical cells and disarrangement of the dermoepidermal junction (DEJ)-for early detection of melanoma. Secondary objectives include correlating RCM morphological patterns with NGS-derived genetic alterations and identifying molecular signatures that differentiate early-stage melanomas from benign nevi. All procedures are performed as part of routine clinical care, including dermoscopic and confocal evaluation, surgical excision, histopathology, and molecular analysis on formalin-fixed, paraffin-embedded blocks. Data will be anonymized, securely stored, and analyzed to determine associations between imaging and genetic variables. This study integrates morphological and molecular data to refine diagnostic workflows and improve early melanoma detection.

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