This is a retrospective study including patients diagnosed with cutaneous squamous cell carcinoma between 2016 and 2025. Demographic, clinical, histopathological, and dermoscopic data were obtained from hospital records. Dermoscopic images taken with the FotoFinder dermoscope were independently evaluated by two dermatologists in a blinded manner. In addition, images were labeled using computer software and analyzed to measure the proportion of specific dermoscopic structures within the total lesion area. These quantitative data were used to examine the relationship between dermoscopic features and histopathological findings.
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The study population consists of adult patients aged 18 to 100 years who were diagnosed with cutaneous squamous cell carcinoma and treated with total surgical excision between 2016 and 2025. Only cases with complete clinical, dermoscopic, and histopathological records, including documented tumor differentiation and invasion depth, were included. No additional diagnostic or therapeutic procedures were performed as part of the study.
Case-only
Retrospective
Not listed
Correlation between dermoscopic features and tumor invasion depth
The association between predefined dermoscopic features and histopathological tumor invasion depth will be evaluated using quantitative and qualitative dermoscopic assessments.
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