Pitfalls in the clinical and dermoscopic diagnosis of pigmented actinic keratosis |
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| Authors: | Zalaudek Iris Ferrara Gerardo Leinweber Bernd Mercogliano Anna D'Ambrosio Angela Argenziano Giuseppe |
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| Affiliation: | aFrom the Department of Dermatology, Medical University of Graz;bPathologic Anatomy Service, Gaetano Rummo General Hospital, Benevento;cDepartment of Dermatology, Second University of Naples |
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| Abstract: | Pigmented actinic keratosis and melanoma may exhibit overlapping clinical features, thus representing a diagnostic challenge for dermatologists. Although the differentiation between these two entities is traditionally done by histopathology, dermoscopy has been utilized as a useful additional aid for improving the clinical diagnostic accuracy of such pigmented skin lesions. We report the clinical and dermoscopic features of two pigmented actinic keratoses to discuss the difficulties in their preoperative differential diagnosis. |
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| Keywords: | Abbreviations used: AK, actinic keratosis LM, lentigo maligna SCC, squamous cell carcinoma SK, seborrheic keratosis |
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