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European Journal of Dermatology

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Clues on dermoscopy. Seborrheic keratoses: when the good ones look bad Volume 32, numéro 6, November-December 2022

Illustrations


  • Figure 1.
Auteurs
1 Department of Dermatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
2 Department of Pathology, Hospital General Universitario Gregorio Marañón, Madrid, Spain

Seborrheic keratoses (SK) are the most common benign epidermal tumours in our clinical practice. In most cases, the diagnosis is performed only by clinical and dermoscopic examination. These lesions often present as light to dark brown, yellowish or black exophytic papules with a sharply demarcated border and an unctuous texture. Some of the classic dermoscopic structures of SK are motheaten borders, comedo-like openings, hairpin blood vessels, fingerprint-like structures, or a brain-like surface [...]