Abstract BACKGROUND: Dermoscopic evaluation of pigmented lesions includes assessment of criteria suggestive of melanocytic proliferation. Dermoscopic diagnosis may be hampered when a nonmelanocytic lesion displays one or more melanocytic features. OBJECTIVE: To evaluate the incidence of misleading dermoscopic features characteristic of melanocytic lesions in pigmented seborrheic keratosis (PSK). METHODS: We evaluated 402 clinically typical PSKs from 138 patients with at least one clinically identifiable PSK. RESULTS: Approximately 10% of PSKs displayed one or more melanocytic features, the most frequent being a "false" pigment network. CONCLUSION: The occurrence of a "false" pigment network in PSK can be misleading in the differential diagnosis of clinically equivocal lesions. A correct diagnosis can only be obtained if all available dermoscopic criteria are appropriately assessed together with the clinical examination.

FALSE "MELANOCYTIC" PARAMETERS SHOWN BY PIGMENTED SEBORRHEIC KERATOSES: A FINDING WHICH IS NOT UNCOMMON IN DERMOSCOPY / V. DE GIORGI; D. MASSI; M. STANTE; P. CARLI.. - In: DERMATOLOGIC SURGERY. - ISSN 1076-0512. - STAMPA. - 28:(2002), pp. 776-779.

FALSE "MELANOCYTIC" PARAMETERS SHOWN BY PIGMENTED SEBORRHEIC KERATOSES: A FINDING WHICH IS NOT UNCOMMON IN DERMOSCOPY

MASSI, DANIELA;
2002

Abstract

Abstract BACKGROUND: Dermoscopic evaluation of pigmented lesions includes assessment of criteria suggestive of melanocytic proliferation. Dermoscopic diagnosis may be hampered when a nonmelanocytic lesion displays one or more melanocytic features. OBJECTIVE: To evaluate the incidence of misleading dermoscopic features characteristic of melanocytic lesions in pigmented seborrheic keratosis (PSK). METHODS: We evaluated 402 clinically typical PSKs from 138 patients with at least one clinically identifiable PSK. RESULTS: Approximately 10% of PSKs displayed one or more melanocytic features, the most frequent being a "false" pigment network. CONCLUSION: The occurrence of a "false" pigment network in PSK can be misleading in the differential diagnosis of clinically equivocal lesions. A correct diagnosis can only be obtained if all available dermoscopic criteria are appropriately assessed together with the clinical examination.
2002
28
776
779
V. DE GIORGI; D. MASSI; M. STANTE; P. CARLI.
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/216754
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