{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,8]],"date-time":"2026-01-08T23:03:49Z","timestamp":1767913429858,"version":"3.49.0"},"reference-count":18,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2002,11,23]],"date-time":"2002-11-23T00:00:00Z","timestamp":1038009600000},"content-version":"vor","delay-in-days":267,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Acad Dermatol Venereol"],"published-print":{"date-parts":[[2002,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p><jats:bold>Background<\/jats:bold> Seborrhoeic keratosis is generally considered to be a benign lesion of the skin.<\/jats:p><jats:p><jats:bold>Observation<\/jats:bold> We present the case of a 68\u2010year\u2010old male who presented with clinically typical seborrhoeic keratosis that later histological examination showed partially covered an occult basal cell carcinoma.<\/jats:p><jats:p><jats:bold>Objective<\/jats:bold> To have an indication of what percentage of clinically apparent seborrhoeic keratoses may be associated with some form of histologically proven skin malignancy.<\/jats:p><jats:p><jats:bold>Methods<\/jats:bold> We carried out a retrospective analysis of approximately 23\u00a0000 histopathological examinations done on specimens from dermatological lesions.<\/jats:p><jats:p><jats:bold>Results<\/jats:bold> Fifty\u2010nine (11.9%) clinically apparent seborrhoeic keratoses were later histologically diagnosed as basal cell carcinomas, 17 (3.4%) as squamous cell carcinomas, and five (1.01%) as malignant melanomas.<\/jats:p><jats:p><jats:bold>Conclusions<\/jats:bold> Although the association of seborrhoeic keratosis and skin malignancy appears to be relatively uncommon, the possibility of such an association cannot be ruled out.<\/jats:p>","DOI":"10.1046\/j.1468-3083.2002.00396.x","type":"journal-article","created":{"date-parts":[[2003,3,12]],"date-time":"2003-03-12T04:42:02Z","timestamp":1047444122000},"page":"168-170","source":"Crossref","is-referenced-by-count":14,"title":["Seborrhoeic keratosis or occult malignant neoplasm of the 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