{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T23:57:42Z","timestamp":1790207862176,"version":"4.1.0"},"reference-count":52,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2009,2,18]],"date-time":"2009-02-18T00:00:00Z","timestamp":1234915200000},"content-version":"vor","delay-in-days":17,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Lasers Surg Med"],"published-print":{"date-parts":[[2009,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The occurrence of non\u2010melanoma skin cancer (NMSC), including actinic keratosis (AK) is increasing all over the world. The detection and diagnosis of NMSC is not optimal in clinical practice. Complementary methods for detection and accurate demarcation of NMSC at an early stage are needed in order to limit the damage caused by tumours.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>The purpose of the present study was to use a large area skin fluorescence detection system to detect early NMSCs (clinical visible as well as non\u2010visible lesions) in the face, neck, chest, back and hands of patients treated with UV and outdoor workers.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Fluorescence detection with a purpose\u2010made digital camera and software (Dyaderm\u00ae) combined with 5\u2010aminolevulinic acid (5\u2010ALA) encapsulated in liposomes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In 93 consecutively referred patients positive skin fluorescence was detected in 61 patients. After histological examination the positive fluorescence appeared to be correlated to benign lesions in 28 patients (sebaceous gland hyperplasia in 22 patients) and to (pre\u2010) malignant lesions in 33 patients (actinic keratosis in 29, BCC in 3 and SCC in 1 patient). False negative fluorescence was found in only one lesion. In five patients the FD technique used in this study appeared to be more sensitive for the identification of (pre\u2010) malignant lesions than the clinical examination. This is in contrast with FD techniques used in previous studies.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Diagnostic skin fluorescence using liposomal encapsulated 5\u2010ALA and a specialised computerised detection and visualisation system offers the possibility for detection of NMSC at an early, pre\u2010clinical stage. The technique is well suited to examine large areas of skin. It also identifies areas of most interest for performing confirmatory skin biopsies, as well as pre\u2010operative assessment of boundaries of skin malignancies, and finally, the technique is applicable in the control and follow\u2010up of skin cancer treatment. Lasers Surg. Med. 41:96\u2013103, 2009. \u00a9 2009 Wiley\u2010Liss, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/lsm.20739","type":"journal-article","created":{"date-parts":[[2009,2,18]],"date-time":"2009-02-18T21:36:19Z","timestamp":1234992979000},"page":"96-103","source":"Crossref","is-referenced-by-count":50,"title":["Fluorescence detection and diagnosis of non\u2010melanoma skin cancer at an early stage"],"prefix":"10.1002","volume":"41","author":[{"given":"Jaap","family":"de Leeuw","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nick","family":"van der Beek","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"W. 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