{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T17:16:27Z","timestamp":1791220587984,"version":"4.1.0"},"reference-count":25,"publisher":"SPIE-Intl Soc Optical Eng","issue":"06","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Biomed. Opt."],"published-print":{"date-parts":[[2005,11,1]]},"abstract":"<jats:p>We describe a study of the discrimination of early melanoma from common and dysplastic nevus using fiber optic diffuse reflectance spectroscopy. Diffuse reflectance spectra in the wavelength range 550  to  1000  nm are obtained using 400-\u00b5m core multimode fibers arranged in a six-illumination-around-one-collection geometry with a single fiber-fiber spacing of 470  \u00b5m. Spectra are collected at specific locations on 120 pigmented lesions selected by clinicians as possible melanoma, including 64 histopathologically diagnosed as melanoma. These locations are carried through to the histopathological diagnosis, permitting a spatially localized comparison with the corresponding spectrum. The variations in spectra between groups of lesions with different diagnoses are examined and reduced to features suitable for discriminant analysis. A classifier distinguishing between benign and malignant lesions performs with sensitivity\/specificity of between 64\/69% and 72\/78%. Classifiers between pairs of the group common nevus, dysplastic nevus, in situ melanoma, and invasive melanoma show better or similar performance than the benign\/malignant classifier, and analysis provides evidence that different spectral features are needed for each pair of groups. This indicates that multiple discriminant systems are likely to be required to distinguish between melanoma and similar lesions.<\/jats:p>","DOI":"10.1117\/1.2135799","type":"journal-article","created":{"date-parts":[[2006,1,10]],"date-time":"2006-01-10T21:35:11Z","timestamp":1136928911000},"page":"1-9","source":"Crossref","is-referenced-by-count":54,"title":["Toward the discrimination of early melanoma from common and dysplastic nevus using fiber optic diffuse reflectance spectroscopy"],"prefix":"10.1117","volume":"10","author":[{"given":"B. W.","family":"Murphy","sequence":"first","affiliation":[{"name":"The Univ. of Western Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rebecca J.","family":"Webster","sequence":"additional","affiliation":[{"name":"The Univ. of Western Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Berwin A.","family":"Turlach","sequence":"additional","affiliation":[{"name":"The Univ. of Western Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher J.","family":"Quirk","sequence":"additional","affiliation":[{"name":"Royal Perth Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher D.","family":"Clay","sequence":"additional","affiliation":[{"name":"Royal Perth Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter J.","family":"Heenan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6724-3873","authenticated-orcid":false,"given":"David D.","family":"Sampson","sequence":"additional","affiliation":[{"name":"The Univ. of Western Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"189","reference":[{"key":"10.1117\/1.2135799_r1","doi-asserted-by":"crossref","first-page":"811","DOI":"10.1093\/jnci\/92.10.811","volume":"92","author":"Jemal","year":"2000","journal-title":"J. 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