Discrimination of basal cell carcinoma from benign lesions based on extraction of ulcer features in polarized-light dermoscopy images.

Skin Research and Technology : Official Journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI)
Serkan KefelWilliam V Stoecker

Abstract

Ulcers are frequently visible in magnified, cross-polarized, dermoscopy images of basal cell carcinoma. An ulcer without a history of trauma, a so-called 'atraumatic' ulcer, is an important sign of basal cell carcinoma, the most common skin cancer. Distinguishing such ulcers from similar features found in benign lesions is challenging. In this research, color and texture features of ulcers are analyzed to discriminate basal cell carcinoma from benign lesions. Ulcers in polarized-light dermoscopy images of 49 biopsy-proven basal cell carcinomas were identified and manually selected. For 153 polarized-light dermoscopy images of benign lesions, those areas that most closely mimicked ulcers were similarly selected. Fifteen measures were analyzed over the areas of ulcers and ulcer mimics. Six of those measures were texture measures: energy, variance, smoothness, skewness, uniformity, and entropy. Nine of those measures were color measures: relative measures of red, green, and blue; chromaticity of red, green, and blue; and the ratios blue-to-green, blue-to-red, and green-to-red. A back-propagation artificial neural network was able to discriminate most of the basal cell carcinoma from benign lesions, with an area under the ROC curve...Continue Reading

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Citations

Dec 7, 2018·The Cochrane Database of Systematic Reviews·Jacqueline DinnesUNKNOWN Cochrane Skin Cancer Diagnostic Test Accuracy Group
Dec 7, 2018·The Cochrane Database of Systematic Reviews·Jacqueline DinnesUNKNOWN Cochrane Skin Cancer Diagnostic Test Accuracy Group
Mar 2, 2019·BMC Medical Imaging·Arthur MarkaSaeed Hassanpour

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