Cytotoxicity of dental impression materials

中國醫藥大學機構典藏 China Medical University Repository, Taiwan > 牙醫學院 > 牙醫學系暨碩博士班、口腔醫學產業碩士班 > 期刊論文 > Item 310903500/30064

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题名:	Cytotoxicity of dental impression materials
作者:	Chen, SY;Chen, CC;Kuo, HW
贡献者:	醫學院牙醫系;China Med Coll, Sch Dent, Taichung, Taiwan;China Med Coll, Sch Publ Hlth, Taichung, Taiwan
日期:	2002
上传时间:	2010-09-24 14:48:34 (UTC+8)
出版者:	SPRINGER-VERLAG
摘要:	The purpose or this study was to test the efficacy of using small training sets in computer-aided diagnostic systems (CAD), and to increase the capabilities of ultrasound (US) technology in the differential diagnosis of solid breast tumors. A total of 263 sonographic images of solid breast nodules, including 129 malignancies and 134 benign nodules, were evaluated by using a bootstrap technique with 10 original training samples. Texture parameters of a region-of-interest (ROI) were resampled with a bootstrap technique and a decision-tree model was used to classify the tumor as benign or malignant. The accuracy was 87.07% (229 of 263 tumors), the sensitivity was 95.35% (123 of 129), the specificity was 79.10% (106 of 134), the positive predictive value was 81.46% (123 of 151), and the negative predictive value was 94.64% (106 of 112). This analysis method provides a second opinion for physicians with high accuracy. The new method shows a potential to be useful in future application of CAD, especially when a large database cannot be obtained for training or a newly developed ultrasonic system has smaller sets of samples. (E-mail: [email protected]) (C) 2002 World Federation for Ultrasound in Medicine Biology.
關聯:	BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 69(3):350-355
显示于类别:	[牙醫學系暨碩博士班、口腔醫學產業碩士班] 期刊論文

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