RT - Journal Article T1 - The application of discriminant analysis in differentiation of fibroadenoma and ductal carcinoma of breast tissue using ultrasound velocity measurement JF - Int-J-Radiat-Res YR - 2003 JO - Int-J-Radiat-Res VO - 1 IS - 3 UR - http://ijrr.com/article-1-24-en.html SP - 163 EP - 169 K1 - ultrasonic imaging K1 - velocity K1 - breast cancer diagnosis AB - Background: Ultrasound propagation velocity was measured experimentally in normal, fibroadenoma and ductal carcinoma breast tissues, in order to distinguish normal breast tissue from tumors. Materials and methods: In quantitative measurements of ultrasound velocity, 403 breast tissue images were selected, comprising 130 normal breast tissue, 130 fibroadenoma, and 143 ductal carcinoma tumors. The cases were implanted in breast tissue mimicking materials and ultrasonic images (A-mode) at 35 ° C were processed and evaluated. Results: It was observed that ultrasound propagation velocity is an important factor for distinguishing in vitro specimens of fibroadenoma and ductal carcinoma from normal tissue (P-value LA eng UL http://ijrr.com/article-1-24-en.html M3 ER -