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PURPOSE Triple-negative (TN; estrogen receptor, progesterone receptor, and HER-2 negative) cancer and basal-like breast cancer (BLBC) are associated with poor outcome and lack the benefit of targeted therapy. It is widely perceived that BLBC and TN tumors are synonymous and BLBC can be defined using a TN definition without the need for the expression of(More)
Shear wave elastography is a new method of obtaining quantitative tissue elasticity data during breast ultrasound examinations. The aims of this study were (1) to determine the reproducibility of shear wave elastography (2) to correlate the elasticity values of a series of solid breast masses with histological findings and (3) to compare shear wave(More)
The Uni ed Modeling Language UML is rapidly emerging as a de facto standard for modelling OO systems Given this role it is imperative that the UML needs a well de ned fully explored semantics Such semantics is required in order to ensure that UML concepts are precisely stated and de ned In this paper we motivate an approach to formalizing UML in which(More)
Object-oriented analysis and design is an increasingly popular software development method. The Unified Modeling Language (UML) has recently been proposed as a standard language for expressing object-oriented designs. Unfortunately, in its present form the UML lacks precisely defined semantics. This means that it is difficult to determine whether a design(More)
Median survival from liver metastases secondary to breast cancer is only a few months, with very rare 5-year survival. This study reviewed 145 patients with liver metastases from breast cancer to determine factors that may influence survival. Data were analysed using Kaplan-Meier survival curves, univariate and multivariate analysis. Median survival was(More)
The purpose of this study was to examine the use of ultrasound (US)-guided core biopsy of axillary nodes in patients with operable breast cancer. The ipsilateral axillae of 187 patients with suspected primary operable breast cancer were scanned. Nodes were classified based on their shape and cortical morphology. Abnormal nodes underwent US-guided core(More)
BACKGROUND Accurate localization of impalpable breast lesions that require biopsy is important. This randomized trial compared radioisotope occult lesion localization (ROLL) with the standard hooked-wire technique. METHODS Ninety-five patients were randomized to receive either ROLL or wire localization of an occult breast lesion. Correct placement of(More)
PURPOSE To compare the histologic prognostic feature of invasive breast cancer with mean stiffness as measured with shear-wave elastography. MATERIALS AND METHODS This retrospective study was exempted from ethical committee review. Patient consent for use of images for research was obtained. The study group comprised 101 consecutive women (age range,(More)