نتایج جستجو برای: breast ultrasound
تعداد نتایج: 351952 فیلتر نتایج به سال:
BACKGROUND Elastographpy is a newly developed noninvasive imaging technique that uses ultrasound (US) to evaluate tissue stiffness. The interpretation of the same elastographic images may be variable according to reviewers. Because breast lesions are usually reported according to American College of Radiology Breast Imaging and Data System (ACR BI-RADS) lexicons and final category, we tried to ...
BACKGROUND The addition of MRI to mammography and ultrasound for breast cancer screening has been shown to improve screening sensitivity for high risk women, but there is little data to date for women at average or intermediate risk. METHODS Two thousand nine hundred and ninety-five women, aged 40 to 65 years with no previous history of breast cancer were enrolled in a screening program, whic...
PURPOSE To explore the feasibility of improving cross-sectional reflection imaging of the breast using refractive and attenuation corrections derived from ultrasound tomography data. METHODS The authors have adapted the planar Kirchhoff migration method, commonly used in geophysics to reconstruct reflection images, for use in ultrasound tomography imaging of the breast. Furthermore, the autho...
Purpose: The objective of study is aiming to investigate the residual tumor rate after Vacuum-assisted Breast Biopsy (VABB) for early breast cancer excision and the efficacy of mammogram and ultrasound in detecting residual tumor. Methods: Patients who underwent VABB and were confirmed with breast cancer in Sun Yat-sen University Cancer Center from 2010 to 2015 were reviewed retrospectively. Th...
•Cryoablation of ER+, PR+, and HER2-invasive ductal carcinoma ?15 mm offers optimal local control.•Cryoablation is a feasible alternative to surgery in low-risk breast cancer.•Breast imaging at 6 months showed no residual or recurrent disease.•Breast MRI has the highest negative predictive value among modalities. BackgroundThe aim this study was evaluate feasibility cryoablation for early-stage...
Inexpensive Limited sensitivity, particularly in dense breasts ULTRASOUND Targeted ultrasound very useful for palpable Widespread availability Limited specificity, particularly screening or mammographic findings Good sensitivity Very operator dependent Delineates cystic from solid, and many benign Inexpensive solid abnormalities from malignancies Screening ultrasound controversial due to low po...
Breast-conserving surgery (BCS) is becoming an increasingly preferred surgical technique for treating breast cancer. For the last several decades, using a preoperative wire placed by radiologist has been gold standard to help guide surgeons excise suspicious mass. In recent years, there increasing focus on surgeon-performed intraoperative ultrasound (IOUS) during breast-conserving therapy, sugg...
We have previously proposed a method of treating solid tumors with a combination of gold macro-rods irradiated with ultrasound. Macro particle sized rods offer a greater circumferential treatment area over nanoparticle options. Experimental studies were conducted to investigate the heat enhancement and the bio-heat transfer to breast chicken using gold macro rod and ultrasound. An ultrasound, o...
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