نتایج جستجو برای: breast ultrasound
تعداد نتایج: 351952 فیلتر نتایج به سال:
PURPOSE To compare the outcomes of ultrasound-guided core biopsy for non-mass breast lesions by the novel 13-gauge cable-free vacuum-assisted biopsy (VAB) and by the conventional 14-gauge semi-automated core needle biopsy (CCNB). MATERIALS AND METHODS Our institutional review board approved this prospective study, and all patients provided written informed consent. Among 1840 ultrasound-guide...
This project provides an insight into ultrasound-based solutions for breast lesion characterization to reduce the patient recall rate after mammography screening. In this work, ultrasound radio frequency time series analysis is performed for separating benign and malignant breast lesions with similar B-mode appearance. The radio frequency time series method is versatile and requires only a few ...
OBJECTIVES To determine the applicability of a computer-aided diagnostic system strain elastography system for the classification of breast masses diagnosed by ultrasound and scored using the criteria proposed by the breast imaging and reporting data system ultrasound lexicon and to determine the diagnostic accuracy and interobserver variability. METHODS This prospective study was conducted b...
BACKGROUND Oncoplastic breast-conserving surgery (OBCS) requires more complex surgical techniques than standard wide local excision (WLE) and the postoperative complication rate may be higher. Since these can have an impact on postoperative imaging, we compared imaging and biopsy results after OBCS and WLE. METHODS Findings for patients undergoing OBCS (n = 83) or standard WLE (n = 128) were ...
Male breast cancer is a rare disease in the male breast whereas gynecomastia is quite common. An elevation of the estrogen-to-androgen ratio increases the risk of both of these diseases. However, a connection between gynecomastia and subsequent breast cancer development is controversial and unclear. Imaging studies including mammography and ultrasound provide valuable information in leading to ...
Introduction. Breast cancer is a major health and economic problem in Serbia. On the one hand, most patients see doctor at an advanced stage of disease, on other screening response rate low. Early detection increases chances survival. Digital mammography gold standard breast imaging, together with supplemental ultrasound tomosynthesis. Mammography combined tomosynthesis has greater regardless d...
Sound-speed tomography images can be used for cancer detection and diagnosis. Tumors have generally higher sound speeds than the surrounding tissue. Quality and resolution of tomography images are primarily determined by the insonification/illumination aperture of ultrasound and the capability of the tomography method for accurately handling heterogeneous nature of the breast. We investigate th...
More than 400 breast patients (primarily symptomatic) have been examined with ultrasound alone and in combination with low-dose mammography. Symptomatic pregnant women and young patients with palpable masses were examined with ultrasound alone. In young, dense breasts, ultrasound was found to surpass mammography in the differential diagnosis of both cystic and solid masses. In older patients, t...
The present is a retrospective study examining the use of automated breast volume scanner (ABVS) for guiding breast conservation surgery in ductal carcinoma in situ (DCIS). A total of 142 patients with pathologically confirmed DCIS were initially included in the study. The patients underwent preoperative examination by conventional ultrasound and by ABVS. The BI-RADS category system was used to...
OBJECTIVES Although many studies about breast contrast-enhanced ultrasound had been conducted, clear diagnostic criteria for evaluating enhancement patterns are still lacking. This study aims to identify significant indicators for breast contrast-enhanced ultrasound and to establish an initial scoring system. MATERIALS AND METHODS Totally 839 patients were included in the study. This study wa...
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