نتایج جستجو برای: breast ultrasound
تعداد نتایج: 351952 فیلتر نتایج به سال:
Real-time magnetic resonance imaging (MRI) navigated ultrasound is an image fusion technique to display the results of both MRI and ultrasonography on the same monitor. This system is a promising technique to improve lesion detection and analysis, to maximize advantages of each imaging modality, and to compensate the disadvantages of both MRI and ultrasound. In evaluating breast cancer stage pr...
Abstract Background Filariasis is a tropical vector-borne disease seen predominantly in endemic areas, and the most common presentation lymphatic disorder form of lymphangiectasia. This case describes breast as one uncommon sites involvement by filarial worm. Case We report an filariasis with chief complaints nodular lump breast. Conclusions As symptoms can mimic malignancy, appropriate diagnos...
Ultrasound imaging is widely used in medicine and nondestructive testing. Medical ultrasound volumetric imaging can be considered as a competitive method to X-ray CT and MRI. Recent results in breast ultrasound tomography provide spatial distribution of sound speed and attenuation coefficient based on inverse problem solution in frequency domain. Breast tissue can be characterized as relatively...
PURPOSE This study was designed to determine the rate of ductal carcinoma in situ (DCIS)underestimation diagnosed after an ultrasound-guided 14-gauge core needle biopsy (US-14G-CNB) of breast masses and to compare the clinical and imaging characteristics between trueDCIS and underestimated DCIS identified following surgical excision. METHODS Among 3,124 US-14G-CNBs performed for breast masses...
Acoustically stimulated microbubbles have been demonstrated to perturb endothelial cells of the vasculature resulting in biological effects. In the present study, vascular and tumor response to ultrasound-stimulated microbubble and radiation treatment was investigated in vivo to identify effects on the blood vessel endothelium. Mice bearing breast cancer tumors (MDA-MB-231) were exposed to ultr...
BACKGROUND Intense ultrasound, such as that used for tumor ablation, does not differentiate between cancerous and normal cells. A method combining ultrasound and biocompatible gold or magnetic nanoparticles (NPs) was developed under in vitro conditions using human breast and lung epithelial cells, which causes ultrasound to preferentially destroy cancerous cells. RESULTS Co-cultures of BEAS-2...
Introduction: A newly adapted clip system for intramammary marking during ultrasound-guided core needle biopsy for suspicion of breast cancer is described and evaluated here. Material and Method: Fifty patients with suspicion of breast cancer (cT2) had ultrasound-guided core needle biopsy using a newly adapted clip marker system (HistoCore™ and O-Twist Marker™). Subsequently, ultrasound follow-...
OBJECTIVE Our study aimed to monitor the trastuzumab therapy response of murine tumor xenograft model with human epidermal growth factor receptor 2 (Her-2)-positive breast cancer using ultrasound targeted apoptosis imaging. METHODS We prepared targeted apoptosis ultrasound probes by nanobubble (NB) binding with Annexin V. In vitro, we investigated the binding rate of NB-Annexin V with breast ...
PURPOSE Breast cancers can be asymptomatic at an early stage and hence screening programmes play an important role in detecting breast cancers early. Even in those patients who present with breast symptoms, breast cancers may be present at a site remote to the site of symptoms. In this study, we aimed to assess the frequency, site and imaging modality used to identify these incidental cancers i...
AIM The combination of different imaging modalities through the use of fusion devices promises significant diagnostic improvement for breast pathology. The aim of this study was to evaluate image quality and clinical feasibility of a prototype fusion device (fusion prototype) constructed from a standard tomosynthesis mammography unit and a standard 3D ultrasound probe using a new method of brea...
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