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Breast Imaging
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Breast imaging has two purposes. The first purpose is to screen asymptomatic women for early breast cancer. The second purpose is to evaluate breast abnormalities in symptomatic patients or patients with indeterminate screening mammograms. Screening is accomplished with standard two-view mammography, but diagnostic evaluation often requires the additional use of special mammographic views, breast US, MR, and interventional procedures. From the Fundamentals of Diagnostic Radiology, 4e.

Your search returned 19 results
from the time period: last 30 days.
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Radiographics : a review publication of the Radiological Society of North America, Inc
There has been recent interest in molecular breast imaging (MBI) for supplemental screening because of its high sensitivity, as well as its high specificity. This article describes how MBI fits into clinical practice alongside digital breast tomosynthesis (DBT), targeted US, and MR imaging. The authors describe their approach to breast cancer screening, which uses DBT as the primary imaging modality.
Oncology (4)
Breast Neoplasms (3), Neoplasms (1), more mentions
Radiographics : a review publication of the Radiological Society of North America, Inc
Invited Commentary on "Molecular Breast Imaging in Breast Cancer Screening and Problem Solving"..
Oncology (2)
Breast Neoplasms (2), more mentions
AJR. American journal of roentgenology
... was to investigate the impact of decreasing breast compression during digital mammography and breast tomosynthesis (DBT) on perceived pain and image quality.In this two-part study, two ... Blurring artifacts and tissue coverage were judged by three breast imaging radiologists, and compression force, breast thickness, relative tissue coverage, and perceived pain were ...
Medical physics
AbstractText: This study investigated a novel gamma camera for molecular breast tomosynthesis (MBT), which is a nuclear breast imaging method that uses limited angle tomography ... The VASH collimator mounts to a commercial gamma camera for breast imaging that uses a pixelated (3.2 mm), 15 x 20 cm ... Keyword: molecular breast imaging. Keyword: molecular breast tomosynthesis.
Clinical breast cancer
... of a malignancy were confirmed by pathologic examination, whereas other results were confirmed by 1-year follow-up after initial screening AbstractText: Based on Breast Imaging Reporting and Data System (BIRADS) assessments, 84 (84.8%) of 99 cancers were identified on mammography (detection rate, 2.6/1000), and 61 (61.6%) of 99 ...
Oncology (3)
Breast Diseases (2), Breast Neoplasms (2), Neoplasms (1), more mentions
Radiographics : a review publication of the Radiological Society of North America, Inc
Imaging of Breast Implant-associated Complications and Pathologic Conditions: Breast Imaging..
Ultrasound in medicine & biology
... SE) improves US differentiation between benign and malignant non-mass breast lesions and the decision for biopsy. In this prospective study, three different radiologists analyzed the US images of 77 non-mass lesions independently and recorded Breast Imaging Reporting and Data System (BI-RADS) categories for four data sets... Keyword: Breast Imaging Reporting and Data System. Keyword: Color Doppler ultrasound.
Radiology
Abstract: Purpose To evaluate the association between Breast Imaging Reporting and Data System (BI-RADS) mammographic and magnetic resonance (MR) imaging features and breast cancer recurrence risk in patients with estrogen receptor-positive breast cancer who underwent the Oncotype DX assay. Materials and Methods In this institutional review board-approved and HIPAA-compliant protocol, 408 patients diagnosed with invasive breast ...
Oncology (4)
Breast Neoplasms (4), more mentions
Clinical breast cancer
The high-throughput radiomics features were designed and extracted using a breast imaging reporting and data system and further selected using Student's t test, interfeature coefficients and a lasso regression model. The support vector machine classifier with threefold cross-validation was used to evaluate the relationship AbstractText: The radiomics approach demonstrated a strong correlation between receptor status and subtypes (P ...
Oncology (3)
Neoplasms (5), Ductal Carcinoma (1), Breast Ductal Carcinoma (1), more mentions
The breast journal
Polyacrylamide gel augmentation mammoplasty: Breast Images..
AJR. American journal of roentgenology
... objective of our study was to evaluate positioning of full-field digital mammography (FFDM) and digital breast tomosynthesis (DBT) compared with film-screen (FS) mammography positioning standards AbstractText: A retrospective study was conducted of ... standardized positioning training, are still applicable at the expense of including more skin folds Keyword: digital breast tomosynthesis.
Clinical radiology
... June 2012 to October 2015, participants in a cancer staging study underwent full-field digital mammography (FFDM), CEMRI, and CESM. Two readers independently rated FGTV, MBD, and BPE using the Breast Imaging-Reporting and Data System (BI-RADS) criteria. Inter-reader reliability was estimated using weighted kappa (k) and correlations between BPE, MBD, and FGTV calculated using Spearman's correlation coefficient.
Oncology (3)
Breast Neoplasms (2), Claustrophobia (1), Neoplasms (1), more mentions
Journal of biomedical optics
Diffuse optical breast imaging utilizes near-infrared (NIR) light propagation through tissues to assess the optical properties of tissues for the identification of abnormal tissue. This optical imaging approach is sensitive, cost-effective, and does not involve any ionizing radiation. However, the image reconstruction of diffuse optical tomography (DOT) is a nonlinear inverse problem and suffers from severe illposedness due ...
Oncology (2)
Breast Neoplasms (2), Neoplasms (1), more mentions
Medical physics
PURPOSE: Simulation-based image quality metrics are adapted and investigated for characterizing the parameter dependences of linear iterative image reconstruction for DBT. METHODS: Three metrics based on a 2D DBT simulation are investigated: (1) a root-mean-square-error (RMSE) between the test phantom and reconstructed image, (2) a gradient RMSE where the comparison is made after taking a spatial gradient of both image and phantom, and (3) a region-of-interest (ROI) Hotelling observer (HO) for signal-known-exactly/background-known-exactly (SKE/BKE) and signal-known-exactly/background-known-statistically (SKE/BKS) detection tasks. Two simulation studies are performed using the aforementioned metrics, varying voxel aspect ratio, and regularization strength for two types of Tikhonov-regularized least-squares optimization. The RMSE metrics are applied to a 2D test phantom with resolution bar patterns at varying angles, and the ROI-HO metric is applied to two tasks relevant to DBT: lesion detection, modeled by use of a large, low-contrast signal, and microcalcification detection, modeled by use of a small, high-contrast signal. The RMSE metric trends are compared with visual assessment of the reconstructed bar-pattern phantom. The ROI-HO metric trends are compared with 3D reconstructed images from ACR phantom data acquired with a Hologic Selenia Dimensions DBT system. RESULTS: Sensitivity of the image RMSE to mean pixel value is found to limit its applicability to the assessment of DBT image reconstruction. The image gradient RMSE is insensitive to mean pixel value and appears to track better with subjective visualization of the reconstructed bar-pattern phantom. The ROI-HO metric shows an increasing trend with regularization strength for both forms of Tikhonov-regularized least-squares; however, this metric saturates at intermediate regularization strength indicating a point of diminishing returns for signal detection. Visualization with the reconstructed ACR phantom images appear to show a similar dependence with regularization strength. CONCLUSIONS: From the limited studies presented it appears that image gradient RMSE trends correspond with visual assessment better than image RMSE for DBT image reconstruction. The ROI-HO metric for both detection tasks also appears to reflect visual trends in the ACR phantom reconstructions as a function of regularization strength. We point out, however, that the true utility of these metrics can only be assessed after amassing more data.
AJR. American journal of roentgenology
... our study was to determine outcomes of lesions identified as clustered microcysts on breast ultrasound to augment the existing literature and help guide appropriate management recommendations.We retrospectively ... January 2003 through December 2013, of all lesions classified as clustered microcysts at breast ultrasound. Breast ultrasound examinations were performed by the interpreting physician.
Hyperplasia (1), more mentions
Medical physics
... phantoms in order to facilitate virtual clinical trials using model observers for breast imaging optimization and evaluation.These synthetic breast phantoms were developed using Principal Component ... important step towards conducting future virtual trials for task-based assessment of breast imaging, where it is vital to have a large ensemble of realistic phantoms ...
Medicine
Then, the classification adjustments of breast imaging reporting and data system (BI-RADS) were made according to new findings on the coronal planes by using ABVS.There are totally 166 breast tumors found in 124 patients by HHUS, while 8 more were observed by ABVS, 4 of which were malignant ...
Breast Neoplasms (4), Neoplasms (2), more mentions
Magnetic resonance in medicine
... images, potentially leading to erroneous CEST contrast AbstractText: This study provides a basis for understanding the origin and appearance of lipid artifacts in CEST imaging, and lays the foundation for their efficient removal. Magn Reson Med, 2017. 2017 International Society for Magnetic Resonance in Medicine Keyword: CEST. Keyword: IP. Keyword: OP. Keyword: body imaging. Keyword: breast imaging. Keyword: lipid artifact.
Medical physics
The authors investigate the impact that incremental increases in the level of detail of patient-specific prior information have on image quality and the convergence behavior of an inversion algorithm in the context of near-field microwave breast imaging. A methodology is presented that uses image quality measures to characterize the ability of the algorithm to reconstruct both internal structures ...
Neoplasms (1), more mentions