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Digital breast tomosynthesis

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https://www.readbyqxmd.com/read/28530138/review-and-management-of-breast-lesions-detected-with-breast-tomosynthesis-but-not-visible-on-mammography-and-ultrasonography
#1
Fusun Taskin, Yasemin Durum, Aykut Soyder, Alparslan Unsal
Background Breast tomosynthesis is more sensitive than mammography and can detect lesions that are not always visible with conventional methods such as digital mammography (MG) and ultrasonography (US). No standardized approach is available for the management of lesions that are detectable with tomosynthesis but are not visible on MG or US. Purpose To review suspicious breast lesions detected with tomosynthesis but not visible on two-dimensional (2D) MG or US and to determine the management options for these lesions...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28526511/looking-for-a-needle-in-a-haystack-the-importance-of-having-optimal-display-luminance-level-for-breast-cancer-detection-on-digital-breast-tomosynthesis
#2
EDITORIAL
Sophie Paquerault, Renée M Howell
No abstract text is available yet for this article.
May 16, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28523569/effect-of-age-on-breast-cancer-screening-using-tomosynthesis-in-combination-with-digital-mammography
#3
Elizabeth A Rafferty, Stephen L Rose, Dave P Miller, Melissa A Durand, Emily F Conant, Debra S Copit, Sarah M Friedewald, Donna M Plecha, Ingrid L Ott, Mary K Hayes, Kara L Carlson, Thomas M Cink, Lora D Barke, Linda N Greer, Loren T Niklason
PURPOSE: To determine the effect of tomosynthesis imaging as a function of age for breast cancer screening. METHODS: Screening performance metrics from 13 institutions were examined for 12 months prior to introduction of tomosynthesis (period 1) and compared to those after introduction of tomosynthesis (period 2, range 3-22 months). Screening metrics for women ages 40-49, 50-59, 60-69, and 70+ , included rates per 1000 screens for recalls, biopsies, cancers, and invasive cancers detected...
May 18, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28516226/benefit-of-adding-digital-breast-tomosynthesis-to-digital-mammography-for-breast-cancer-screening-focused-on-cancer-characteristics-a-meta-analysis
#4
REVIEW
Seong Jong Yun, Chang-Woo Ryu, Sun Jung Rhee, Jung Kyu Ryu, Ji Young Oh
PURPOSE: We evaluated the benefit of adding digital breast tomosynthesis (DBT) to full-field digital mammography (FFDM) compared to FFDM alone for breast cancer detection, focusing on cancer characteristics. METHODS: We searched electronic databases and relevant references for published studies comparing DBT plus FFDM to FFDM alone for breast cancer screening. Pooled risk ratios (RRs) for various pathologic findings were determined using random effects models. RESULTS: Eleven eligible studies were included...
May 18, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28504593/comparison-between-digital-and-synthetic-2d-mammograms-in-breast-density-interpretation
#5
Taghreed I Alshafeiy, Antoine Wadih, Brandi T Nicholson, Carrie M Rochman, Heather R Peppard, James T Patrie, Jennifer A Harvey
OBJECTIVE: The purpose of this study was to compare assessments of breast density on synthetic 2D images as compared with digital 2D mammograms. MATERIALS AND METHODS: This retrospective study included consecutive women undergoing screening with digital 2D mammography and tomosynthesis during May 2015 with a negative or benign outcome. In separate reading sessions, three radiologists with 5-25 years of clinical experience and 1 year of experience with synthetic 2D mammography read digital 2D and synthetic 2D images and assigned breast density categories according to the 5th edition of BI-RADS...
May 15, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28473081/acr-appropriateness-criteria-%C3%A2-breast%C3%A2-pain
#6
Peter M Jokich, Lisa Bailey, Carl D'Orsi, Edward D Green, Anna I Holbrook, Su-Ju Lee, Ana P Lourenco, Martha B Mainiero, Linda Moy, Karla A Sepulveda, Priscilla J Slanetz, Sunita Trikha, Monica M Yepes, Mary S Newell
Breast pain (or tenderness) is a common symptom, experienced by up to 80% of women at some point in their lives. Fortunately, it is rarely associated with breast cancer. However, breast pain remains a common cause of referral for diagnostic breast imaging evaluation. Appropriate workup depends on the nature and focality of the pain, as well as the age of the patient. Imaging evaluation is usually not indicated if the pain is cyclic or nonfocal. For focal, noncyclic pain, imaging may be appropriate, mainly for reassurance and to identify treatable causes...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28473070/acr-appropriateness-criteria-%C3%A2-evaluation-of-nipple-discharge
#7
Su-Ju Lee, Sunita Trikha, Linda Moy, Paul Baron, Roberta M diFlorio, Edward D Green, Samantha L Heller, Anna I Holbrook, Alana A Lewin, Ana P Lourenco, Bethany L Niell, Priscilla J Slanetz, Ashley R Stuckey, Nina S Vincoff, Susan P Weinstein, Monica M Yepes, Mary S Newell
Appropriate imaging evaluation of nipple discharge depends the nature of the discharge. Imaging is not indicated for women with physiologic nipple discharge. For evaluation of pathologic nipple discharge, multiple breast imaging modalities are rated for evidence-based appropriateness under various scenarios. For women age 40 or older, mammography or digital breast tomosynthesis (DBT) should be the initial examination. Ultrasound is usually added as a complementary examination, with some exceptions. For women age 30 to 39, either mammogram or ultrasound may be used as the initial examination on the basis of institutional preference...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28469438/visualization-of-breast-microcalcifications-on-digital-breast-tomosynthesis-and-2-dimensional-digital-mammography-using-specimens
#8
Jieun Byun, Jee Eun Lee, Eun Suk Cha, Jin Chung, Jeoung Hyun Kim
PURPOSE: The purpose of this study is to compare the visibility of microcalcifications of digital breast tomosynthesis (DBT) and full-field digital mammography (FFDM) using breast specimens. MATERIALS AND METHODS: Thirty-one specimens' DBT and FFDM were retrospectively reviewed by four readers. RESULTS: The image quality of microcalcifications of DBT was rated as superior or equivalent in 71.0% by reader 1, 67.8% by reader 2, 64.5% by reader 3, and 80...
2017: Breast Cancer: Basic and Clinical Research
https://www.readbyqxmd.com/read/28463546/imaging-with-synthesized-2d-mammography-differences-advantages-and-pitfalls-compared-with-digital-mammography
#9
Samantha P Zuckerman, Andrew D A Maidment, Susan P Weinstein, Elizabeth S McDonald, Emily F Conant
OBJECTIVE: Synthesized 2D (s2D) mammography is rapidly replacing digital mammography in breast imaging with digital breast tomosynthesis (DBT) to reduce radiation dose and maintain screening outcomes. We illustrate variations in the appearance of s2D and digital mammograms to aid in implementation of this technology. CONCLUSION: Despite subjective differences in the appearance of s2D and digital mammograms, early outcomes of screening using s2D mammography and DBT are not inferior to those achieved with digital mammography and DBT...
May 2, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28447102/multimodal-breast-cancer-imaging-using-coregistered-dynamic-diffuse-optical-tomography-and-digital-breast-tomosynthesis
#10
Bernhard B Zimmermann, Bin Deng, Bhawana Singh, Mark Martino, Juliette Selb, Qianqian Fang, Amir Y Sajjadi, Jayne Cormier, Richard H Moore, Daniel B Kopans, David A Boas, Mansi A Saksena, Stefan A Carp
No abstract text is available yet for this article.
April 1, 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28436856/task-based-modeling-of-an-5k-ultra-high-resolution-medical-imaging-system-for-digital-breast-tomosynthesis
#11
Chumin Zhao, Jerzy Kanicki
High-resolution, low noise x-ray detectors based on CMOS active pixel sensor (APS) technology have demonstrated superior imaging performance for digital breast tomosynthesis (DBT). This paper presents a task-based model for a high resolution medical imaging system to evaluate its ability to detect simulated microcalcifications and masses as lesions for breast cancer. Three-dimensional (3D) cascaded system analysis for a 50 μm pixel pitch CMOS APS x-ray detector was integrated with an object task function, a medical imaging display model, and the human eye contrast sensitivity function to calculate the detectability index and area under the ROC curve (AUC)...
April 19, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28411676/synthesized-digital-mammography-imaging
#12
REVIEW
Phoebe E Freer, Nicole Winkler
Synthesized mammography (SM) is a new imaging technique similar to digital mammography constructed from an acquired digital breast tomosynthesis (DBT) examination. SM allows for widespread screening using DBT, maintaining the benefits of DBT while decreasing the radiation of DBT by nearly half. This article reviews studies evaluating SM, most of which suggest that SM may be appropriate to use clinically to replace an actual acquired conventional 2-dimensional full-field digital mammogram (FFDM) when using DBT for breast cancer screening...
May 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/28411675/breast-tomosynthesis-practical-considerations
#13
REVIEW
Sarah M Friedewald
Digital breast tomosynthesis (DBT) is rapidly becoming the new standard of care for breast cancer screening. DBT has improved on the limitations of traditional digital mammography by increasing cancer detection and decreasing false-positive examinations. Interpretation of DBT is slightly different than digital mammography and therefore experience with the technology is paramount to achieve best performance. Examples of malignancies that should be recalled and benign findings that are safely called as benign are provided in this article...
May 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/28411674/breast-tomosynthesis-clinical-evidence
#14
REVIEW
Steven Poplack
In the last 20 years, there has been rapid evolution of the clinical research on digital breast tomosynthesis supporting its adoption in clinical breast imaging practice. Beginning with proof of principle pilot observational studies and culminating in prospective population-based screening trials and outcome reporting from clinical practice, there is a wealth of data on the DBT technology. This article catalogs the scientific and clinical evidence of DBT, highlighting some of the most important studies that have been reported to date...
May 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/28398001/an-update-on-carbon-nanotube-enabled-x-ray-sources-for-biomedical-imaging
#15
REVIEW
Connor Puett, Christina Inscoe, Allison Hartman, Jabari Calliste, Dora K Franceschi, Jianping Lu, Otto Zhou, Yueh Z Lee
A new imaging technology has emerged that uses carbon nanotubes (CNT) as the electron emitter (cathode) for the X-ray tube. Since the performance of the CNT cathode is controlled by simple voltage manipulation, CNT-enabled X-ray sources are ideal for the repetitive imaging steps needed to capture three-dimensional information. As such, they have allowed the development of a gated micro-computed tomography (CT) scanner for small animal research as well as stationary tomosynthesis, an experimental technology for large field-of-view human imaging...
April 11, 2017: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/28391808/fully-automated-nipple-detection-in-digital-breast-tomosynthesis
#16
Seung-Hoon Chae, Ji-Wook Jeong, Jang-Hwan Choi, Eun Young Chae, Hak Hee Kim, Young-Wook Choi, Sooyeul Lee
BACKGROUND AND OBJECTIVE: We propose a nipple detection algorithm for use with digital breast tomosynthesis (DBT) images. DBT images have been developed to overcome the weaknesses of 2D mammograms for denser breasts by providing 3D breast images. The nipple location acts as an invaluable landmark in DBT images for aligning the right and left breasts and describing the relative location of any existing lesions. METHODS: Nipples may be visible or invisible in a breast image, and therefore a nipple detection method must be able to detect the nipples for both cases...
May 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28378409/diffusion-of-digital-breast-tomosynthesis-among-women-in-primary-care-associations-with-insurance-type
#17
Cheryl R Clark, Tor D Tosteson, Anna N A Tosteson, Tracy Onega, Julie E Weiss, Kimberly A Harris, Jennifer S Haas
Digital breast tomosynthesis (DBT) has shown potential to improve breast cancer screening and diagnosis compared to digital mammography (DM). The FDA approved DBT use in conjunction with conventional DM in 2011, but coverage was approved by CMS recently in 2015. Given changes in coverage policies, it is important to monitor diffusion of DBT by insurance type. This study examined DBT trends and estimated associations with insurance type. From June 2011 to September 2014, DBT use in 22 primary care centers in the Dartmouth -Brigham and Women's Hospital Population-based Research Optimizing Screening through Personalized Regimens research center (PROSPR) was examined among women aged 40-89...
May 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28377347/-influence-of-projection-data-correction-on-digital-breast-tomosynthesis-imaging
#18
Xin-Yu Zhang, Hua Zhang, Zhao-Ying Bian, Dong Zeng, Ji He, Xiu-Mei Tian, Jian-Hua Ma, Jing Huang
OBJECTIVE: To investigate the effect of detector performance during digital breast tomography (DBT) projection data acquisition on reconstructed image quality. METHODS: With reference to the traditional detector data correction method and the specific data acquisition pattern in DBT imaging, we utilized dark field correction, light field and its gain correction for processing the projection data collected by the detector. The reconstructed images were evaluated using iterative reconstruction method based on total generalized variation (TGV)...
March 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28376261/theoretical-investigation-of-the-noise-performance-of-active-pixel-imaging-arrays-based-on-polycrystalline-silicon-thin-film-transistors
#19
Martin Koniczek, Larry E Antonuk, Youcef El-Mohri, Albert K Liang, Qihua Zhao
PURPOSE: Active matrix flat-panel imagers, which typically incorporate a pixelated array with one a-Si:H thin-film transistor (TFT) per pixel, have become ubiquitous by virtue of many advantages, including large monolithic construction, radiation tolerance and high DQE. However, at low exposures such as those encountered in fluoroscopy, digital breast tomosynthesis and breast computed tomography, DQE is degraded due to the modest average signal generated per interacting x-ray relative to electronic additive noise levels of ~1000 e, or greater...
April 4, 2017: Medical Physics
https://www.readbyqxmd.com/read/28374502/the-role-of-digital-breast-tomosynthesis-in-the-breast-assessment-clinic-a-review
#20
REVIEW
Suneeta Mall, Sarah Lewis, Patrick Brennan, Jennie Noakes, Claudia Mello-Thoms
Mammography has long been considered as the primary technique in breast cancer detection and assessment. Despite low specificity, mammography has been preferred over other contemporary techniques such as magnetic resonance imaging (MRI), computed tomography (CT) and ultrasonography (US) due to superior sensitivity and significant health economic benefits. The development of a new technique, a limited angle cone beam pseudo-three-dimensional tomosynthesis, digital breast tomosynthesis (DBT), has gained momentum...
April 4, 2017: Journal of Medical Radiation Sciences
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