نتایج جستجو برای: full field digital mammography system

تعداد نتایج: 3277808  

Journal: :Diagnostic and interventional radiology 2016
Lifang Si Renyou Zhai Xiaojuan Liu Kaiyan Yang Li Wang Tao Jiang

PURPOSE We aimed to evaluate the diagnostic accuracy of a combination of dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) and apparent diffusion coefficient (ADC) values in lesions that manifest with architectural distortion (AD) on mammography. METHODS All full-field digital mammography (FFDM) images obtained between August 2010 and January 2013 were reviewed retrospectively, a...

Journal: :Radiology 2016
Samantha P Zuckerman Emily F Conant Brad M Keller Andrew D A Maidment Bruno Barufaldi Susan P Weinstein Marie Synnestvedt Elizabeth S McDonald

Purpose To evaluate the early implementation of synthesized two-dimensional (s2D) mammography in a population screened entirely with s2D and digital breast tomosynthesis (DBT) (referred to as s2D/DBT) and compare recall rates and cancer detection rates to historic outcomes of digital mammography combined with DBT (referred to as digital mammography/DBT) screening. Materials and Methods This was...

Journal: :Radiology 2012
Adriana M J Bluekens Roland Holland Nico Karssemeijer Mireille J M Broeders Gerard J den Heeten

PURPOSE To compare screen-film mammography with digital mammography in a breast cancer screening program, with a focus on the clinical relevance of detected cancers. MATERIALS AND METHODS The study was approved by the regional medical ethics review board. Informed consent was not required. Before the nationwide transition to digital mammography in the Dutch biennial screening program, the per...

Journal: :Clinical journal of oncology nursing 2005
Deborah Davison

For the past several decades, mammography has been the cornerstone of screening for breast cancer. Technology has improved greatly, as has radiologists’ skills in interpreting fi lms. Many studies have attempted to analyze the contribution of regular mammography screening to decreasing mortality from breast cancer. These studies have demonstrated varying results. In 2001, Olsen and Gotzsche pub...

Journal: :Medical physics 2000
D E Peplow K Verghese

Monte Carlo simulations of digital images of the contrast detail phantom and the ACR phantom are presented for two different x-ray digital mammography modalities: a synchrotron mammography system and a next-generation scanning slot clinical system. A combination of variance reduction methods made it possible to simulate accurate images using real pixel dimensions within reasonable computation t...

Journal: :Japanese Journal of Radiological Technology 1996

2017

Because modern digital detectors can be tuned to be more efficient than screen-film systems, they automatically lower the radiation dose to the patient while maintaining the image quality radiologists crave. Photon-counting, the method used in Sectra's detector, for example, minimizes patient exposure to radiation. In a 2006 analysis, the British National Health Service Breast Screening Program...

2014
Hye Shin Ahn Sun Mi Kim Mijung Jang Bo La Yun Bohyoung Kim Eun Sook Ko Boo-Kyung Han Jung Min Chang Ann Yi Nariya Cho Woo Kyung Moon Hye Young Choi

OBJECTIVE To compare new full-field digital mammography (FFDM) with and without use of an advanced post-processing algorithm to improve image quality, lesion detection, diagnostic performance, and priority rank. MATERIALS AND METHODS During a 22-month period, we prospectively enrolled 100 cases of specimen FFDM mammography (Brestige®), which was performed alone or in combination with a post-p...

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