Screening mammography with semi magnification technique (factor 1.2) : Clinical evaluation for microcalcification
نویسندگان
چکیده
منابع مشابه
Correspondence: Reply to ‘Quantitative evaluation of X-ray dark-field images for microcalcification analysis in mammography'
Scherer et al.1 claim that the phantom study in our Article2 might not reliably model real microcalcifications in human breast and referred to previous publications3–5 to emphasize that the scattering signal depends on particle grain sizes. Specifically, they mention Michel et al.’s simulation results6, which report a larger scattering signal of calcium hydroxyapatite compared with calcium oxal...
متن کاملCorrespondence: Quantitative evaluation of X-ray dark-field images for microcalcification analysis in mammography
Wang et al.1 have recently reported an X-ray grating interferometer imaging approach2–4 for mammography combining the information from the X-ray absorption and small-angle scattering signal. The authors claim that their approach can distinguish between type I (calcium oxalate dihydrate, CaC2O4 2H2O) and type II (calcium hydroxyapatite, Ca5(PO4)3(OH)) microcalcifications. While such a differenti...
متن کاملClinical outcomes of modelling mammography screening strategies.
BACKGROUND A validated breast cancer model can be used to compare health outcomes associated with different screening strategies. DATA AND METHODS The University of Wisconsin Cancer Intervention and Surveillance Modeling Network (CISNET) breast cancer microsimulation model was adapted to simulate breast cancer incidence, screening performance and delivery of optimal therapies in Canada. The m...
متن کاملScreening for breast cancer with mammography.
BACKGROUND A variety of estimates of the benefits and harms of mammographic screening for breast cancer have been published and national policies vary. OBJECTIVES To assess the effect of screening for breast cancer with mammography on mortality and morbidity. SEARCH STRATEGY We searched PubMed (June 2005). SELECTION CRITERIA Randomised trials comparing mammographic screening with no mammo...
متن کاملOptimization of Digital Mammography Resolution Using Magnification Technique in Computed Radiography
Purpose: To determine whether magnified digital mammography using a computed radiography system can produce better spatial resolution by reducing the focus-object distance, and to define the optimal magnification factor when a large x-ray tube focal spot is used for digital mammography using a CR system. Materials and Methods: Digital images obtained using computed radiography of a breast phant...
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ژورنال
عنوان ژورنال: Japanese Journal of Radiological Technology
سال: 1996
ISSN: 0369-4305,1881-4883
DOI: 10.6009/jjrt.kj00001355003