AMNE:(MEDICAL AND HEALTH SCIENCES Clinical Medicine Radiology, Nuclear Medicine and Medical Imaging)
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- Fredenberg, Erik,PhD,1979-KTH,Medicinsk bildfysik (author)
Energy filtering with x-ray lenses: Optimization for photon-counting mammography
- Article/chapterEnglish2010
Publisher, publication year, extent ...
- 2010-02-23
- Oxford University Press (OUP),2010
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-11640
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-11640URI
- https://doi.org/10.1093/rpd/ncq049DOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
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Notes
- QC 20100714. Uppdaterad från submitted till published (20100714)
- Chromatic properties of the multi-prism and prism-array x-ray lenses (MPL and PAL) can potentially be utilized for efficient energy filtering and dose reduction in mammography. The line-shaped foci of the lenses are optimal for coupling to photon-counting silicon strip detectors in a scanning system. A theoretical model was developed and used to investigate the benefit of two lenses compared to an absorption-filtered reference system. The dose reduction of the MPL filter was 15% compared to the reference system at matching scan time, and the spatial resolution was higher. The dose of the PAL-filtered system was found to be 20% lower than for the reference system at equal scan time and resolution, and only 20% higher than for a monochromatic beam. An investigation of some practical issues remains, including the feasibility of brilliant-enough x-ray sources and manufacturing of a polymer PAL.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Annan teknik Övrig annan teknik hsv//swe
- ENGINEERING AND TECHNOLOGY Other Engineering and Technologies Other Engineering and Technologies not elsewhere specified hsv//eng
- NATURVETENSKAP Fysik Atom- och molekylfysik och optik hsv//swe
- NATURAL SCIENCES Physical Sciences Atom and Molecular Physics and Optics hsv//eng
- MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Radiologi och bildbehandling hsv//swe
- MEDICAL AND HEALTH SCIENCES Clinical Medicine Radiology, Nuclear Medicine and Medical Imaging hsv//eng
- TEKNIK OCH TEKNOLOGIER Medicinteknik Medicinsk laboratorie- och mätteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Medical Engineering Medical Laboratory and Measurements Technologies hsv//eng
- x-ray imaging
- mammography
- x-ray optics
- multiprism lens
- prism-array lens
- energy filtering
- radiation dose
- spatial resolution
- exposure time
- Other engineering physics
- Övrig teknisk fysik
- Optical physics
- Optisk fysik
- Radiological research
- Radiologisk forskning
- Medical engineering
- Medicinsk teknik
Added entries (persons, corporate bodies, meetings, titles ...)
- Cederström, BjörnKTH,Medicinsk bildfysik,Medical Imaging(Swepub:kth)u1oerth9 (author)
- Danielsson, MatsKTH,Medicinsk bildfysik,Medical Imaging(Swepub:kth)u1m3qe0f (author)
- KTHMedicinsk bildfysik (creator_code:org_t)
Related titles
- In:Radiation Protection Dosimetry: Oxford University Press (OUP)139, s. 339-3420144-84201742-3406
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