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Optimisation of the design of antiscatter grids by computer modelling
n/a.
Linköping University, Department of Medicine and Health Sciences, Radiation Physics . Linköping University, Center for Medical Image Science and Visualization, CMIV. Östergötlands Läns Landsting, Centre of Surgery and Oncology, Department of Radiation Physics. Linköping University, Faculty of Health Sciences.ORCID iD: 0000-0003-3352-8330
Linköping University, Department of Medicine and Health Sciences, Radiation Physics . Linköping University, Faculty of Health Sciences.ORCID iD: 0000-0003-0209-498X
Linköping University, Department of Medicine and Health Sciences, Radiation Physics . Linköping University, Faculty of Health Sciences.
1995 (English)In: Radiation Protection Dosimetry, ISSN 0144-8420, Vol. 57, no 1, 207-210 p.Article in journal (Refereed) Published
Abstract [en]

A Monte Carlo computer program has been developed to model diagnostic radiological examinations, and has been used to study and optimise the design of antiscatter grids. This is important because the use of an inappropriate or poorly designed grid can lead to increased patient dose. Optimal grid parameters may be different for large and small scattering volumes. The program treats the patient as a rectangular block of tissue and takes account of the grid and image receptor. Image quality is measured in terms of contrast and signal-to-noise ratio and patient risk in terms of mean absorbed dose. Test objects of appropriate size and composition are used in the calculation of these image quality parameters. A new performance comparison and optimisation procedure has been developed, and the program has been used to study grid design in screen-film and digital radiology for small, medium and large scattering volumes.

Place, publisher, year, edition, pages
1995. Vol. 57, no 1, 207-210 p.
National Category
Medical and Health Sciences
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URN: urn:nbn:se:liu:diva-20939OAI: oai:DiVA.org:liu-20939DiVA: diva2:236843
Available from: 2009-09-25 Created: 2009-09-25 Last updated: 2015-03-20

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Sandborg, MichaelAlm Carlsson, GudrunPersliden, Jan

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Sandborg, MichaelAlm Carlsson, GudrunPersliden, Jan
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Radiation Physics Center for Medical Image Science and Visualization, CMIVDepartment of Radiation PhysicsFaculty of Health Sciences
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CiteExportLink to record
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