Radiation dose from a linear slit scanning X-ray machine with full-body imaging capabilities

Doses for a range of examinations and views using digital X-ray equipment with full-body linear slit scanning capabilities (Statscan) have been compared with those from other published studies. Entrance doses (free-in-air) were measured using a dosimeter, and effective doses were generated using a M...

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Bibliographic Details
Published in:Radiation protection dosimetry 2008, Vol.130 (4), p.482-489
Main Authors: Irving, B. J., Maree, G. J., Hering, E. R., Douglas, T. S.
Format: Article
Language:English
Subjects:
Air
Algorithms
Equipment Design
Humans
Monte Carlo Method
Radiation Monitoring - methods
Radiation Protection - instrumentation
Radiation Protection - methods
Radiation, Ionizing
Radiographic Image Enhancement - instrumentation
Radiography - methods
Radiometry - methods
Whole Body Imaging - instrumentation
Whole Body Imaging - methods
X-Ray Intensifying Screens
X-Rays
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Summary:Doses for a range of examinations and views using digital X-ray equipment with full-body linear slit scanning capabilities (Statscan) have been compared with those from other published studies. Entrance doses (free-in-air) were measured using a dosimeter, and effective doses were generated using a Monte Carlo simulator. Doses delivered by the linear slit scanning system were significantly lower than those from conventional X-ray equipment. Effective doses were between 9 and 75% of the United Nations Scientific Committee Report on the Effects of Ionising Radiation doses for standard examinations. This dose reduction can be explained by the properties of linear slit scanning technology, including low scatter, beam geometry, the use of a digital detector and the use of higher than usual tube voltages.
ISSN:0144-8420
1742-3406
DOI:10.1093/rpd/ncn073