the Dependence of the Scattered Radiation-Dose To Personnel on Technique Factors in Diagnostic-Radiology

  • MARSHALL N
  • FAULKNER K
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Abstract

The measurement and prediction of scattered radiation dose to staff in
diagnostic radiology is particularly important, owing to the increased
use and complexity of interventional radiology. The air kerma-area
product and scattered radiation dose in the vicinity of the patient
couch, for both overcouch and undercouch X-ray tube geometries, were
simultaneously monitored. The scattered radiation distribution at the
couchside was deduced at a range of tube potentials for both overcouch
and undercouch X-ray tube geometries. The variation of scattered
radiation with field size on both geometries was investigated, as well
as the variation with focus-table distance on an overcouch tube
geometry. It was discovered that the scattered radiation dose at a
point correlated with the air kerma-area product and the result may be
used for radiation protection purposes. A method of predicting the
scattered radiation dose at a given position is described.

Author-supplied keywords

  • abstract
  • and scattered radiation dose
  • for both overcouch and
  • in
  • interventional radiology
  • of scattered radiation dose
  • owing to the increased
  • patient couch
  • radiation protection
  • radiology
  • radiology is particularly important
  • the
  • the air kerma-area product
  • the measurement and prediction
  • the vicinity of the
  • to staff in diagnostic
  • undercouch x-ray tube geometries
  • use and complexity of
  • were simultaneously monitored

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Authors

  • N W MARSHALL

  • K FAULKNER

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