Reduction of radiation exposure in radiography of the chest
Journal Article
·
· Radiology; (United States)
Reduction of patient exposure in chest radiography by means of copper filtration was investigated for a range of filter thicknesses at kilovoltages commonly employed for the postero-anterior and lateral projections. The influence of copper filtration on tube output, beam quality, entrance and midplane exposures, tube load, and image contrast was determined from physical measurements and evaluation of phantom images. The results indicate that entrance exposure may be reduced by 30-40% and midplane exposure by approximately 24% through the use of a 0.32-mm copper filter, with an acceptable increase in tube load and only minor changes in the appearance of the images.
- Research Organization:
- Univ. of Colorado Health Sciences Center, Denver
- OSTI ID:
- 6704415
- Journal Information:
- Radiology; (United States), Journal Name: Radiology; (United States) Vol. 144:4; ISSN RADLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550602* -- Medicine-- External Radiation in Diagnostics-- (1980-)
62 RADIOLOGY AND NUCLEAR MEDICINE
BEAM OPTICS
BIOMEDICAL RADIOGRAPHY
BODY
BODY AREAS
CHEST
COPPER
DATA
DIAGNOSTIC TECHNIQUES
DOSES
ELECTROMAGNETIC RADIATION
ELEMENTS
EQUIPMENT
EXPERIMENTAL DATA
FILTRATION
INFORMATION
IONIZING RADIATIONS
MEDICINE
METALS
MOCKUP
NUCLEAR MEDICINE
NUMERICAL DATA
PATIENTS
PHANTOMS
RADIATION DOSES
RADIATIONS
RADIOLOGY
SEPARATION PROCESSES
STRUCTURAL MODELS
TRANSITION ELEMENTS
X RADIATION
X-RAY EQUIPMENT
62 RADIOLOGY AND NUCLEAR MEDICINE
BEAM OPTICS
BIOMEDICAL RADIOGRAPHY
BODY
BODY AREAS
CHEST
COPPER
DATA
DIAGNOSTIC TECHNIQUES
DOSES
ELECTROMAGNETIC RADIATION
ELEMENTS
EQUIPMENT
EXPERIMENTAL DATA
FILTRATION
INFORMATION
IONIZING RADIATIONS
MEDICINE
METALS
MOCKUP
NUCLEAR MEDICINE
NUMERICAL DATA
PATIENTS
PHANTOMS
RADIATION DOSES
RADIATIONS
RADIOLOGY
SEPARATION PROCESSES
STRUCTURAL MODELS
TRANSITION ELEMENTS
X RADIATION
X-RAY EQUIPMENT