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Radiation doses from mammography in Australia

Technical Report:

Abstract

During 1989-90 the Australian Radiation Laboratory conducted a postal survey of at least 90% of the mammographic facilities in Australia. The primary aim of the survey was to measure the mean glandular dose (MGD) and the X-ray beam half value layer (HVL) for a typical mammograph. The MGD and HVL were measured with a specially designed tissue equivalent monitor. In all, 258 mammographic centres were surveyed. It was found that for centres using film-screen imaging, the average mean glandular dose was 1.83 mGy for centres using grids and 0.84 mGy for centres not using grids. In addition to the MGD and HVL, comprehensive statistical information was collected and data is presented on the types of equipment and techniques used, the number and age of patients and demographic distribution of centres. Results indicate that the use of a grid is the major factor determining dose and several other factors appear to have minor effects. In view of the distribution of MGD, it is recommended that the mean glandular dose per image, for a 5 cm compressed breast thickness, should not exceed 2.0 mGy when a grid is used and 1.0 mGy without a grid. 63 refs., 11 tabs., 15 figs.
Publication Date:
May 01, 1991
Product Type:
Technical Report
Report Number:
ARL-TR-101
Reference Number:
SCA: 560101; PA: AIX-25:002766; EDB-94:015327; ERA-19:005364; NTS-94:014060; SN: 93001120301
Resource Relation:
Other Information: PBD: May 1991
Subject:
61 RADIATION PROTECTION AND DOSIMETRY; MAMMARY GLANDS; X-RAY RADIOGRAPHY; GRIDS; AGE DEPENDENCE; EXPERIMENTAL DATA; HEALTH HAZARDS; QUALITY ASSURANCE; RADIATION DOSE DISTRIBUTIONS; RADIATION DOSES; STATISTICAL DATA; THICKNESS; TISSUE-EQUIVALENT MATERIALS; UPTAKE; WOMEN; 560101; DOSIMETRY AND MONITORING
OSTI ID:
10109572
Research Organizations:
Australian Radiation Lab., Melbourne, VIC (Australia)
Country of Origin:
Australia
Language:
English
Other Identifying Numbers:
Other: ON: DE94608996; TRN: AU9313503002766
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
INIS
Size:
71 p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Thomson, J E.M., Young, B F, Young, J G, and Tingey, D R.C. Radiation doses from mammography in Australia. Australia: N. p., 1991. Web.
Thomson, J E.M., Young, B F, Young, J G, & Tingey, D R.C. Radiation doses from mammography in Australia. Australia.
Thomson, J E.M., Young, B F, Young, J G, and Tingey, D R.C. 1991. "Radiation doses from mammography in Australia." Australia.
@misc{etde_10109572,
title = {Radiation doses from mammography in Australia}
author = {Thomson, J E.M., Young, B F, Young, J G, and Tingey, D R.C.}
abstractNote = {During 1989-90 the Australian Radiation Laboratory conducted a postal survey of at least 90% of the mammographic facilities in Australia. The primary aim of the survey was to measure the mean glandular dose (MGD) and the X-ray beam half value layer (HVL) for a typical mammograph. The MGD and HVL were measured with a specially designed tissue equivalent monitor. In all, 258 mammographic centres were surveyed. It was found that for centres using film-screen imaging, the average mean glandular dose was 1.83 mGy for centres using grids and 0.84 mGy for centres not using grids. In addition to the MGD and HVL, comprehensive statistical information was collected and data is presented on the types of equipment and techniques used, the number and age of patients and demographic distribution of centres. Results indicate that the use of a grid is the major factor determining dose and several other factors appear to have minor effects. In view of the distribution of MGD, it is recommended that the mean glandular dose per image, for a 5 cm compressed breast thickness, should not exceed 2.0 mGy when a grid is used and 1.0 mGy without a grid. 63 refs., 11 tabs., 15 figs.}
place = {Australia}
year = {1991}
month = {May}
}