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Does elevating image receptor increase breast receptor footprint and improve pressure balance?

Smith, H, Szczepura, K, Mercer, C, Maxwell, A and Hogg, P 2015, 'Does elevating image receptor increase breast receptor footprint and improve pressure balance?' , Radiography .

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There is no consensus in the literature regarding the image receptor (IR) position for the cradio-caudal projection in mammography. Some literature indicates the IR should be positioned to the infra mammary fold (IMF); other literature suggests the IR be raised 2 cm relative to the IMF. Using 16 female volunteers (32 breasts) and a pressure sensitive mat we investigated breast footprint and pressure balance with IR at IMF and IR 2 cm above the IMF. Breast area on IR and paddle and interface pressure between IR/breast and paddle/breast were recorded. A uniformity index (UI) gave a measure of pressure balance between IR/ breast and paddle/breast. IR breast footprint increases significantly by 13.81 cm2 (p < 0.02) when IR is raised by 2 cm. UI reduces from 0.4 to 0.00 (p ¼ 0.04) when positioned at IMF þ2 cm demonstrating an improved pressure balance. Practitioners should consider raising the IR by 2 cm relative to the IMF in clinical practice. Further work is suggested to investigate the effects of practitioner variability and breast asymmetry.

Item Type: Article
Themes: Health and Wellbeing
Schools: Schools > School of Health Sciences > Centre for Health Sciences Research
Journal or Publication Title: Radiography
Publisher: Elsevier
Refereed: Yes
ISSN: 1078-8174
Related URLs:
Funders: Non funded research
Depositing User: P Hogg
Date Deposited: 02 Apr 2015 11:00
Last Modified: 24 Mar 2016 01:38

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