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Table 4 Criteria raking (mean values based in Kendall’s W) comparison between first and second Delphi rounds regarding craniocaudal images performed with Eklund manoeuvre combining the opinions of both groups (radiologists and radiographers)

From: Consensus about image quality assessment criteria of breast implants mammography using Delphi method with radiographers and radiologists

Criteria for craniocaudal projection of breast implant mammograms with Eklund manoeuvre
Criteria1st round (average)Criteria2nd round (average)
Sharpness of breast tissue5.5Sharpness of breast tissue5.4
Absence of artefacts5.6Maximum retropulsion of implant5.8
Spread of breast tissue6.2Visualisation of medial breast tissue6.1
Nipple in profile6.8Adequate image contrast6.1
Maximum retropulsion of implant6.9Adequate image penetration6.1
Breast aligned with the detector’s centre7.1Visualisation of retroglandular adipose tissue6.8
Visualisation of medial breast tissue8.1Breast aligned with the detector’s centre7.0
Absence of skin folders8.1Absence of artefacts7.2
Visualisation of implant’s anterior edge8.6Absence of skin folders7.6
Visualisation of retroglandular adipose tissue9.0Spread of breast tissue7.7
Nipple angle +/− 10°9.9Nipple in profile8.5
Images in mirror10.1Visualisation of implant’s anterior edge9.1
Axillary tail visible10.5Images in mirror10.3
Skin line visible11.6Axillary tail visible11.3
Visualisation of vascular anatomy11.8Visualisation of pectoral muscleLeft out
Visualisation of pectoral muscle13.5Nipple angle +/− 10°Left out
Skin line visible14.0Visualisation of vascular anatomyLeft out
Adequate image contrastNot includedVisualisation of pores along the skinLeft out
Adequate image penetrationNot includedSkin line visibleLeft out