The effect of breast shielding outside the field of view on breast entrance surface dose in axial X-ray examinations: a phantom study

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dc.contributor.authorHurley, Lauren
dc.contributor.authorAlashban, Yazeed
dc.contributor.authorAlbeshan, Salman
dc.contributor.authorEngland, Andrew
dc.contributor.authorMcEntee, Mark F.
dc.date.accessioned2023-07-13T13:06:19Z
dc.date.available2023-07-13T13:06:19Z
dc.date.issued2023
dc.description.abstractPURPOSE: The purpose of this study was to evaluate the effect of outside-field-of-view (FOV) lead shielding on the entrance surface dose (ESD) of the breast on an anthropomorphic X-ray phantom for a variety of axial skeleton X-ray examinations. METHODS: Using an anthropomorphic phantom and radiation dosimeter, the ESD of the breast was measured with and without outside-FOV shielding in anterior-posterior (AP) abdomen, AP cervical spine, occipitomental 30° (OM30) facial bones, AP lumbar spine, and lateral lumbar spine radiography. The effect of several exposure parameters, including a low milliampere-seconds technique, grid use, automatic exposure control use, wraparound lead (WAL) use, trolley use, and X-ray table use, on the ESD of the breast with and without outside-FOV shielding was investigated. The mean ESD (μSv) and standard deviation for each radiographic protocol were calculated. A one-tailed Student’s t-test was carried out to evaluate whether ESD to the breast was reduced with the use of outside-FOV shielding. RESULTS: A total of 920 breast ESD measurements were recorded across the different protocol parame ters. The largest decrease in mean ESD of the breast with outside-FOV shielding was 0.002 μSv (P = 0.084), recorded in the AP abdomen on the table with a grid, OM30 on the table with a grid, OM30 standard protocol on the trolley, and OM30 on the trolley with WAL protocols. This decrease was found to be statistically non-significant. CONCLUSION: This study found no significant decrease in the ESD of the breast with the use of outside-FOV shield ing for the AP abdomen, AP cervical spine, OM30 facial bones, AP lumbar spine, or lateral lumbar spine radiography across a range of protocols.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationHurley, L., Alashban, Y., Albeshan, S., England, A. and McEntee, M.F. (2023) 'The effect of breast shielding outside the field of view on breast entrance surface dose in axial X-ray examinations: a phantom study', Diagnostic and Interventional Radiology, 29(3), pp. 555-560. doi: 10.4274/dir.2023.232126en
dc.identifier.doi10.4274/dir.2023.232126
dc.identifier.endpage560
dc.identifier.issn13053825
dc.identifier.issued3
dc.identifier.journaltitleDiagnostic and Interventional Radiologyen
dc.identifier.startpage555
dc.identifier.urihttps://hdl.handle.net/10468/14722
dc.identifier.volume29
dc.language.isoenen
dc.publisherGalenos Publishing Houseen
dc.rights© 2023, the Authors. This is an open access article distributed under the Creative Commons Attribution-NonCommercial 4.0 International License.en
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0
dc.subjectAnthropomorphic phantomen
dc.subjectEntrance surface doseen
dc.subjectField of viewen
dc.subjectRadiographyen
dc.subjectShieldingen
dc.subjectWraparound leaden
dc.titleThe effect of breast shielding outside the field of view on breast entrance surface dose in axial X-ray examinations: a phantom studyen
dc.typeArticle (peer-reviewed)en
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