Australian radiographers’ digital era practice in selecting the image receptor angle for female body habitus for the mediolateral oblique view of the breast

IF 2.5 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
R. Pape
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Abstract

Introduction

Correct alignment of the image receptor (IR) in mammography for the mediolateral oblique (MLO) view of the breast is fundamental to enable the maximum inclusion of breast tissue. This study aims to assess Australian radiographers' knowledge and digital era practice in selecting the IR angle for female body habitus in the MLO view of the breast.

Methods

An online survey was distributed to all members of the Australian Society of Medical Imaging and Radiation Therapy (ASMIRT) through their electronic newsletter and via direct email to radiographers holding the Certificate of Mammographic Practice (CMP). Descriptive analysis was undertaken, and a Pearson's chi-squared test of independence was used to compare associations between academic qualification and IR selection data. A value of p < 0.05 was deemed statistically significant.

Results

A total of 107 valid surveys were returned; 67.3 % reported using the posterior lateral margin to select the IR angle. For linear body habitus, 44.9 % reported using 50°; for all other body habitus, participants most commonly used 45° (59.1 %); 85.1 % used a range of angles between 40 and 55°; 16.8 % recognised the link between correct IR angle selection and breast tissue inclusion.

Conclusion

The range of angles used in practice has reduced in the digital era; the frequency of the use of 45° across all body habitus may reflect tube angle movement automation. Few radiographers recognised the important link between correct selection of IR angle and breast tissue inclusion on the image.

Implications for practice

Understanding of the link between IR angle selection and image quality enhances current practice in the digital era to maximise the inclusion of breast tissue and minimise the potential of missed breast cancer.
澳大利亚放射技师在数字时代为女性体型选择乳房内外侧斜切面图像受体角度的做法
导言在乳腺 X 射线摄影中,正确对准乳房内外侧斜切(MLO)视图的图像受体(IR)对于最大限度地包含乳腺组织至关重要。本研究旨在评估澳大利亚放射技师在乳房 MLO 观察中根据女性体型选择 IR 角度的知识和数字时代实践。方法通过电子通讯向澳大利亚医学影像和放射治疗学会 (ASMIRT) 的所有会员发放在线调查问卷,并直接向持有乳腺摄影执业证书 (CMP) 的放射技师发送电子邮件。我们进行了描述性分析,并使用皮尔逊卡方检验比较了学历与 IR 选择数据之间的相关性。结果共收回107份有效调查问卷;67.3%的人称使用后外侧缘选择IR角度。对于线性体型,44.9% 的人报告使用 50°;对于所有其他体型,参与者最常用的是 45°(59.1%);85.1% 的人使用 40 至 55° 之间的角度;16.8% 的人认识到正确选择红外角度与乳腺组织包容之间的联系。对实践的启示了解红外角度选择与图像质量之间的联系可提高数字化时代的实践水平,从而最大限度地包含乳腺组织并将漏诊乳腺癌的可能性降至最低。
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来源期刊
Radiography
Radiography RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-
CiteScore
4.70
自引率
34.60%
发文量
169
审稿时长
63 days
期刊介绍: Radiography is an International, English language, peer-reviewed journal of diagnostic imaging and radiation therapy. Radiography is the official professional journal of the College of Radiographers and is published quarterly. Radiography aims to publish the highest quality material, both clinical and scientific, on all aspects of diagnostic imaging and radiation therapy and oncology.
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