Radiography最新文献_第7页

Awareness of breast cancer and breast screening methods among undergraduate female students from government universities in Sri Lanka 斯里兰卡政府大学本科女生对乳腺癌和乳房筛查方法的认识。

IF 2.8 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Radiography

Pub Date : 2025-12-01 DOI: 10.1016/j.radi.2025.103102

D. Perera, D. Satharasinghe, M. Nissanka, M. Jayakody, J. Jeyasugiththan

Introduction

Breast cancer is the most frequently diagnosed cancer among Sri Lankan women, with over 3000 new cases reported annually and a mortality rate of approximately 4.7 per 100,000 women. This study evaluated breast cancer awareness among female undergraduates from government universities in Sri Lanka, on knowledge of risk factors, symptoms, screening methods and prevention.

Methods

A cross-sectional survey was conducted among 1002 female undergraduates (aged 20–28) from 12 government universities in Sri Lanka. A validated, self-administered questionnaire was used to collect data including demographics, breast cancer awareness, risk factors and screening methods. Descriptive statistics and one-way ANOVA were employed to analyse knowledge variations across faculties and age groups.

Results

The survey revealed that 98.7 % of respondents were aware of breast cancer. However, only 61.2 % recognised it as one of the most common cancers among women. Awareness of breast cancer screening methods revealed that the majority (54.5 %) were unaware of Breast Self-Examination (BSE), and only 42 % recognised the importance of mammograms even in the absence of symptoms. Knowledge scores varied by academic disciplines, with Health Sciences and Natural and Applied Sciences showing highest awareness. Additionally, awareness increased with age, peaking in the 26–28 years group compared to younger age groups.

Conclusion

The findings reveal significant knowledge gaps among female undergraduates regarding breast cancer risk factors and the importance of breast screening methods. Despite awareness, understanding of early detection methods is insufficient, highlighting the need for better education on preventive behaviours.

Implications for practice

Targeted educational programmes are essential to enhance breast cancer awareness, improve screening access, and encourage proactive behaviours such as breast self-examinations to enhance early detection and improve survival rates.

导言：乳腺癌是斯里兰卡妇女中最常被诊断的癌症，每年报告的新病例超过3000例，死亡率约为每10万名妇女4.7例。本研究评估了斯里兰卡政府大学的女本科生对乳腺癌的认识，包括危险因素、症状、筛查方法和预防。方法：对斯里兰卡12所公立大学1002名20 ~ 28岁的女大学生进行横断面调查。一份经过验证的、自我管理的问卷被用来收集数据，包括人口统计、乳腺癌意识、风险因素和筛查方法。采用描述性统计和单因素方差分析来分析各院系和年龄组之间的知识差异。结果：调查显示98.7%的受访者了解乳腺癌。然而，只有61.2%的人认为乳腺癌是女性中最常见的癌症之一。对乳腺癌筛查方法的认识表明，大多数（54.5%）不知道乳房自我检查（BSE），只有42%的人认识到乳房x光检查的重要性，即使没有症状。知识得分因学科而异，健康科学和自然与应用科学表现出最高的认知。此外，这种意识随着年龄的增长而增强，与更年轻的年龄组相比，在26-28岁的年龄组中达到顶峰。结论：本研究结果揭示了女性大学生对乳腺癌危险因素和乳腺筛查方法重要性的认知存在显著差距。尽管认识到这一点，但对早期检测方法的了解还不够，这突出表明需要对预防行为进行更好的教育。对实践的影响：有针对性的教育计划对于提高乳腺癌意识、改善筛查机会和鼓励主动行为（如乳房自我检查）以加强早期发现和提高生存率至关重要。

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引用次数: 0

Optimising patient positioning in magnetic resonance imaging for image Co-registration in radiosurgery planning 优化患者在磁共振成像中的位置，以实现放射外科计划中的图像协同配准。

IF 2.8 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Radiography

Pub Date : 2025-12-01 DOI: 10.1016/j.radi.2025.103216

F.M. Costa , D. Saraiva , F. Fonseca , A. Alves , J. Casalta-Lopes , V. Silva , A.R. Figueira , A. Monteiro , A.C. Silva , L. Osório

Introduction

Integrating magnetic resonance imaging (MRI) and stereotactic radiosurgery (SRS) has revolutionised cancer treatment, enhancing precision and improving patient outcomes. MRI/CT image fusion improves the visualisation of targets and surrounding tissues, supporting accurate radiotherapy planning. This study evaluates the impact of multidisciplinary cooperation between radiology and radiotherapy departments on MRI/CT image fusion, incorporating a thermomouldable cervical cushion during CT and MRI planning to optimise patient positioning.

Methods

This retrospective study analysed 200 MRI/CT co-registrations from patients treated at our institution between January 2023 and October 2024, divided into two groups: Group A (diagnostic MRI setup) and Group B (radiology/radiotherapy synergy with thermomouldable cervical cushion and laser alignment). Rotational deviations (pitch, roll, yaw) were extracted. Data were assessed for normality using the Kolmogorov–Smirnov test, and group comparisons were performed with an independent samples t-test (p < 0.05).

Results

Group B demonstrated significantly lower absolute rotational deviations than Group A across all axes (pitch, roll, yaw; p < 0.001). Mean absolute deviations were reduced from 7.44° to 3.46° for pitch (X-axis), 2.86°–1.59° for roll (Y-axis), and 4.18°–1.70° for yaw (Z-axis), confirming the impact of radiology/radiotherapy synergy on improving MRI/CT image-fusion alignment.

Conclusion

Multidisciplinary cooperation between the radiology and radiotherapy departments enabled the implementation of an improved MRI acquisition protocol for SRS planning. The introduction of a thermomouldable cervical cushion provided a simple, reproducible, and accessible solution to improve MRI/CT image-fusion quality, particularly valuable in hospitals without dedicated MRI scanners for radiotherapy.

Implications for practice

Multidisciplinary synergy between the radiology and radiotherapy departments significantly improved MRI and CT image co-registration, optimising precision in SRS planning, supported by the use of a thermomouldable cervical cushion.

整合磁共振成像（MRI）和立体定向放射外科（SRS）已经彻底改变了癌症治疗，提高了精度，改善了患者的预后。MRI/CT图像融合改善了目标和周围组织的可视化，支持准确的放疗计划。本研究评估了放射科和放疗科之间多学科合作对MRI/CT图像融合的影响，在CT和MRI计划中纳入可热塑的颈椎垫，以优化患者的体位。方法：本回顾性研究分析了2023年1月至2024年10月期间在我院接受治疗的200例MRI/CT联合登记患者，分为两组：A组（诊断性MRI设置）和B组（放射学/放疗协同使用可热熔颈垫和激光对准）。提取旋转偏差（俯仰、横摇、偏航）。采用Kolmogorov-Smirnov检验评估数据的正态性，采用独立样本t检验进行组间比较（p < 0.05）。结果：B组在所有轴上（俯仰、横滚、偏航）的绝对旋转偏差明显低于A组；p < 0.001)。俯仰（x轴）的平均绝对偏差从7.44°降至3.46°，横摇（y轴）的平均绝对偏差从2.86°降至1.59°，偏航（z轴）的平均绝对偏差从4.18°降至1.70°，证实了放射学/放疗协同对改善MRI/CT图像融合对齐的影响。结论：放射科和放疗科之间的多学科合作使改进的MRI采集方案能够用于SRS计划的实施。可热熔颈垫的引入为提高MRI/CT图像融合质量提供了一种简单、可重复、易于获取的解决方案，在没有专用MRI扫描仪进行放射治疗的医院尤其有价值。实践意义：放射科和放疗科之间的多学科协同作用显著改善了MRI和CT图像的共配准，优化了SRS计划的精度，并使用了可热塑颈椎垫。

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引用次数: 0

Aims & Scope / Editorial Board 目标与范围/编委会

IF 2.8 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Radiography

Pub Date : 2025-12-01 DOI: 10.1016/S1078-8174(25)00456-0

引用次数: 0

Evaluating the impact of image enhancement on radiomics feature stability in MRI of nasopharyngeal carcinoma 评估影像增强对鼻咽癌MRI放射组学特征稳定性的影响。

IF 2.8 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Radiography

Pub Date : 2025-12-01 DOI: 10.1016/j.radi.2025.103123

N. Ismail , I. Kamal , M.H.M. Zaid , K.N. Tangaraju , S. Nair , M.K. Abdul Karim

Objective

To evaluate the stability of radiomic features derived from different segmentation methods in head and neck MRI of nasopharyngeal carcinoma (NPC), with a focus on the effect of the Histogram Matching Filter (HMF).

Methods

A total of 851 radiomic features, including tumor intensity, shape, and texture, were extracted from 30 manually segmented MRI scans. The same scans were also segmented using semi-automatic techniques and further enhanced using a Histogram Matching Filter (HMF) prior to segmentation. Segmentation was performed using a level tracing algorithm by two experienced radiologists. Intraclass correlation coefficients (ICC) were used to assess feature reproducibility and repeatability.

Results

Semi-automatic segmentation with HMF demonstrated the highest reproducibility. For T2-weighted images (T2WI), the ICC was 0.990 ± 0.019 (p < 0.005), and for contrast-enhanced T1-weighted images (CE-T1WI), the ICC was 0.987 ± 0.025 (p < 0.005). Conventional semi-automatic segmentation achieved lower ICCs: 0.905 ± 0.073 for T2WI and 0.922 ± 0.063 for CE-T1WI. Manual segmentation showed the lowest reproducibility with ICCs of 0.787 ± 0.134 for T2WI and 0.801 ± 0.131 for CE-T1WI (p > 0.005).

Conclusions

Incorporating HMF into the segmentation workflow significantly improves the reproducibility of radiomic features, especially in T2WI. This enhancement supports more consistent and reliable analyses in radiomic studies.

Implication of practice

The use of HMF-enhanced segmentation can reduce variability in radiomic feature extraction, promoting greater consistency in clinical decision-making and radiomic research involving NPC.

目的：评价鼻咽癌（NPC）头颈部MRI不同分割方法得到的放射学特征的稳定性，重点研究直方图匹配滤波器（HMF）的效果。方法：从30张人工分割的MRI扫描图中提取851个放射学特征，包括肿瘤强度、形状和纹理。同样的扫描也使用半自动技术进行分割，并在分割之前使用直方图匹配过滤器（HMF）进一步增强。由两名经验丰富的放射科医生使用水平跟踪算法进行分割。用类内相关系数（ICC）评价特征再现性和重复性。结果：HMF半自动分割重现性好。t2加权图像（T2WI）的ICC为0.990±0.019 (p < 0.005)，对比增强t1加权图像（CE-T1WI）的ICC为0.987±0.025 （p < 0.005）。常规半自动分割的ICCs较低，T2WI为0.905±0.073，CE-T1WI为0.922±0.063。手工分割的重现性最低，T2WI的ICCs为0.787±0.134，CE-T1WI的ICCs为0.801±0.131 （p < 0.05）。结论：将HMF纳入分割工作流程可显著提高放射学特征的再现性，尤其是T2WI。这种增强支持放射学研究中更一致和可靠的分析。实践意义：使用hmf增强分割可以减少放射学特征提取的可变性，促进临床决策和涉及鼻咽癌的放射学研究的更大一致性。

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引用次数: 0

Person-centred care in the management of imaging-related anxiety in diagnostic radiography: A scoping review exploring cancer and non-cancer populations 以人为中心的护理在影像学诊断中的影像相关焦虑的管理：一个范围审查探索癌症和非癌症人群。

IF 2.8 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Radiography

Pub Date : 2025-12-01 DOI: 10.1016/j.radi.2025.103218

V.J. Hughes , H.M. Chapman , T. Ross

Introduction

The potential anxiety invoked by diagnostic imaging procedures intensifies in cancer diagnoses, with the term ‘scanxiety’ originating from the additional fear associated with cancer imaging. This emphasises the importance of a person-centred approach to care. This scoping review mapped the literature regarding imaging-related anxiety, ‘scanxiety’, and person-centred care.

Methods

Databases used were Cinahl Plus; Proquest; PubMed; Scopus; Web of Science; PsycINFO, and Cochrane. Broad search terms were utilised to maximise results, with specific inclusion and exclusion criteria. Limiters were English language articles within the previous 10 years. Further to systematic filtering and critical appraisal, 60 studies were included.

Results

Findings were organised in four themes: ‘Quantification and causes of anxiety’; ‘The nature of imaging procedures’; ‘Perceptions of Person-centredness’; and ‘Service and staffing factors’. MRI and PET/CT cause the highest procedural stress. Fear of results causes greater, and more sustained, anxiety in cancer patients than other groups, creating complex emotional needs. The physiological effects of anxiety can adversely affect image quality and ability to complete scans. Human interaction is central to managing anxiety, but service pressures and staff emotional labour influence care delivery. Most existing person-centred care research in imaging relates to generic populations, with limited focus on how diagnostic radiography staff can support people with cancer.

Conclusion

Although the psychosocial needs of those undergoing cancer imaging are greater than in other diagnoses, more research is needed into the benefits of a person-centred approach and the support and education needs of staff working in this field.

Implications for practice

Understanding experiences of cancer imaging, from both patient and staff perspectives, including any facilitators and barriers to care, would support development of a model for person-centred care in this specialist area.

导读：在癌症诊断中，诊断成像程序引发的潜在焦虑加剧，术语“扫描焦虑”源于与癌症成像相关的额外恐惧。这强调了以人为本的护理方法的重要性。本综述梳理了影像相关焦虑、“影像焦虑”和以人为本的护理方面的文献。方法：使用的数据库为Cinahl Plus；它;PubMed;斯高帕斯;Web of Science；PsycINFO和Cochrane。广泛的搜索词被用来最大化结果，并有特定的纳入和排除标准。限制因素是过去10年内的英文文章。经过系统筛选和批判性评价，纳入了60项研究。结果：调查结果分为四个主题：“焦虑的量化和原因”；“成像程序的性质”；“以人为中心的观念”；以及“服务和人员因素”。MRI和PET/CT引起最大的程序性应激。癌症患者对结果的恐惧导致了比其他群体更大、更持久的焦虑，产生了复杂的情感需求。焦虑的生理效应会对图像质量和完成扫描的能力产生不利影响。人与人之间的互动是控制焦虑的核心，但服务压力和工作人员的情绪劳动影响护理的提供。大多数现有的以人为中心的成像护理研究涉及一般人群，对放射诊断人员如何为癌症患者提供支持的关注有限。结论：尽管接受癌症成像的患者的心理社会需求大于其他诊断，但需要更多的研究来了解以人为本的方法的好处以及在该领域工作的工作人员的支持和教育需求。对实践的启示：从患者和工作人员的角度了解癌症成像的经验，包括任何促进因素和护理障碍，将有助于在该专业领域建立以人为本的护理模式。

{"title":"Person-centred care in the management of imaging-related anxiety in diagnostic radiography: A scoping review exploring cancer and non-cancer populations","authors":"V.J. Hughes , H.M. Chapman , T. Ross","doi":"10.1016/j.radi.2025.103218","DOIUrl":"10.1016/j.radi.2025.103218","url":null,"abstract":"<div><h3>Introduction</h3><div>The potential anxiety invoked by diagnostic imaging procedures intensifies in cancer diagnoses, with the term ‘scanxiety’ originating from the additional fear associated with cancer imaging. This emphasises the importance of a person-centred approach to care. This scoping review mapped the literature regarding imaging-related anxiety, ‘scanxiety’, and person-centred care.</div></div><div><h3>Methods</h3><div>Databases used were Cinahl Plus; Proquest; PubMed; Scopus; Web of Science; PsycINFO, and Cochrane. Broad search terms were utilised to maximise results, with specific inclusion and exclusion criteria. Limiters were English language articles within the previous 10 years. Further to systematic filtering and critical appraisal, 60 studies were included.</div></div><div><h3>Results</h3><div>Findings were organised in four themes: ‘Quantification and causes of anxiety’; ‘The nature of imaging procedures’; ‘Perceptions of Person-centredness’; and ‘Service and staffing factors’. MRI and PET/CT cause the highest procedural stress. Fear of results causes greater, and more sustained, anxiety in cancer patients than other groups, creating complex emotional needs. The physiological effects of anxiety can adversely affect image quality and ability to complete scans. Human interaction is central to managing anxiety, but service pressures and staff emotional labour influence care delivery. Most existing person-centred care research in imaging relates to generic populations, with limited focus on how diagnostic radiography staff can support people with cancer.</div></div><div><h3>Conclusion</h3><div>Although the psychosocial needs of those undergoing cancer imaging are greater than in other diagnoses, more research is needed into the benefits of a person-centred approach and the support and education needs of staff working in this field.</div></div><div><h3>Implications for practice</h3><div>Understanding experiences of cancer imaging, from both patient and staff perspectives, including any facilitators and barriers to care, would support development of a model for person-centred care in this specialist area.</div></div>","PeriodicalId":47416,"journal":{"name":"Radiography","volume":"31 ","pages":"Article 103218"},"PeriodicalIF":2.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145410592","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Breast cancer survivors' perceptions of cardiovascular risk following radiotherapy in the United Kingdom 英国乳腺癌幸存者对放疗后心血管风险的认知

IF 2.8 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Radiography

Pub Date : 2025-12-01 DOI: 10.1016/j.radi.2025.103213

A. Lynch , N. Roberts , J. Wolfarth , A. Hancock

Introduction

Modern adjuvant treatments for early-stage breast cancer have improved survival rates, shifting clinical focus towards managing long-term effects such as radiation-induced cardiovascular disease (CVD). This study aimed to evaluate and explore, amongst breast cancer patients treated with non-palliative radiotherapy, their awareness, understanding, risk perceptions and health beliefs around CVD & cardiovascular late effects of radiotherapy.

Methods

Purposeful sampling was used to recruit participants with lived experience of early breast cancer, to explore their perceptions and understanding of the risks of cardiovascular late effects following adjuvant left-sided radiotherapy. University ethical approval was obtained. Participants were recruited for interview through Breast Cancer Now. Each interview was audio-recorded, transcribed verbatim and thematically analysed.

Results

Ten semi-structured interviews were completed with participants aged between 42 and 56, across three UK nations. Analysis established four themes: Knowledge and perception of risk, Heart-health follow-up, Heart-healthy behaviours and Needs and preferences. Participants were indirectly aware of CVD risks via discussions on heart volume mitigation techniques by their radiotherapy healthcare professionals, but direct information on the risks, as well as health promotion conversations were lacking.

Conclusion

Despite receiving complex radiotherapy with known cardiac implications, women often feel under-informed about long-term cardiovascular risks. The provision of timely information can support the process of informed consent and support patients to be active in their own self-management and care, helping to mitigate long term CVD risk.

Implications for practice

To improve outcomes, radiotherapy teams must deliver timely, clear, and personalised information, supported by standardised tools. Our findings support calls for national survivorship protocols to include cardiovascular monitoring for high-risk breast cancer survivors.

早期乳腺癌的现代辅助治疗提高了生存率，将临床重点转向管理长期影响，如辐射诱发的心血管疾病（CVD）。本研究旨在评估和探讨接受非姑息性放射治疗的乳腺癌患者对CVD和心血管放射治疗晚期效应的认知、理解、风险认知和健康信念。方法：采用有目的的抽样方法，招募有早期乳腺癌生活经历的参与者，探讨他们对辅助左侧放疗后心血管晚期效应风险的认知和理解。获得大学伦理认可。参与者是通过Breast Cancer Now招募来接受采访的。每次采访都录音，逐字抄录，并按主题进行分析。结果：完成了十次半结构化访谈，参与者年龄在42岁至56岁之间，来自英国三个国家。分析确定了四个主题：风险的知识和感知、心脏健康随访、心脏健康行为和需求和偏好。参与者通过其放射治疗保健专业人员关于心脏体积减缓技术的讨论间接意识到心血管疾病的风险，但缺乏关于风险的直接信息以及健康促进对话。结论：尽管接受了已知有心脏影响的复杂放射治疗，但女性往往对长期心血管风险知之甚少。及时提供信息可以支持知情同意过程，并支持患者积极进行自我管理和护理，有助于减轻心血管疾病的长期风险。实践意义：为了改善结果，放疗团队必须在标准化工具的支持下提供及时、清晰和个性化的信息。我们的研究结果支持对高风险乳腺癌幸存者进行心血管监测的国家幸存者方案的呼吁。

{"title":"Breast cancer survivors' perceptions of cardiovascular risk following radiotherapy in the United Kingdom","authors":"A. Lynch , N. Roberts , J. Wolfarth , A. Hancock","doi":"10.1016/j.radi.2025.103213","DOIUrl":"10.1016/j.radi.2025.103213","url":null,"abstract":"<div><h3>Introduction</h3><div>Modern adjuvant treatments for early-stage breast cancer have improved survival rates, shifting clinical focus towards managing long-term effects such as radiation-induced cardiovascular disease (CVD). This study aimed to evaluate and explore, amongst breast cancer patients treated with non-palliative radiotherapy, their awareness, understanding, risk perceptions and health beliefs around CVD & cardiovascular late effects of radiotherapy.</div></div><div><h3>Methods</h3><div>Purposeful sampling was used to recruit participants with lived experience of early breast cancer, to explore their perceptions and understanding of the risks of cardiovascular late effects following adjuvant left-sided radiotherapy. University ethical approval was obtained. Participants were recruited for interview through Breast Cancer Now. Each interview was audio-recorded, transcribed <em>verbatim</em> and thematically analysed.</div></div><div><h3>Results</h3><div>Ten semi-structured interviews were completed with participants aged between 42 and 56, across three UK nations. Analysis established four themes: Knowledge and perception of risk, Heart-health follow-up, Heart-healthy behaviours and Needs and preferences. Participants were indirectly aware of CVD risks via discussions on heart volume mitigation techniques by their radiotherapy healthcare professionals, but direct information on the risks, as well as health promotion conversations were lacking.</div></div><div><h3>Conclusion</h3><div>Despite receiving complex radiotherapy with known cardiac implications, women often feel under-informed about long-term cardiovascular risks. The provision of timely information can support the process of informed consent and support patients to be active in their own self-management and care, helping to mitigate long term CVD risk.</div></div><div><h3>Implications for practice</h3><div>To improve outcomes, radiotherapy teams must deliver timely, clear, and personalised information, supported by standardised tools. Our findings support calls for national survivorship protocols to include cardiovascular monitoring for high-risk breast cancer survivors.</div></div>","PeriodicalId":47416,"journal":{"name":"Radiography","volume":"31 ","pages":"Article 103213"},"PeriodicalIF":2.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145507456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Advancing therapeutic radiographers competences in Total Body Irradiation (TBI) through Virtual Reality (VR) -guided training 通过虚拟现实（VR）指导培训，提高放射治疗技师在全身照射（TBI）方面的能力。

IF 2.8 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Radiography

Pub Date : 2025-12-01 DOI: 10.1016/j.radi.2025.103284

A. Lastrucci , N. Iosca , M. Zani , G. Simontacchi , C. Bastida , M. Casati , N. Berni , A. Napoli , N. Cesareo-Santoro , N. Gualtieri , D. Giansanti , Y. Wandael , S. Pallotta , R. Ricci , L. Livi

Introduction

Virtual Reality (VR) is increasingly used in medical education to enhance clinical skills in a risk-free environment. In radiotherapy, VR training provides Therapeutic Radiographers (TRs) a valuable opportunity to safely simulate complex procedures such as total body irradiation (TBI). This study evaluates the effectiveness of a VR-based training programme in improving TRs' technical skills and confidence in performing TBI.

Methods

A multidisciplinary team developed a VR training course implemented at Careggi University Hospital. The course comprised three phases: theoretical lessons, practical training in VR, and post-training evaluation. A pre-course questionnaire was administered to assess the TRs’ confidence and knowledge gaps. Training was conducted using Meta-Quest headsets, which simulated the TBI workflow in VR environment. After the training, a post-course questionnaire was used to assess improvements in skills and confidence. Data were analyzed using Likert scale responses and comparative ratings.

Results

The pre-course questionnaire revealed that only 18.5 % of TRs felt confident performing TBI procedures. The lowest confidence levels were reported in the simulation and verification phases. Post-course results showed that TRs' confidence improved, particularly in performing workflows, patient immobilization, and diode application for in vivo dosimetry. A comparison of Likert scale ratings before and after the course showed an improvement in knowledge and procedural accuracy.

Conclusion

The VR-based training course was effective in improving technical skills and confidence in TBI procedures. The blended learning approach, which combined theoretical lessons and VR simulation, enhanced both cognitive and motor skills.

Implications for practice

This study supports the integration of VR training into radiotherapy training, particularly for complex and low-frequency procedures. Extending VR training to include other techniques and emergency protocols could enhance TRs’ competences and clinical skills.

虚拟现实（VR）越来越多地应用于医学教育中，以提高无风险环境下的临床技能。在放射治疗中，虚拟现实培训为放射治疗技师（TRs）提供了一个宝贵的机会，可以安全地模拟复杂的程序，如全身照射（TBI）。本研究评估了基于vr的培训计划在提高tr的技术技能和执行TBI的信心方面的有效性。方法：一个多学科团队开发了一个VR培训课程，在Careggi大学医院实施。课程分为三个阶段：理论课程、虚拟现实实践培训和培训后评估。课前调查问卷用于评估注册会计师的信心和知识差距。训练采用Meta-Quest头戴设备，模拟虚拟现实环境下的TBI工作流程。培训结束后，使用课程后问卷来评估技能和信心的提高。数据分析采用李克特量表和比较评分。结果：课前问卷调查显示，只有18.5%的TRs有信心执行TBI手术。在模拟和验证阶段报告的置信度最低。疗程后的结果显示，TRs的信心有所提高，特别是在执行工作流程、患者固定和二极管在体内剂量测定中的应用方面。课程前后的李克特量表评分比较显示知识和程序准确性的提高。结论：基于虚拟现实的培训课程能有效提高TBI手术的技术技能和信心。这种混合学习方法结合了理论课程和VR模拟，提高了认知和运动技能。实践意义：本研究支持将VR培训整合到放疗培训中，特别是对于复杂和低频手术。将虚拟现实培训扩大到包括其他技术和应急规程，可以提高临床医生的能力和临床技能。

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引用次数: 0

Innovation and integration: The future of medical radiation sciences in cancer care 创新与整合：医学放射科学在癌症治疗中的未来

IF 2.8 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Radiography

Pub Date : 2025-12-01 DOI: 10.1016/j.radi.2025.103298

A. Hancock, N. Roberts, E. Ekpo

引用次数: 0

Differentiating adenocarcinoma and squamous cell carcinoma in lung cancer using semi automated segmentation and radiomics 用半自动分割和放射组学鉴别肺癌腺癌和鳞状细胞癌。

IF 2.8 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Radiography

Pub Date : 2025-12-01 DOI: 10.1016/j.radi.2025.102997

R.T. Hettiarachchi , H.A.R.V. Alwis , R. Vijitha , W.M.I.S. Wickramasinghe , R.M.G.C.S.B. Jayatissa , P.A.S. Perera

Introduction

Adenocarcinoma (AD) and squamous cell carcinoma (SCC) are frequently observed forms of non-small cell lung cancer (NSCLC), playing a significant role in global cancer mortality. This research categorizes NSCLC subtypes by analyzing image details using computer-assisted semi-automatic segmentation and radiomic features in model development.

Method

This study includes 80 patients with 50 AD and 30 SCC which were analyzed using 3D Slicer software and extracted 107 quantitative radiomic features per patient. After eliminating correlated attributes, LASSO binary logistic regression model and 10-fold cross-validation were used for feature selection. The Shapiro–Wilk test assessed radiomic score normality, and the Mann–Whitney U test compared score distributions. Random Forest (RF) and Support Vector Machine (SVM) classification models were implemented for subtype classification.

Results

Receiver-Operator Characteristic (ROC) curves evaluated the radiomics score, showing a moderate predictive ability with training set area under curve (AUC) of 0.679 (95 % CI, 0.541–0.871) and validation set AUC of 0.560 (95 % CI, 0.342–0.778). Rad-Score distributions were normal for AD and not normal for SCC. RF and SVM classification models, which are based on selected features, resulted RF accuracy (95 % CI) of 0.73 and SVM accuracy (95 % CI) of 0.87, with respective AUC values of 0.54 and 0.87.

Conclusion

These findings enhance the understanding that the two subtypes of NSCLC can be differentiated.

Implications for practice

The study demonstrated radiomic analysis improves diagnostic accuracy and offers a non-invasive alternative. However, the AUCs and ROC curves for the machine learning models must be critically evaluated to ensure clinical acceptability. If robust, these models could reduce the need for biopsies and enhance personalized treatment planning. Further research is needed to validate these findings and integrate radiomics into NSCLC clinical practice.

腺癌（AD）和鳞状细胞癌（SCC）是常见的非小细胞肺癌（NSCLC），在全球癌症死亡率中起着重要作用。本研究利用计算机辅助半自动分割和模型开发中的放射学特征分析图像细节，对NSCLC亚型进行分类。方法：80例AD患者50例，SCC患者30例，采用3D切片软件进行分析，提取107例定量放射学特征。剔除相关属性后，采用LASSO二元逻辑回归模型和10倍交叉验证进行特征选择。夏皮罗-威尔克测试评估放射学评分正态性，曼-惠特尼U测试比较评分分布。采用随机森林（RF）和支持向量机（SVM）分类模型对子类型进行分类。结果：受试者-操作者特征（ROC）曲线评估放射组学评分，显示出中等的预测能力，训练集曲线下面积（AUC）为0.679 (95% CI, 0.541-0.871)，验证集AUC为0.560 （95% CI, 0.342-0.778）。AD的Rad-Score分布正常，SCC不正常。基于所选特征的RF和SVM分类模型的RF准确率（95% CI）为0.73，SVM准确率（95% CI）为0.87，AUC分别为0.54和0.87。结论：这些发现增强了我们对两种非小细胞肺癌亚型可以区分的认识。实践意义：该研究表明放射组学分析提高了诊断的准确性，并提供了一种非侵入性的替代方法。然而，必须严格评估机器学习模型的auc和ROC曲线，以确保临床可接受性。如果这些模型足够强大，就可以减少对活组织检查的需求，并加强个性化的治疗计划。需要进一步的研究来验证这些发现并将放射组学整合到NSCLC的临床实践中。

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引用次数: 0

Supporting therapeutic radiographer research amidst growing pressures 在日益增长的压力下支持治疗放射技师的研究：“为什么推动放射技师参与研究开发如此具有挑战性？”

IF 2.8 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Radiography

Pub Date : 2025-12-01 DOI: 10.1016/j.radi.2025.103167

S. Fernandez, K. Cox, D. Fairweather

引用次数: 0