Journal of Medical Radiation Sciences最新文献

{"title":"Functional Imaging for Identification of Functionally Critical Brain Regions to Spare in Glioma Radiation Therapy Planning: A Systematic Review.","authors":"Li Wen Yeo, John T Ryan","doi":"10.1002/jmrs.70100","DOIUrl":"10.1002/jmrs.70100","url":null,"abstract":"<p><strong>Introduction: </strong>Beyond improving target delineation, functional imaging holds significant promise in identifying critical functional brain regions. It enables a more personalised approach to radiation therapy (RT) planning, where organs-at-risk can be spared more effectively, potentially preserving neurocognitive function and quality of life in patients with glioma. This systematic review aims to identify the role of functional imaging in preserving neurocognitive function in patients with glioma undergoing RT.</p><p><strong>Methods: </strong>A systematic review was conducted in December 2024 according to the Preferred Reporting Items for Systematic reviews and Meta-analyses (PRISMA) guidelines. Searches were performed in Scopus, MEDLINE and EMBASE using medical subject headings and keywords related to glioma, functional imaging, cognition and RT. Only English-language publications were included. The Critical Appraisal Skills Programme (CASP) checklist was used to assess the validity and applicability of the studies included in this systematic review.</p><p><strong>Results: </strong>Five studies published between 2019 and 2023 were included in the review. The studies included retrospective cohort studies (n = 2), a pilot study (n = 1), a cross-sectional study (n = 1) and a theoretical study (n = 1). Quality assessment using the CASP checklist indicated moderate methodological quality, with limitations including small sample sizes, predominantly retrospective designs and limited prospective validation of neurocognitive outcomes. Functional imaging was shown to reduce the dose to cognitive areas and potentially protect important cognitive functions.</p><p><strong>Conclusion: </strong>Functional imaging identifies critical cognitive regions in the brain and guides radiation dose to avoid these vulnerable regions while maintaining therapeutic efficacy. Integrating functional imaging into treatment planning allows for neuroprotective strategies in RT planning and potentially minimises the risk of cognitive impairment. This review sets the stage for future research to expand the benefit of functional imaging in glioma RT planning.</p>","PeriodicalId":16382,"journal":{"name":"Journal of Medical Radiation Sciences","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2026-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13398726/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148199324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of Ceiling Suspended Shield Size on Primary Operator Radiation Dose During Coronary Angiography and Intervention","authors":"James A. Crowhurst,&nbsp;Elizabeth Andersen,&nbsp;Michael Savage,&nbsp;Jason Tse,&nbsp;Dale Murdoch,&nbsp;Darren Walters,&nbsp;Rustem Dautov","doi":"10.1002/jmrs.70042","DOIUrl":"10.1002/jmrs.70042","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>Radiation protection for operators performing coronary angiography (CA) and percutaneous coronary intervention (PCI) is important, with the occupational risks being increasingly recognised. The ceiling-suspended lead acrylic shield is the most commonly used piece of radiation shielding equipment, with different models available. This study sought to measure the impact of shield size on operator dose (OD) in the clinical environment, with two readily available models.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Two identical cardiac catheterisation laboratories (cath labs) were used in this single centre study. Fluoroscopy time (FT) and kerma area product (KAP) measured procedural radiation exposure. Identical lower body shields were used in both rooms. The ceiling-suspended lead acrylic shield was different in each room, with one being 35% larger and also having lead rubber pleats along the lower edge. OD was measured with a real-time dosimeter (Raysafe i3) at the end of each procedure.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>FT and KAP were not significantly different between the two cath labs for 1021 CA and 441 PCI procedures respectively. OD for CA procedures was 9 μSv in cath lab 1 (large shield) and 12 μSv in cath lab 2 (standard shield) (<i>p</i> &lt; 0.001). For PCI procedures, the operator dose was 21 μSv in cath lab 1 (large shield) and 29 μSv in cath lab 2 (standard shield) (<i>p</i> &lt; 0.001).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>In this study, with identical cath labs, and similar procedural dose and fluoroscopy times, OD was up to 43% lower with a larger lead acrylic shield when compared to a standard lead acrylic shield.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16382,"journal":{"name":"Journal of Medical Radiation Sciences","volume":"73 2","pages":"150-155"},"PeriodicalIF":2.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jmrs.70042","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145708435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Reflect, Grow, Connect: A Pilot Study on the Potential Benefits of Facilitated Group Supervision for Radiation Therapists","authors":"Gay Dungey,&nbsp;Ryan Rodger,&nbsp;Lily Martin","doi":"10.1002/jmrs.70043","DOIUrl":"10.1002/jmrs.70043","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>Facilitated Group Supervision (FGS) involves a group of professionals meeting under the guidance of a supervisor to discuss workplace challenges and promote reflective practice. Previous supervision styles have been trialled for radiation therapists (RTs) in New Zealand with mostly successful results. This pilot study aimed to explore how RTs perceived FGS and compare this with their experiences of previous supervision models.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>This mixed-methods pilot study was conducted at the Wellington Blood and Cancer Centre with seven RTs. Participants met in two groups every four weeks for six months with an independent allied health-trained facilitator. Afterwards, they completed a QUALTRICS questionnaire, including the Clinical Supervision Evaluation Questionnaire, which is 14 Likert scale statements, assessing group process, purpose, and impact. Open-ended questions gathered qualitative data.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>All seven radiation therapists completed the questionnaire, with both qualitative and quantitative results indicating highly positive feedback regarding FGS. Thematic analysis of the qualitative data revealed that participants developed valuable insights and coping strategies, felt the FGS environment enhanced safety and reflection, and found that discussing shared experiences reduced stress. The RTs also preferred FGS to their previous experiences of supervision.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>The findings showed a positive perception of FGS among all participating RTs, especially experienced RTs who benefitted from the structure and process. Participants reported gaining valuable insights from both the facilitator and peers, which enhanced their skills and helped address clinical challenges. All participants expressed interest in continuing with FGS, agreed that FGS could benefit all RT professionals, and identified it as their preferred method of supervision.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16382,"journal":{"name":"Journal of Medical Radiation Sciences","volume":"73 2","pages":"181-188"},"PeriodicalIF":2.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jmrs.70043","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145768284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of Low-Iodine Concentration Quantification Accuracy and Contrast-To-Noise Ratio Across Three Dual-Energy CT Techniques: A Phantom Study","authors":"Chonsitron Sirituenlee,&nbsp;Sirapasson Kraison,&nbsp;Paweena Wongpan,&nbsp;Pawitiya Supawarapong,&nbsp;Teeraphat Pataraphitakpong,&nbsp;Supannika Kawvised,&nbsp;Samrit Kittipayak,&nbsp;Monchai Phonlakrai","doi":"10.1002/jmrs.70070","DOIUrl":"10.1002/jmrs.70070","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>Dual-energy computed tomography (DECT) enables improved tissue characterisation and the potential to reduce contrast media dose, yet clinical practice often still uses contrast volumes comparable to single-energy CT. This study evaluates the accuracy of low-concentration iodine quantification and image quality across three DECT techniques, with specific objectives to identify the lowest reliably measurable iodine concentration and to compare normalised contrast-to-noise ratios (CNR_norm) using a clinical abdominal CT protocol.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>A Multi-Energy CT Quality Assurance Phantom (CIRS Model 662) filled with iodinated contrast (Iopamiro 370 mgI/mL) at concentrations of 0.025–10 mgI/mL was scanned three times using the clinical abdominal imaging protocol at the study site, without parameter adjustment. Iodine maps and virtual monoenergetic images (VMI) were analyzed using regions of interest to evaluate iodine measurement accuracy for limit of detection (LOD) and limit of quantification (LOQ) and normalised CNR across the DECT techniques.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>For VMI at 40 keV, all DECT techniques demonstrated high iodine measurement accuracy (<i>R</i>² &gt; 0.99). The LODs for rapid kV-switching, dual-layer detector, and dual-source DECT were 0.205, 0.436 and 0.411 mg/mL, respectively. Corresponding LOQs were 0.621, 1.321 and 1.246 mg/mL. The rapid kV-switching system consistently achieved the lowest LOD and LOQ, while the dual-layer detector yielded the highest CNR_norm, followed by dual-source DECT and rapid kV-switching.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>All DECT techniques accurately quantified iodine on iodine maps. Rapid kV-switching provided the lowest LOD and LOQ, whereas the dual-layer detector offered superior image quality in terms of CNR_norm derived from VMI at 40 keV in CT abdominal protocol setting.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16382,"journal":{"name":"Journal of Medical Radiation Sciences","volume":"73 2","pages":"224-232"},"PeriodicalIF":2.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jmrs.70070","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147271088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Continuing Professional Development — Medical Imaging","authors":"","doi":"10.1002/jmrs.70058","DOIUrl":"10.1002/jmrs.70058","url":null,"abstract":"<p>Maximise your continuing professional development (CPD) by reading the selected article and answering the five questions. Please remember to self-claim your CPD and retain your supporting evidence. Answers will be available via the QR code and published in JMRS—Volume 73, Issue 4, December 2026.</p>","PeriodicalId":16382,"journal":{"name":"Journal of Medical Radiation Sciences","volume":"73 2","pages":"233-234"},"PeriodicalIF":2.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jmrs.70058","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147307011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Experiences of Diagnostic Radiography Students With Workplace-Based and Online Learning During the COVID-19 Pandemic: A Study Across Four Higher Education Institutions in South Africa","authors":"Siyabonga Goodwill Hadebe,&nbsp;Amina Hajat,&nbsp;Lynne Janette Hazell","doi":"10.1002/jmrs.70031","DOIUrl":"10.1002/jmrs.70031","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>The COVID-19 pandemic caught the world by surprise, causing unprecedented disruptions. The training of diagnostic radiography students was particularly affected due to lockdowns and strict regulations. This study aimed to explore and describe diagnostic radiography students' workplace-based and online learning experiences during the COVID-19 pandemic in South Africa.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Using an online open-ended questionnaire, the data were collected from 48 fourth-year diagnostic radiography students in 2023 from the four participating Higher Education Institutions (HEIs) in South Africa. Participants were selected through purposive sampling. Thematic analysis, supported by Atlas.Ti analysis software, was employed to analyse the data.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Four key themes were revealed: Theme 1: Clinical placement experiences during COVID-19. Theme 2: Participants' personal protective equipment (PPE) experiences during COVID-19. Theme 3: Participants' experiences of inclusive learning enablers. Theme 4: Impact of COVID-19 lockdowns on learning experiences.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <p>Diagnostic radiography students in South Africa faced significant challenges during clinical placements and online learning during the COVID-19 pandemic, including fear, stress, fatigue and emotional exhaustion due to increased workloads. Online learning offered convenience but came with difficulties adapting to new methods and accessing materials, alongside technical issues.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>The findings highlight diverse experiences among diagnostic radiography students during the pandemic. This research will inform practical recommendations to improve student support during crises, helping them better navigate future similar situations.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16382,"journal":{"name":"Journal of Medical Radiation Sciences","volume":"73 2","pages":"164-173"},"PeriodicalIF":2.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jmrs.70031","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145345692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An Analysis of Radiographers' False Preliminary Image Evaluation Comments in One New Zealand District","authors":"Kim Lewis,&nbsp;Sibusiso Mdletshe,&nbsp;Andrea Doubleday,&nbsp;Tracey Pieterse","doi":"10.1002/jmrs.70054","DOIUrl":"10.1002/jmrs.70054","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>Preliminary image evaluation (PIE) is an abnormality detection system that enables radiographers to assist emergency department (ED) clinicians in their treatment decisions by minimising radiographic interpretation errors. For a PIE to be successful, radiographers need to provide accurate comments on images. Given the limited number of studies that evaluate radiographers' false PIE comments, the aim of this study was to determine common false negative (FN) and false positive (FP) comments in one district in New Zealand (NZ).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Six months of PIE comments performed in the Taranaki district in NZ were collected and scored into four categories: true positive, true negative, FP or FN. The FN and FP comments were then evaluated to determine common errors and compared with international research.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>A total of 844 PIE comments were collected, with 21 (2.5%) scored as FN, and 27 (3.2%) scored as FP. The common FN themes included subtle or avulsion fractures, predominantly in fingers, hands, and wrists. The common FP themes were normal variants in the foot and ankle that were mistaken for fractures.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Several recommendations are made from this study to help improve radiographer PIE accuracy. These include the addition of an unsure or equivocal category when scoring PIE comments to account for PIE comments with ambiguous language. Other recommendations include ongoing targeted training of common errors and a higher resolution monitor (generally used for image reporting by radiologists) for radiographers when performing PIE.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16382,"journal":{"name":"Journal of Medical Radiation Sciences","volume":"73 2","pages":"189-195"},"PeriodicalIF":2.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jmrs.70054","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145857021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Stabilised Hyaluronic Acid Gel Rectal Spacers in MRI-Guided Brachytherapy for Gynaecological Cancers: A Prospective Feasibility Study","authors":"Carminia Lapuz,&nbsp;Sylvia Hanna,&nbsp;Eddie Lau,&nbsp;Adeline Lim,&nbsp;Mark Tacey,&nbsp;Daryl Lim Joon,&nbsp;Claire Dempsey,&nbsp;Jenny Sim,&nbsp;Michael Chao","doi":"10.1002/jmrs.70048","DOIUrl":"10.1002/jmrs.70048","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>To evaluate insertion feasibility of a stabilised hyaluronic acid (sHA) gel rectal spacer in gynaecological cancer high dose rate brachytherapy (GynBT).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>This single institution prospective study included patients with gynaecological cancers receiving magnetic resonance imaging (MRI)-guided GynBT. Feasibility was assessed by technical success, clinician user experience, spacer visibility on MRI and spacer stability over the GynBT course.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Twelve patients were included in this study. Insertion of sHA gel into the rectovaginal space was achieved in all 12 patients without spacer-related complications. Clinicians reported sHA gel as easy to use, with high visibility on TRUS (rated 4–5) and excellent visibility on MRI. Target-to-rectum distance increased with sHA spacer insertion (mean 7.82 mm, 95% CI: 5.27–10.36, <i>p</i> &lt; 0.001). During GynBT, there was a reduction in sHA gel spacer volume (mean 1.75 cc, 95% CI: 0.57–2.93, <i>p</i> = 0.007) and craniocaudal distance (mean −3.87 mm, 95% CI: −7.37 to −0.36, <i>p</i> = 0.034). However, there were no significant changes in target-to-rectum distance (<i>p</i> = 0.490) and spacer level measurements (<i>p</i> &gt; 0.2).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Insertion of sHA gel rectal spacer is technically feasible and safe in GynBT, increasing the separation between the target and rectum. The sHA gel spacer is easy to use, highly visible on both TRUS and MRI, and stable during the entire GynBT course. Further studies are required to ascertain patient suitability, dosimetric comparison, patient-reported outcomes, toxicities, and optimal technique.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Trial Registration</h3>\u0000 \u0000 <p>The study was registered with the Australian New Zealand Clinical Trials Registry (ACTRN12625000167460)</p>\u0000 </section>\u0000 </div>","PeriodicalId":16382,"journal":{"name":"Journal of Medical Radiation Sciences","volume":"73 2","pages":"196-204"},"PeriodicalIF":2.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jmrs.70048","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145984853","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Patient Dose Optimisation of Abdominopelvic Protocols During X-Ray Imaging","authors":"Emmanuel Ekem-Ferguson,&nbsp;Shirazu Issahaku,&nbsp;Mark Pokoo-Aikins,&nbsp;Mary Boadu","doi":"10.1002/jmrs.70024","DOIUrl":"10.1002/jmrs.70024","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>Abdominopelvic radiography is commonly performed in both supine and erect positions, raising concerns about radiation dose exposure. In Ghana, there is limited data on organ dose evaluation in these examinations, particularly regarding patient positioning for dose optimisation. Additionally, the risk of dose creep in Digital Radiography (DR) due to its wide dynamic range further complicates dose management. This study aimed to estimate organ doses for patients undergoing abdominopelvic radiography in both positions and to develop an optimisation strategy that minimises radiation exposure while maintaining image quality.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Organ doses were estimated using CalDose X 5.0 for 112 patients across two facilities in both erect and supine positions. Image quality was assessed using signal-to-noise ratio (SNR) values for five specific organs, with the kidney, the liver, and the prostate selected for dose and image quality optimisation. Additionally, 34 exposures were performed on an anthropomorphic phantom using varying exposure parameters and focus-to-detector distances (FDD), with thermoluminescence dosimeters (TLDs) employed for dose optimisation measurement.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>An average of 39.9% and 52.9% of radiographs had optimal and high SNR values respectively. After the optimisation procedure, the recommended exposure parameters were 70 kVp, 10 mAs, and 110 cm FDD for both positions. In the supine position, organ doses reduced with a percentage difference of 50.0, 65.22 and 19.21, and 23.03, 28.97 and 30.98 for SNR for the kidney, the liver and the prostate respectively. In the erect position, organ doses reduced with a percentage difference of 72.34, 72 and 4.55, and SNR percentage difference of 10.69, 9.39 and 32.83 for the kidney, the liver and the prostate respectively.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Abdominopelvic organ doses vary based on patient demographics and exposure settings. The optimisation strategy significantly reduced radiation doses while preserving image quality. These findings emphasise the importance of standardised imaging protocols to enhance patient safety and radiation protection in clinical practice.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16382,"journal":{"name":"Journal of Medical Radiation Sciences","volume":"73 2","pages":"156-163"},"PeriodicalIF":2.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jmrs.70024","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145080796","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"When Learning Gets Expensive: Exploring Placement Poverty in Medical Radiation Science (MRS) Students","authors":"Min Ku,&nbsp;Stephen Lacey","doi":"10.1002/jmrs.70085","DOIUrl":"10.1002/jmrs.70085","url":null,"abstract":"<p>ASMIRT recognises the urgent need to ensure that financial and logistical barriers faced by students are minimised. Priorities include equitable funding and paid placements, strengthened clinical training, and targeted measures to support workforce wellbeing and retention to secure a sustainable and capable medical radiation workforce.\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":16382,"journal":{"name":"Journal of Medical Radiation Sciences","volume":"73 2","pages":"131-134"},"PeriodicalIF":2.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jmrs.70085","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147530005","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}