Physica Medica-European Journal of Medical Physics最新文献

{"title":"Dosimetric effect of vacuum bag immobilisation on SABR treatments","authors":"Morgan Healy, Michael Roche","doi":"10.1016/j.ejmp.2025.105164","DOIUrl":"10.1016/j.ejmp.2025.105164","url":null,"abstract":"","PeriodicalId":56092,"journal":{"name":"Physica Medica-European Journal of Medical Physics","volume":"138 ","pages":"Article 105164"},"PeriodicalIF":2.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145362173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The impact of quenching on MRI systems: causes, downtime, and operational outcomes","authors":"Emer Kenny , Eamon Loughman , Siobhan Killeen , Susan Maguire , Paddy Gilligan","doi":"10.1016/j.ejmp.2025.105145","DOIUrl":"10.1016/j.ejmp.2025.105145","url":null,"abstract":"","PeriodicalId":56092,"journal":{"name":"Physica Medica-European Journal of Medical Physics","volume":"138 ","pages":"Article 105145"},"PeriodicalIF":2.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145362305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Establishing the reliability of deviation index as an optimisation tool in general radiology","authors":"Ciara Hutchinson, Ronan Faulkner, Thomas Heary","doi":"10.1016/j.ejmp.2025.105106","DOIUrl":"10.1016/j.ejmp.2025.105106","url":null,"abstract":"","PeriodicalId":56092,"journal":{"name":"Physica Medica-European Journal of Medical Physics","volume":"138 ","pages":"Article 105106"},"PeriodicalIF":2.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145362372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Scorim – Development of a novel online visualisation platform for facilitating image perception studies","authors":"Ronan Coleman , Rachel Toomey , Seán Cournane","doi":"10.1016/j.ejmp.2025.105129","DOIUrl":"10.1016/j.ejmp.2025.105129","url":null,"abstract":"","PeriodicalId":56092,"journal":{"name":"Physica Medica-European Journal of Medical Physics","volume":"138 ","pages":"Article 105129"},"PeriodicalIF":2.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145362422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Common and higher risk findings arising from laser safety audits of class 3B and class 4 medical lasers in hospitals","authors":"Caroline Banahan , Aoife Ivory , Susan Maguire , Eamon Loughman","doi":"10.1016/j.ejmp.2025.105152","DOIUrl":"10.1016/j.ejmp.2025.105152","url":null,"abstract":"","PeriodicalId":56092,"journal":{"name":"Physica Medica-European Journal of Medical Physics","volume":"138 ","pages":"Article 105152"},"PeriodicalIF":2.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145362961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of MR-driven versus MR-free PET/CT spatial normalization approaches for quantification of regional uptake in Dementia","authors":"Francesco Grassi ,&nbsp;Mario Verdicchio ,&nbsp;Carlo Cavaliere ,&nbsp;Vincenzo Alfano ,&nbsp;Marco Cerrone ,&nbsp;Angelica Di Cecca ,&nbsp;Elena Salvatore ,&nbsp;Emanuele Nicolai ,&nbsp;Marco Salvatore ,&nbsp;Sabina Pappatà ,&nbsp;Marco Aiello","doi":"10.1016/j.ejmp.2025.105182","DOIUrl":"10.1016/j.ejmp.2025.105182","url":null,"abstract":"<div><h3>Background:</h3><div>Spatial normalization is a critical preprocessing step in PET imaging. While MR-driven normalization represents the gold standard, MR-free approaches offer an alternative that may enhance accessibility.</div></div><div><h3>Purpose:</h3><div>This study aims to evaluate the performance of MR-free normalization compared to MR-driven normalization across three PET modalities (18F-FDG, early-phase amyloid, and late amyloid PET), examinating regional agreement.</div></div><div><h3>Methods:</h3><div>56 patients with dementia performing MR and the three PET modalities were retrospectively enrolled in the study. Three different spatial normalization methods were performed: MR-driven and two MR-free (<span><math><msup><mrow></mrow><mrow><mn>15</mn></mrow></msup></math></span>O-H<span><math><msub><mrow></mrow><mrow><mn>2</mn></mrow></msub></math></span>O template and site-specific PET template). The agreement among different methods was pair-wise compared using intraclass correlation coefficients (ICCs).</div></div><div><h3>Results:</h3><div>MR-free normalization showed strong agreement with MR-driven methods for FDG and early amyloid PET, with ICCs <span><math><mo>&gt;</mo></math></span> 0.99 in cortical regions. The spatial normalization with early-phase amyloid site-specific template had a median ICC of 0.927, confirming its agreement with MR-driven approach. The performance was slightly lower with late amyloid-derived templates (ICC = 0.822) compared to the <span><math><msup><mrow></mrow><mrow><mn>15</mn></mrow></msup></math></span>O-H<span><math><msub><mrow></mrow><mrow><mn>2</mn></mrow></msub></math></span>O template. The worst reproducibility was observed in cerebellar and thalamic sub-regions, though aggregating sub-ROIs in parent regions brought to strong ICCs (<span><math><mo>&gt;</mo></math></span> 0.920).</div></div><div><h3>Conclusion:</h3><div>MR-free normalization is a viable alternative to MR-driven approaches, particularly for FDG and early amyloid PET. In addition, the results confirm the similarity of early amyloid and FDG tracers distributions.</div></div>","PeriodicalId":56092,"journal":{"name":"Physica Medica-European Journal of Medical Physics","volume":"138 ","pages":"Article 105182"},"PeriodicalIF":2.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145220471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessing positional and dosimetric performance of a Elekta Versa HD linac in clinical VMAT techniques","authors":"Paul Collins,&nbsp;Sthuthi Dutt,&nbsp;Michael Moran,&nbsp;Darren Coen","doi":"10.1016/j.ejmp.2025.105167","DOIUrl":"10.1016/j.ejmp.2025.105167","url":null,"abstract":"","PeriodicalId":56092,"journal":{"name":"Physica Medica-European Journal of Medical Physics","volume":"138 ","pages":"Article 105167"},"PeriodicalIF":2.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145358496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Development and implementation of VMAT planning for left sided breast cancer treatment with IMN and SCLAV nodes","authors":"Mark Tutty","doi":"10.1016/j.ejmp.2025.105169","DOIUrl":"10.1016/j.ejmp.2025.105169","url":null,"abstract":"","PeriodicalId":56092,"journal":{"name":"Physica Medica-European Journal of Medical Physics","volume":"138 ","pages":"Article 105169"},"PeriodicalIF":2.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145358498","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation and implementation of EPID transit dosimetry system","authors":"Brendan Gordon","doi":"10.1016/j.ejmp.2025.105161","DOIUrl":"10.1016/j.ejmp.2025.105161","url":null,"abstract":"","PeriodicalId":56092,"journal":{"name":"Physica Medica-European Journal of Medical Physics","volume":"138 ","pages":"Article 105161"},"PeriodicalIF":2.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145362170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"MRI of patients with DBS implants: Insights into low RF protocol development for MR condition adherence","authors":"Jessica Fitzpatrick,&nbsp;Michael O’Neill,&nbsp;Aisling O’Driscoll,&nbsp;Seamus Looby,&nbsp;Alan Stone","doi":"10.1016/j.ejmp.2025.105144","DOIUrl":"10.1016/j.ejmp.2025.105144","url":null,"abstract":"","PeriodicalId":56092,"journal":{"name":"Physica Medica-European Journal of Medical Physics","volume":"138 ","pages":"Article 105144"},"PeriodicalIF":2.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145362304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}