L Claus, X Zhang, L Ocasio, K Y K Chan, C Duran, E G Leme Calazans Odisio, A Dhoble, T A Macedo
{"title":"Comparative reliability of internal and vendor-derived computed tomography angiography (CTA) measurements in pretranscatheter aortic valve replacement (TAVR) assessment.","authors":"L Claus, X Zhang, L Ocasio, K Y K Chan, C Duran, E G Leme Calazans Odisio, A Dhoble, T A Macedo","doi":"10.1016/j.crad.2026.107312","DOIUrl":"https://doi.org/10.1016/j.crad.2026.107312","url":null,"abstract":"<p><strong>Aim: </strong>Computed tomography angiography (CTA) is essential for preprocedural assessment in transcatheter aortic valve replacement (TAVR), particularly as TAVR becomes the preferred treatment for high-risk patients with severe aortic stenosis. This study compares CTA measurements generated internally with those from an external third-party vendor, focussing on consistency and reliability.</p><p><strong>Materials and methods: </strong>We retrospectively analysed 56 patients who underwent standardised pre-TAVR cardiac CTA and CTA of the chest, abdomen, and pelvis. Twenty-five key parameters were measured including cardiac and iliofemoral arterial dimensions. Agreement between internal and external data was assessed using intraclass correlation coefficients (ICCs).</p><p><strong>Results: </strong>Among 13 cardiac CTA metrics, 10 metrics demonstrated excellent or good-to-excellent agreement (ICCs 0.91-0.98). Of the 12 iliofemoral metrics, 10 metrics demonstrated moderate-to-good agreement (ICCs 0.70-0.85).</p><p><strong>Conclusion: </strong>Cardiac measurements, often obtained at well-defined anatomical landmarks, demonstrated stronger agreement than iliofemoral measurements, which are more prone to variability due to complex vascular anatomy, calcifications, and operator-dependent site selection. Internally generated CTA measurements for TAVR planning show high reliability, especially for cardiac parameters. Although vascular access measurements showed lower agreement, differences were not clinically significant and did not alter patient management. These findings support the use of internal data processing as a safe and effective alternative to external analysis, with potential benefits in workflow efficiency and patient care.</p>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":" ","pages":"107312"},"PeriodicalIF":1.9,"publicationDate":"2026-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147863655","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}
Clinical radiologyPub Date : 2026-03-01Epub Date: 2025-11-24DOI: 10.1016/j.crad.2025.107183
Z. Zhu , L. Hou , Y. Zhao , L. Li , X. Zhao
{"title":"Distinguishing between hepatocellular adenoma and well-differentiated hepatocellular carcinoma using MRI and clinical feature-based nomogram model","authors":"Z. Zhu , L. Hou , Y. Zhao , L. Li , X. Zhao","doi":"10.1016/j.crad.2025.107183","DOIUrl":"10.1016/j.crad.2025.107183","url":null,"abstract":"<div><h3>Aim</h3><div>To assess MRI and clinical features for the differentiation of hepatocellular adenoma (HCA) and well-differentiated hepatocellular carcinoma (WDHCC).</div></div><div><h3>Materials and Methods</h3><div>Contrast-enhanced MRI images and clinical data of 144 pathologically confirmed HCA or WDHCC enrolled retrospectively from multiple centers between January 2015 and January 2024. Two readers reviewed images to identify imaging features and measure signal intensity on multiple phases images. The predictive model was established using binary Logistic regression, and the predictive ability was evaluated using the area under the curve (AUC), accuracy, sensitivity, and specificity by R software.</div></div><div><h3>Results</h3><div>Out of 144 eligible patients (35 HCAs, 109 WDHCCs), 23 in 37 indexes showed significant differences. Moreover, 10 parameters remained significant after the univariate regression analysis. To construct a highly accurate predictive model, the significant parameters were further subjected to a multivariate regression model. Six valuable factors (long axis, T1WI, T2WI/FS, capsule enhancement, septa, and cirrhosis) were selected to establish the diagnostic model. Then, a nomogram to discriminate HCA from WDHCC was built on the basis of a multivariate logistic regression model. The AUC of the MRI signal model, the clinical factors model, and the combined model in training sets and validation sets are 0.955, 0.929, 0.962, and 0.898, 0.835, 0.846, respectively. DCA and clinical impact curve was applied to assess the clinical utility of the diagnostic nomogram. Based on the DCA, the MRI signal showed superior clinical utility compared to the other models.</div></div><div><h3>Conclusion</h3><div>MRI signal-based model provides high diagnostic performance as demonstrated in the differentiation of HCA and WDHCC, supported by a nomogram model.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"94 ","pages":"Article 107183"},"PeriodicalIF":1.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146026043","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}
Clinical radiologyPub Date : 2026-03-01Epub Date: 2025-11-20DOI: 10.1016/j.crad.2025.107185
D. Velazquez-Pimentel , J. Pancholi , P. Jenkins , N. Cinti , M. Stephanou , D. Kotecha , A. White , S. Ashraf , O. Llewellyn , G. Vigneswaran , H. Shiwani , J. Zhong , Des Alcorn , D.J. Breen , P. Haslam , G. Hickson , O. Jaffer , P. Kennedy , P. Littler , P. Peddu , T.M. Wah
{"title":"IO1-UK: a cross-sectional study to re-evaluate the provision of interventional oncology services across the United Kingdom","authors":"D. Velazquez-Pimentel , J. Pancholi , P. Jenkins , N. Cinti , M. Stephanou , D. Kotecha , A. White , S. Ashraf , O. Llewellyn , G. Vigneswaran , H. Shiwani , J. Zhong , Des Alcorn , D.J. Breen , P. Haslam , G. Hickson , O. Jaffer , P. Kennedy , P. Littler , P. Peddu , T.M. Wah","doi":"10.1016/j.crad.2025.107185","DOIUrl":"10.1016/j.crad.2025.107185","url":null,"abstract":"<div><h3>Aim</h3><div>This study aims to survey the provision of Interventional Oncology (IO) services in the UK and compare the results to survey data collected in 2016.</div></div><div><h3>Materials and methods</h3><div>A cross-sectional multicentre study of the provision of IO services was conducted across all interventional radiology (IR) departments in the UK. Data were collected using an electronic survey tool and executed via the UNITE Collaborative. IO procedures were defined using the Royal College of Radiologists classification categories. For each IR department information regarding demographic details, current IO procedures, equipment, and relevant infrastructure was collected. Thereafter, responses were compared to survey data collected in 2016.</div></div><div><h3>Results</h3><div>A total of 169 hospital boards were invited to participate, 132 (78%) of which responded stating they had an IR department, while 29 (17%) responded stating they had no IR department and 8 (5%) provided no response.</div><div>Of the hospital boards with IR departments, 49% (n=65/132) provided both disease-modifying and supportive/symptomatic procedures and 51% (n=67/132) offered only supportive/symptomatic procedures. Compared to 2016, there was a modest increase in the provision of disease-modifying procedures with the largest growth seen in transarterial chemoembolisation (+9%), selective internal radiation therapy (+7%), and renal ablation (+8%).</div></div><div><h3>Conclusion</h3><div>Over the last 8 years, the provision of IO services across the UK has only marginally grown in both supportive and disease-modifying domains. This study highlights the urgent need to identify and address barriers preventing access to IO procedures to ensure the UK population can benefit from modern, evidence-based IO care.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"94 ","pages":"Article 107185"},"PeriodicalIF":1.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146008670","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}
Clinical radiologyPub Date : 2026-03-01Epub Date: 2025-12-26DOI: 10.1016/j.crad.2025.107220
K. ElGendy , S. Chawla , B. Rea , M.M. Kiandee , S. Haldar , C. Chew
{"title":"Embedding equity, diversity, and inclusion in radiology: insights from the 2024 British Society of Gastrointestinal and Abdominal Radiology (BSGAR) member survey and mentorship programme","authors":"K. ElGendy , S. Chawla , B. Rea , M.M. Kiandee , S. Haldar , C. Chew","doi":"10.1016/j.crad.2025.107220","DOIUrl":"10.1016/j.crad.2025.107220","url":null,"abstract":"","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"94 ","pages":"Article 107220"},"PeriodicalIF":1.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146075842","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}
Clinical radiologyPub Date : 2026-03-01Epub Date: 2026-01-10DOI: 10.1016/j.crad.2026.107253
O.C. Tracey, C. Zucker, J. Wisch, A. Adhiyaman, M. Collins, J. Denneen, D. Jaramillo, H. Potter, L. Ipp, J.H. Heyer
{"title":"Child life intervention successfully decreases anaesthesia requirements in young children undergoing outpatient orthopaedic magnetic resonance imaging (MRI): a retrospective cohort study","authors":"O.C. Tracey, C. Zucker, J. Wisch, A. Adhiyaman, M. Collins, J. Denneen, D. Jaramillo, H. Potter, L. Ipp, J.H. Heyer","doi":"10.1016/j.crad.2026.107253","DOIUrl":"10.1016/j.crad.2026.107253","url":null,"abstract":"<div><h3>AIM</h3><div>Magnetic resonance imaging (MRI) is the preferred imaging modality for soft-tissue and nonossified bone in paediatric orthopaedics; however, the confines, noise, and prolonged duration may prove challenging. Sedation can mitigate these issues but introduces potential risks of allergic reactions and impact on neurocognitive development. Studies have demonstrated reduced anxiety following Certified Child Life Specialists (CCLSs) intervention during paediatric MRIs. This study presents one institution's experience with CCLS intervention in children undergoing MRIs.</div></div><div><h3>MATERIALS AND METHODS</h3><div>This single-centre retrospective study reviewed patients from 2016-2024 children aged 4–12 who underwent outpatient orthopaedic MRI were included. CCLS intervention, diagnosis associated with MRI, MRI region, and use of sedation were recorded. Patients were stratified into the pre-CCLS cohort and post-CCLS cohort, based on the presence of CCLS at the institution. Descriptive statistics analysed frequency of sedation.</div></div><div><h3>RESULTS</h3><div>1931 patients (2300 scans) were included, with a mean age of 10.0 ± 2.1 years: 708 patients (817 scans) in the pre-CCLS intervention cohort and 1224 patients (1483 scans) in the post-CCLS intervention cohort (one patient was in both groups). Overall, 7/1931 (0.4%) of patients, (7/2300 scans, 0.3%) required IV sedation. 108/1224 patients (116/1483 scans) in the post-CCLS cohort received CCLS intervention; of these, 0/108 patients (0/116 scans) required IV sedation. Mean age was significantly lower in patients receiving CCLS intervention versus no intervention (7.0 ± 2.1 vs 10.0 ± 2.0 years, <em>P</em> < 0.001).</div></div><div><h3>CONCLUSION</h3><div>overall sedation rate for children undergoing MRI with CCLS was 0%. Our positive experience supports CCLS as a potential therapeutic intervention for younger children to undergo MRI.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"94 ","pages":"Article 107253"},"PeriodicalIF":1.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146124168","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}
Clinical radiologyPub Date : 2026-03-01Epub Date: 2026-01-07DOI: 10.1016/j.crad.2025.107224
A.K. Gupta , P.R. Kokiwar , A. Kavya , A. Dhyani
{"title":"Comment on “Natural history and clinical significance of postoperative pneumoperitoneum: a systematic review and meta-analysis”","authors":"A.K. Gupta , P.R. Kokiwar , A. Kavya , A. Dhyani","doi":"10.1016/j.crad.2025.107224","DOIUrl":"10.1016/j.crad.2025.107224","url":null,"abstract":"","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"94 ","pages":"Article 107224"},"PeriodicalIF":1.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146075906","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":"Validation of American College of Radiology Bone Reporting and Data System (ACR Bone-RADS) for risk stratification of bone tumuors on computed tomography","authors":"Z.A. Ramadan , F.A. Denewar , S.E. Taman , A.H. Elmorsy","doi":"10.1016/j.crad.2026.107249","DOIUrl":"10.1016/j.crad.2026.107249","url":null,"abstract":"<div><h3>AIM</h3><div>Neoplastic bone lesions show huge divergence. Accurate diagnosis is mandatory for optimal management. Computed tomography (CT) is of special importance in characterisation of bone tumuors, especially in complex anatomical areas and the axial skeleton. This study <strong>aimed</strong> to test the validity of applying American College of Radiology (ACR) Bone Reporting and Data System (Bone-RADS) in interpreting bony lesions on CT to gain evidence supporting its implementation as a standard in reporting and communication with orthopaedic surgeons.</div></div><div><h3>MATERIALS AND METHODS</h3><div>This retrospective study involved 336 patients (mean age; 30.3 ± 18.8, 190, 56.5% males) whose CT scans detected neoplastic bony lesions in the period from January 2021 to December 2024. Three radiologists independently reviewed CT exams and set Bone-RADS scores. Inter-reader agreement among the three readers was assessed, and validity of the results was tested.</div></div><div><h3>RESULTS</h3><div>There were 227 benign, 16 intermediate, and 93 malignant lesions. The overall inter-reader agreement among two musculoskeletal radiologists and one nonmusculoskeletal radiologist was substantial to perfect (k: 0.66 to 1). The diagnostic performance for identifying intermediate or malignant lesions varied among radiologists with sensitivities ranging from 96.8% to 100%, specificities from 62.9% to 92.7%, and accuracies from 74.3% to 94%.</div></div><div><h3>CONCLUSION</h3><div>The implementation of ACR Bone-RADS for CT imaging demonstrates robust reproducibility, high sensitivity, and accuracy in characterising bone lesions, thereby enhancing diagnostic confidence and informing clinical decision-making. These findings support the adoption of ACR Bone-RADS as a uniform reporting framework for bone lesions identified on radiographic and CT examinations.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"94 ","pages":"Article 107249"},"PeriodicalIF":1.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146131154","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}
Clinical radiologyPub Date : 2026-03-01Epub Date: 2025-10-30DOI: 10.1016/j.crad.2025.107149
L. Yin , J. Zhang , Y. Pang , Y. Mou , S. Sun , Q. Guo , S. Guo
{"title":"Predictive value of R2∗ values derived from blood oxygen level-dependent magnetic resonance imaging for lymph node metastasis after neoadjuvant chemotherapy for cervical squamous cell carcinoma","authors":"L. Yin , J. Zhang , Y. Pang , Y. Mou , S. Sun , Q. Guo , S. Guo","doi":"10.1016/j.crad.2025.107149","DOIUrl":"10.1016/j.crad.2025.107149","url":null,"abstract":"<div><h3>AIM</h3><div>The aim of this study was to investigate the predictive value of R2∗ values obtained from blood oxygen-level-dependent magnetic resonance imaging (BOLD–MRI) for lymph node metastasis (LNM) after neoadjuvant chemotherapy (NACT) in patients with stage IB–IIA cervical squamous cell carcinoma (CSCC).</div></div><div><h3>MATERIALS AND METHODS</h3><div>Patients diagnosed with CSCC and scheduled to undergo radical hysterectomy following NACT were prospectively recruited. Each patient underwent conventional MRI and BOLD–MRI within 1 week before NACT and again within 1 week before surgery.</div></div><div><h3>RESULTS</h3><div>In this study, 67 patients diagnosed with CSCC were recruited. Of the 67 evaluable women, 15 were finally classified as LNM-positive and 52 as LNM-negative. The evaluation based on the Response Evaluation Criteria in Solid Tumours version 1.1 performed within 1 week before surgery showed that none of the patients had progressive disease. No significant differences were observed between the LNM and non-LNM groups in basic clinical information (<em>P</em> > 0.05). Statistical differences were found between the patients who ultimately developed LNM (LNM group) and those who did not (non-LNM group), as well as in Federation of Gynaecology and Obstetrics staging, lymphovascular space invasion (LVSI) status, depth of stromal invasion, and NACT response (P < 0.05). In both groups, R2∗<sub>post-NACT</sub> values were higher than R2∗<sub>pre-NACT</sub> (<em>P =</em> 0.017 and <em>P <</em> 0.001), whereas TS<sub>post-NACT</sub> values were lower than TS<sub>pre-NACT</sub> values (<em>P <</em> 0.001). The LNM group had lower R2∗<sub>post-NACT</sub> values than the non-LNM group (<em>P <</em> 0.001).</div></div><div><h3>CONCLUSION</h3><div>The R2∗<sub>post-NACT</sub> value of the primary tumour derived from BOLD–MRI may serve as a valuable imaging biomarker for predicting post-NACT LNM in CSCC patients.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"94 ","pages":"Article 107149"},"PeriodicalIF":1.9,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146040647","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}