Acta radiologica最新文献

{"title":"Some common statistical methods for assessing rater agreement in radiological studies.","authors":"Mats Geijer, Magnus Båth, Catrin Wessman","doi":"10.1177/02841851251319666","DOIUrl":"https://doi.org/10.1177/02841851251319666","url":null,"abstract":"<p><p>Rater agreement is commonly assessed in radiologic studies concerning image quality. There are several methods of measuring rater agreement. To choose the appropriate method, the researcher needs to consider the scale of the outcome variable and the design of the study. This article provides a brief overview of available methods, focusing on the most practical and commonly used, including intraclass correlation, the Svensson method, variants of the kappa statistic, the agreement coefficient by Gwet (AC1/AC2), and Krippendorff's alpha. Additional methods that are not primarily intended for rater agreement analysis but are applied in some cases are also discussed.</p>","PeriodicalId":7143,"journal":{"name":"Acta radiologica","volume":" ","pages":"2841851251319666"},"PeriodicalIF":1.1,"publicationDate":"2025-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143482018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Percutaneous cryoablation of renal tumors adjacent to critical structures: impact of adjacent organ type on local tumor control.","authors":"Mizuki Ozawa, Miyuki Sone, Shunsuke Sugawara, Chihiro Itou, Shintaro Kimura, Masahiko Kusumoto, Yoshiyuki Matsui","doi":"10.1177/02841851241310408","DOIUrl":"https://doi.org/10.1177/02841851241310408","url":null,"abstract":"<p><strong>Background: </strong>Renal cell carcinomas (RCCs) adjacent to critical structures can be safely treated using percutaneous cryoablation with adjunctive techniques. However, there are only a few reports describing the factors affecting local tumor control after percutaneous cryoablation for such RCCs.</p><p><strong>Purpose: </strong>To evaluate the factors affecting local tumor control in the percutaneous cryoablation of RCCs adjacent to critical structures.</p><p><strong>Material and methods: </strong>A total of 403 tumors from 328 patients were retrospectively reviewed. Patients with histologically proven RCCs adjacent to critical structures with at least 1 year of follow-up after treatment were included. Hereditary RCCs were excluded. Of the 403 tumors, 40 met the criteria. Owing to the tumor location, all procedures were performed using adjunctive techniques. Baseline, perioperative, and follow-up data were collected and factors affecting local tumor progression were evaluated. Comparisons between groups with and without local tumor progression were performed using Fisher's exact test or Wilcoxon's rank sum test.</p><p><strong>Results: </strong>The median follow-up was 1289.5 days. Local tumor progression was observed in 7/40 (17.5%) patients. Univariate analysis revealed that significant factors affecting local tumor progression were situated adjacent to the ureter (<i>P</i> = 0.005), requiring adjunctive techniques other than hydro- and/or pneumo-dissection (<i>P</i> = 0.005), as well as the distance between tumors and critical structures (<i>P</i> = 0.04). The ice-ball margin tended to be smaller in the group with local tumor progression but this was not significant (<i>P</i> = 0.07).</p><p><strong>Conclusion: </strong>Renal tumors adjacent to the ureter may result in local tumor progression after cryoablation compared with tumors adjacent to other organs.</p>","PeriodicalId":7143,"journal":{"name":"Acta radiologica","volume":" ","pages":"2841851241310408"},"PeriodicalIF":1.1,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143466664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Initial experience of magnification tomosynthesis in depiction of suspected microcalcifications: prospective reading study of a novel reconstruction algorithm prototype.","authors":"Kirill Arlan, Tuomo J Meretoja, Katja Hukkinen","doi":"10.1177/02841851251317633","DOIUrl":"https://doi.org/10.1177/02841851251317633","url":null,"abstract":"<p><strong>Background: </strong>Digital breast tomosynthesis (DBT) has several limitations with respect to microcalcification depiction. The quality of DBT images may be improved by modifying technical parameters; however, the amount of raw data and postprocessing computational time is unacceptably huge. Therefore, once detected it still seems necessary to take additional spot images to characterize microcalcifications. Additional imaging increases cumulative dose. Radiation risks and protection are raising issues nowadays.</p><p><strong>Purpose: </strong>To compare image quality of magnification tomosynthesis (t-spot) and synthetic spot magnification (s-spot) to conventional spot images in characterization of microcalcifications.</p><p><strong>Material and methods: </strong>This prospective single institute reading study includes 45 patients with suspected microcalcifications initially found on mammography and referred to vacuum-assisted biopsy. Conventional spot and DBT were performed. Acquired DBT data were used to reconstruct t- and s-spots. All images were reviewed by four breast radiologists in two sessions. The morphology (BI-RADS) and extent of microcalcifications were recorded. Clinical performance was evaluated using area under the receiver operating characteristic curves (AUC) for BI-RADS and Bland-Altman plots for the maximum extent of microcalcifications.</p><p><strong>Results: </strong>All four readers preferred t-spot to s-spot. The overall AUC for t-spot was 0.67 and for spot 0.69 with a difference lower than a non-inferiority margin (delta = 0.012, 95% confidence interval [CI] = -0.067-0.09, <i>P</i> = 0.772). Three readers underestimate the extent of microcalcifications on t-spots for both benign and malignant cases (<i>P</i> < 0.05). The discordance becomes more evident with the increasing extent of the lesion.</p><p><strong>Conclusion: </strong>The performance of conventional and reconstructed spots was similar but reader-dependent and inconclusive.</p>","PeriodicalId":7143,"journal":{"name":"Acta radiologica","volume":" ","pages":"2841851251317633"},"PeriodicalIF":1.1,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143447717","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessing the aggressiveness of prostate cancer using ADC and relaxation maps from synthetic MRI.","authors":"Sabri Sirolu, Mustafa Ege Seker, Deniz Alis, Batuhan Guroz, Cavit Kerem Kayhan, Fatma Tokat, Omer Burak Argun, Ilkay Oksuz, Ercan Karaarslan","doi":"10.1177/02841851251315717","DOIUrl":"https://doi.org/10.1177/02841851251315717","url":null,"abstract":"<p><strong>Background: </strong>Emerging evidence suggests multiparametric prostate MRI's role in evaluating prostate cancer (PCa) aggressiveness.</p><p><strong>Purpose: </strong>To evaluate the utility of quantitative sequences in prostate MRI for assessing peripheral zone PCa aggressiveness, focusing on added value of relaxation maps to ADC.</p><p><strong>Material and methods: </strong>In total, 64 men undergoing preoperative bi-parametric prostate MRI with synthetic sequences were retrospectively enrolled. Radiologists delineated lesions on ADC maps and synthetic MRI, matched with digitized whole-mount specimens. PCa was graded as low, intermediate, or high based on Gleason grade. Statistical analyses assessed differences in T1, T2, PD, and ADC values across grades. For significant variables, AUC curves were generated. A logistic regression model evaluated the added diagnostic value of relaxation maps to ADC.</p><p><strong>Results: </strong>Of the 95 PCa foci, 11 were low-grade, 45 intermediate-grade, and 39 high-grade. T1 (<i>P</i> = 0.4) and PD (<i>P</i> = 0.3) showed no significant differences, while T2 and ADC differed significantly (<i>P</i> < 0.001). Median T2 values were 98 ms (low-grade), 81 ms (intermediate), and 73 ms (high-grade), and median ADC values were 1006 mm²/s, 836 mm²/s, and 721 mm²/s, respectively. ADC yielded AUCs of 0.888 (95% CI=0.794-0.963; <i>P</i> < 0.0001) for low- versus intermediate-to-high-grade PCa, and 0.825 (95% CI=0.724-0.901; <i>P</i> < 0.0001) for low-to-intermediate versus high-grade. T2 AUCs were 0.770 (95% CI=0.605-0.908; <i>P</i> = 0.021) and 0.755 (95% CI=0.648-0.864; <i>P</i> = 0.0051), respectively. A logistic regression model combining T2 and ADC showed no significant improvement over ADC alone in differentiating low- versus intermediate-to-high-grade and low-to-intermediate versus high-grade PCa (<i>P</i> > 0.05).</p><p><strong>Conclusion: </strong>T1 and PD maps from synthetic MRI showed limited utility in grading PCa. Although T2 values were effective, ADC values were superior in assessing PCa aggressiveness. The addition of T2 to ADC did not significantly improve diagnostic performance.</p>","PeriodicalId":7143,"journal":{"name":"Acta radiologica","volume":" ","pages":"2841851251315717"},"PeriodicalIF":1.1,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143447739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bi-parametric MRI radiomic model for prostate cancer diagnosis: value of intralesional and perilesional radiomics.","authors":"Yida Li, Xin Zhou, Xinyuan Zhang, Mengmeng Zhang, Shengjian Sun, Xue Gai, Guohua Li","doi":"10.1177/02841851251317646","DOIUrl":"https://doi.org/10.1177/02841851251317646","url":null,"abstract":"<p><strong>Background: </strong>Prostate cancer (PCa) is the most common malignant tumor that endangers the life and health of middle-aged and elderly men.</p><p><strong>Purpose: </strong>To evaluate the significance of radiomic features from intralesional and perilesional regions in bi-parametric magnetic resonance imaging (MRI) for diagnosing PCa.</p><p><strong>Material and methods: </strong>A total of 211 patients with suspected PCa who accepted prostate MRI scans were enrolled in this study. The region of interest (ROI) corresponding to the original lesion was manually delineated to define the intralesional ROI on bp-MRI maps. The original lesion ROI was then expanded by 2 mm, 4 mm, 6 mm, and 8 mm, while excluding the intralesional area to create the perilesional ROI. Features were extracted from each ROI, and a radiomics model was developed using logistic regression. The combined model integrated features from both intralesional and perilesional regions. Its predictive performance was assessed using receiver operating characteristic (ROC) curves and area under the curve (AUC) to evaluate its diagnostic efficacy for PCa.</p><p><strong>Results: </strong>The comparison revealed that perilesional 4 mm model had the best performance among all perilesional models, its AUCs of 0.934 and 0.894 in the training testing set, respectively, outperformed the combined model of other regions. The clinical model, combined model for intralesional regions, and INTRAPERI model achieved AUCs of 0.911, 0.925, 0.931 in the training sets and 0.770, 0.867, 0.905 in the testing sets. The predictive performance of the INTRAPERI model is better than the clinical model and intralesional model.</p><p><strong>Conclusion: </strong>The radiomic model combining intralesional and perilesional features from bi-parametric MRI shows strong predictive value for PCa and may enhance clinical decision-making.</p>","PeriodicalId":7143,"journal":{"name":"Acta radiologica","volume":" ","pages":"2841851251317646"},"PeriodicalIF":1.1,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143447741","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"CT-based radiomics predictive model for spread through air space of IA stage lung adenocarcinoma.","authors":"Song Chen, Xiang Wang, Xu Lin, Qingchu Li, Shaochun Xu, Hongbiao Sun, Yi Xiao, Li Fan, Shiyuan Liu","doi":"10.1177/02841851241305737","DOIUrl":"https://doi.org/10.1177/02841851241305737","url":null,"abstract":"<p><strong>Background: </strong>Spread through air spaces (STAS) in lung adenocarcinoma means different treatment and worse prognosis.</p><p><strong>Purpose: </strong>To construct a radiomics model based on CT scans to predict the presence of STAS in stage IA lung adenocarcinoma, compared with the traditional clinical model.</p><p><strong>Material and methods: </strong>The study included 317 patients (median age = 57.21 years; age range = 45.84-68.61 years) with pathologically confirmed stage IA lung adenocarcinoma. In total, 122 (38.5%) patients were diagnosed with STAS by pathology after the operation. Two experienced radiologists independently segmented the lesions using MITK software and extracted 1791 radiomics features using Python. Single-factor <i>t</i>-test or Mann-Whitney U-test and LASSO were used to screen for radiomics signatures related to STAS. This study constructed a radiomics model, a clinical model, and a combined model, combining radiomics and clinical features. Model performance was evaluated using the area under the curve (AUC).</p><p><strong>Results: </strong>By single-factor analysis, four clinical features and 13 radiomics features were significantly associated with STAS. The three models (the clinical, radiomics, and combine models) achieved predictive efficacy, with an AUC of 0.849, 0.867, and 0.939, respectively, in the training set and 0.808, 0.848, and 0.876, respectively, in the testing set.</p><p><strong>Conclusion: </strong>The combined model based on the radiomics and clinical features of preoperative chest CT could be used to preoperatively diagnose the presence of STAS in stage IA lung adenocarcinoma and has an excellent diagnostic performance.</p>","PeriodicalId":7143,"journal":{"name":"Acta radiologica","volume":" ","pages":"2841851241305737"},"PeriodicalIF":1.1,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143447763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"CT radiomics for evaluation of intervertebral disc change in the scoliosis.","authors":"Yuqi Fang, Yun He","doi":"10.1177/02841851251319483","DOIUrl":"https://doi.org/10.1177/02841851251319483","url":null,"abstract":"<p><strong>Background: </strong>Advanced methods are still lacking for the computed tomography (CT) evaluation of early degenerative changes of intervertebral disc in scoliosis.</p><p><strong>Purpose: </strong>To investigate the feasibility of CT radiomics in evaluating early disc degeneration changes in scoliosis.</p><p><strong>Material and methods: </strong>A total of 60 patients with severe scoliosis were assessed with the method of CT radiomics. CT radiomics features of the intervertebral disc were obtained by using the software of 3D Slicer and were then compared between vertex disc (VD) and normal disc (ND). The analysis of maximum correlation minimum redundancy (mRMR) and the least absolute shrinkage and selection operator (LASSO) regression method was used to establish a model. The receiver operating characteristic (ROC) curve was used to determine the performance of the model.</p><p><strong>Results: </strong>ND and VD differed in 23 radiomics features (<i>P</i> < 0.05). By using mRMR and LASSO methods, five features were finally selected to establish a model. The AUC of the model in the identification of VD were 0.93 and 0.90 for the training cohort and validation cohort, respectively. The sensitivity and specificity of the model were 90% and 85%, respectively.</p><p><strong>Conclusion: </strong>CT radiomics of the intervertebral disc is feasible in identifying early degenerative changes caused by scoliosis.</p>","PeriodicalId":7143,"journal":{"name":"Acta radiologica","volume":" ","pages":"2841851251319483"},"PeriodicalIF":1.1,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143439467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Utility of chest CT in the diagnosis of additional suspicious lesions on MRI in women with breast cancer.","authors":"Jihee Kim, Jieun Koh, Jihee Park","doi":"10.1177/02841851251319108","DOIUrl":"https://doi.org/10.1177/02841851251319108","url":null,"abstract":"<p><strong>Background: </strong>Dedicated breast computed tomography (CT) is an emerging modality, but no study has compared breast lesions additionally detected on magnetic resonance imaging (MRI) with correlated CT lesions. Although there are differences between chest CT and dedicated breast CT, a preliminary evaluation would be valuable.</p><p><strong>Purpose: </strong>To evaluate the usefulness of contrast-enhanced chest CT in evaluating additional suspicious lesions preoperatively detected on MRI in patients with breast cancer.</p><p><strong>Material and methods: </strong>Between January 2020 and December 2021, 245 patients with breast cancer who underwent preoperative breast MRI and contrast-enhanced chest CT were included. Enhancing lesions detected on CT showing correlation with additional suspicious lesions detected on MRI were recorded as CT-correlated enhancements. The pathological findings were confirmed by subsequent percutaneous biopsy or lesion excision. The clinical and MRI features of additional suspicious lesions were compared according to the standard reference or the presence of CT-correlated enhancement.</p><p><strong>Results: </strong>There were 96 (39.2%) additional suspicious lesions detected on preoperative breast MRI and a malignancy rate of 39.6%. Of 96 lesions, chest CT revealed correlated enhancement in 64 (66.7%) lesions, including 33 malignant lesions. Among the 32 lesions that showed no correlation enhancement on chest CT, 5 (15.6%) were malignant. Malignancy, diffusion-weighted image restriction, and fast/washout kinetics were more frequently observed in lesions with CT-correlated enhancement than in those without correlated enhancement (<i>P</i> < 0.001, <i>P</i> = 0.001, and <i>P</i> = 0.020, respectively).</p><p><strong>Conclusion: </strong>When evaluating MRI-detected additional suspicious lesions in patients with breast cancer, lesions with CT-correlated enhancement were significantly more likely to be malignant than those without CT-correlated enhancement.</p>","PeriodicalId":7143,"journal":{"name":"Acta radiologica","volume":" ","pages":"2841851251319108"},"PeriodicalIF":1.1,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143432166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Disagreements of non-vascular findings in computed tomography of the aorta by radiology residents.","authors":"Keerati Hongsakul, Surajai Junnhu, Polathep Vichitkunakorn","doi":"10.1177/02841851251319109","DOIUrl":"https://doi.org/10.1177/02841851251319109","url":null,"abstract":"<p><strong>Background: </strong>Although non-vascular findings from computed tomography angiography (CTA) of the aorta are not the primary interpretation, the significant findings can affect the patient's treatment.</p><p><strong>Purpose: </strong>To evaluate the disagreement between radiology residents and staff regarding non-vascular findings in CTA of the aorta.</p><p><strong>Material and methods: </strong>We conducted a retrospective study of 419 CTA scans of the aorta between January 2014 and December 2016. The non-vascular findings from the final preliminary reports, which were interpreted by radiology residents, were recorded and compared with blind interpretations by an experienced member of the radiology staff. Disagreements were analyzed using the unweighted Kappa value.</p><p><strong>Results: </strong>A total of 419 CTA aorta were interpreted by 38 radiology residents. The elective versus emergency CTA rate was 58% versus 42%. The emergency CTA rate related to traumatic conditions was 57.9% The thoracic system was the most common disagreement of significant non-vascular findings, with the highest disagreement rate being significant breast lesions (80.0%, Kappa = 0.33; 95% confidence interval [CI] = 0.15-0.81). Non-vascular findings detected by residents in significant and intermediated significant groups were 339/627 for elective CTAs and 241/457 for emergency CTAs. The disagreement rates for these findings were 45.9% (Kappa = 0.68; 95% CI = 0.54-0.97) in elective CTAs and 47.3% (Kappa = 0.60; 95% CI = 0.53-0.90) in emergency CTAs.</p><p><strong>Conclusion: </strong>The most disagreement of non-vascular findings in significant and intermediated significant groups was the thoracic system. The disagreement rates of non-vascular findings between radiology residents and staff were higher in emergency CTA. These results can be used to improve radiology training.</p>","PeriodicalId":7143,"journal":{"name":"Acta radiologica","volume":" ","pages":"2841851251319109"},"PeriodicalIF":1.1,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143432160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Triple coaxial microcatheter for preoperative transcatheter arterial embolization in bone and soft tissue tumors.","authors":"Yosuke Nozawa, Ayako Fujimori, Takao Igarashi, Akito Sano, Itsuo Watanabe, Ukei Anazawa, Masashi Okamura","doi":"10.1177/02841851251319465","DOIUrl":"https://doi.org/10.1177/02841851251319465","url":null,"abstract":"<p><strong>Background: </strong>Preoperative transcatheter arterial embolization (P-TAE) is a procedure designed to reduce intraoperative blood loss (IBL) and support the performance of surgery for bone and soft tissue tumors (BSTT).</p><p><strong>Purpose: </strong>To develop a new P-TAE technique using a triaxial microcatheter system (TMCS) that maintains normal tissue circulation while embolizing only the feeding artery of BSTT and to investigate the safety and efficacy of P-TAE with TMCS.</p><p><strong>Material and methods: </strong>A total of 34 cases of BSTT in the whole body (25 men, nine women; mean age = 74.85 ± 11.32 years) were included between 1 April 2014 and 30 June 2024. We evaluated technical and clinical outcomes, P-TAE techniques, complications, and patient characteristics.</p><p><strong>Results: </strong>Bone metastasis of renal cell carcinoma (n = 11) was the most frequent diagnosis. P-TAEs using TMCS were performed with technical success (97.05%) and clinical success (88.23%), demonstrating a high selectivity rate to the feeding artery of 97.14%. The mean IBL was 792.70 ± 1285.61 mL (median = 370 mL; range = 50-6935 mL). All surgeries were performed successfully after P-TAE.</p><p><strong>Conclusion: </strong>P-TAE plays an important role in the presurgical operation of BSTT. The use of TMCS offers high selectivity, trackability, and crossability in the P-TAE procedure, enhancing the clinical efficacy of P-TAE.</p>","PeriodicalId":7143,"journal":{"name":"Acta radiologica","volume":" ","pages":"2841851251319465"},"PeriodicalIF":1.1,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143432163","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}