Clinical radiology最新文献

{"title":"Use of an intermediate catheter with internal guide wire support for transradial embolisation of intracranial aneurysms","authors":"G.-Q. Xu,&nbsp;T.-X. Li,&nbsp;T.-Y. Zhao,&nbsp;J.-Y. Xue,&nbsp;Z.-C. Chen,&nbsp;L.-F. Zhu,&nbsp;B.-L. Gao","doi":"10.1016/j.crad.2025.107012","DOIUrl":"10.1016/j.crad.2025.107012","url":null,"abstract":"<div><h3>Aim</h3><div>The aim of this study was to investigate the safety and effect of the technique using an intermediate catheter with internal guide wire support for embolisation of intracranial aneurysms through the transradial access.</div></div><div><h3>Materials and methods</h3><div>Fifty patients aged 53.2 ± 8.9 (range: 35-82) years with 57 intracranial aneurysms were retrospectively enrolled. The clinical data, treatment, and follow-up outcomes were analysed.</div></div><div><h3>Results</h3><div>Aneurysm rupture was found in 14 (28%) patients, with aneurysm size ranging 2 to 12 (6.8 ± 1.6) mm. Endovascular treatment was performed through the transradial access on the right in 42 (84%) patients and on the left in 8 (16%). Coil embolisation alone was conducted in 17 (34%) patients, including use of a single microcatheter in 14 (28%) patients and double microcatheters in 3 (6%). Stent-assisted coiling was performed for wide-necked aneurysms in 40 (80%) patients, including use of a microcatheter in 36 (72%) patients and double microcatheters in 4 (8%). A 0.018-inch guide wire was used in 46 (92%) patients, and a 0.035-inch guide wire was used in the rest 4 (8%). Immediately after embolisation, Raymond grade I embolisation was achieved in 48 (84.2%) aneurysms, grade II in 8 (14.0%), and grade III in 1 (1.8%). One (2%) patient had nonsymptomatic occlusion of the punctured radial artery. Thirty-two (64%) patients with 35 (61.4%) aneurysms had angiographic follow-up, including Raymond grade I occlusion in 32 (91.4%) aneurysms and grade II in 3 (8.6%).</div></div><div><h3>Conclusion</h3><div>Use of the intermediate catheter technique with internal guide wire support through the transradial access is safe and effective in endovascular embolisation of intracranial aneurysms.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"89 ","pages":"Article 107012"},"PeriodicalIF":1.9,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144842073","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":"Relationship between maximum injection pressure and extravasation rate of contrast media in computed tomography","authors":"N. Koori ,&nbsp;R. Sugai ,&nbsp;T. Hasegawa ,&nbsp;H. Fuse ,&nbsp;T. Sasajima ,&nbsp;T. Suzuki ,&nbsp;H. Kudo ,&nbsp;K. Takeda ,&nbsp;S. Miyakawa ,&nbsp;K. Sasaki ,&nbsp;K. Yasue ,&nbsp;M. Takahashi ,&nbsp;H. Nosaka","doi":"10.1016/j.crad.2025.107011","DOIUrl":"10.1016/j.crad.2025.107011","url":null,"abstract":"<div><h3>AIM</h3><div>The purpose of this study was to use multivariate analysis to clarify the relationships between the extravasation rates of contrast media and maximum injection pressure in adults.</div></div><div><h3>MATERIALS AND METHODS</h3><div>We recruited 2688 patients who underwent contrast-enhanced computed tomography. The intravenous lines were placed in the median cubital vein by the nurse or physician in charge of the examination. We obtained the following information: age, sex, body mass index, indwelling needle diameter, injection speed, contrast media concentration, fractional dose, maximum injection pressure, presence or absence of extravasation, and in/out-patient status.</div></div><div><h3>RESULTS</h3><div>The odds ratios of in/out-patients and maximum injection pressures were 2.62 (<em>P</em> &lt; 0.05) and 1.64 (<em>P</em> &lt; 0.001), respectively. Using a cut-off value of 9.5 kg/cm², the area under the curve of the maximum injection pressure was 0.68.</div></div><div><h3>CONCLUSION</h3><div>We recommend that a threshold of 9.5 kg/cm² be set for the maximum injection pressure when placing an intravenous line in the median cubital vein to efficiently reduce extravasation of the contrast media.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"88 ","pages":"Article 107011"},"PeriodicalIF":1.9,"publicationDate":"2025-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144779377","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":"Identification of image quality degradation factors in abdominal free-breathing dynamic contrast-enhanced magnetic resonance imaging (MRI)","authors":"Y. Noda ,&nbsp;N. Kawai ,&nbsp;M. Hirata ,&nbsp;T. Kaga ,&nbsp;K. Kajita ,&nbsp;Yu Ueda ,&nbsp;M. Honda ,&nbsp;F. Hyodo ,&nbsp;H. Kato ,&nbsp;M. Matsuo","doi":"10.1016/j.crad.2025.107010","DOIUrl":"10.1016/j.crad.2025.107010","url":null,"abstract":"<div><h3>AIM</h3><div>To identify the image quality degradation factors (IQDF), which can be obtained precontrast in abdominal free-breathing dynamic contrast-enhanced magnetic resonance imaging (FB-DCEMRI).</div></div><div><h3>MATERIALS AND METHODS</h3><div>This retrospective study enrolled patients who underwent abdominal FB-DCEMRI. The patients' demographics and underlying diseases at the time of MRI were recorded. Two radiologists assessed the precontrast and arterial phase images and assigned the confidence scores for motion artifact, streak artifact, and overall image quality using a 5-point Likert scale. Acceptable image quality was defined as ≥3 points in the overall image quality at the arterial phase. Based on this assessment, patients were classified into two groups: acceptable and nonacceptable groups. The IQDF were identified through logistic regression analysis.</div></div><div><h3>RESULTS</h3><div>Among the 73 patients, 48 (66%) were included in the acceptable group, while 25 (34%) were included in the unacceptable group. Only the prevalence of cirrhosis was different between the two groups (4% vs 20% in the acceptable and unacceptable groups; <em>P</em> = .04). All the confidence scores were higher in the acceptable group than in the unacceptable group (<em>P</em> &lt; .001–.007). Only cirrhosis (<em>P</em> = .03) and overall image quality at precontrast (<em>P</em> = .02) were identified as the IQDF. Furthermore, using the fitted logistic regression equation, the sensitivity, specificity, and area under the curve for predicting unacceptable image quality were 56% [14/25], 92% [44/48], and 0.79 [95% confidence interval, 0.68–0.87], respectively.</div></div><div><h3>CONCLUSION</h3><div>The presence of cirrhosis and unacceptable image quality at precontrast were identified as the IQDF based on the findings of the abdominal FB-DCEMRI.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"88 ","pages":"Article 107010"},"PeriodicalIF":1.9,"publicationDate":"2025-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144772558","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":"Multilevel spinal lesions beyond metastases","authors":"S.L. Chung ,&nbsp;P. Tantridge ,&nbsp;H. Wassati ,&nbsp;J. Jaremko","doi":"10.1016/j.crad.2025.107013","DOIUrl":"10.1016/j.crad.2025.107013","url":null,"abstract":"<div><h3>Aim</h3><div>To review multi-level spinal lesions where metastasis was a possible differential diagnosis.</div></div><div><h3>Materials</h3><div>A series of anonymised patients who presented with multilevel spinal lesions were reviewed. Some patients presented with contiguous, multilevel, or diffuse spinal changes which ultimately proved to not be metastases despite initial suspicion. All these spinal lesions were evaluated with extensive imaging. If imaging features were suspicious for metastases or showed aggressive features, biopsy was performed. All data was anonymised.</div></div><div><h3>Results</h3><div>Despite not being metastases, some of these lesions can appear aggressive in nature. Differential diagnosis of multilevel spinal lesions included bone infarcts, Paget's, extra-medullary haematopoiesis, treatment related and axial spondyloarthropathy.</div></div><div><h3>Conclusions</h3><div>To help readers gain experience and confidence in assessing the differential diagnosis of multi-level spinal lesions which could be metastases.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"88 ","pages":"Article 107013"},"PeriodicalIF":1.9,"publicationDate":"2025-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144768444","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":"Prognosis risk stratification in patients with cervical adenocarcinoma after surgery: Development and validation of integrated biomarkers","authors":"L. Jian ,&nbsp;N. Wu ,&nbsp;F. Bi ,&nbsp;H. Li ,&nbsp;M. Zhu ,&nbsp;M. Bao ,&nbsp;Z. Ai ,&nbsp;J. Wang ,&nbsp;C. Fang ,&nbsp;X. Yu","doi":"10.1016/j.crad.2025.107000","DOIUrl":"10.1016/j.crad.2025.107000","url":null,"abstract":"<div><h3>Aims</h3><div>Currently, there is a lack of prognostic assessment tools for cervical adenocarcinoma (CAC). To develop a prognostic tool for patients with CAC after surgery, we innovatively integrated radiomic features from contrast-enhanced computed tomography (CECT) images, clinicopathologic variables, and DNA methylation data.</div></div><div><h3>Materials and Methods</h3><div>We retrospectively collected the clinical and imaging data of patients with CAC. Pre-, post-, and fusion radiomic models were constructed using a support-vector-machine classifier. Clinical, radiomic features, and DNA methylation data were integrated to develop the combined model. Model performance for the prediction of progression-free survival was evaluated using Harrell' concordance index (C-index). Kaplan-Meier curves were used to show the survival difference between high- and low-risk groups stratified by the models.</div></div><div><h3>Results</h3><div>A total of 127 CAC patients (training cohort, n=86; validation cohort, n=41) were included. In the validation cohort, the clinical model based on chemoradiotherapy and invasion depth achieved a C-index of 0.811 (95%CI: 0.784–0.838). The pre-contrast, post-contrast, and fusion radiomic models yielded a C-index of 0.745 (95%CI: 0.688–0.802), 0.723 (95%CI: 0.668–0.778), 0.757 (95%CI: 0.708–0.806), respectively. The combined model based on chemoradiotherapy, ZNF582, and post-contrast radiomic features obtained the highest C-index of 0.872 (95%CI: 0.835–0.909). The Kaplan-Meier curves display that the high-risk patients had significantly shorter PFS compared to the low-risk patients (all P&lt;0.05).</div></div><div><h3>Conclusions</h3><div>The combined model can be used as a prognosis stratification tool for patients with CAC, which can facilitate disease monitoring and clinical decision-making.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"88 ","pages":"Article 107000"},"PeriodicalIF":1.9,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144779375","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":"Incorporation of transperineal ultrasonography and pelvic electromyography into the real clinical setting for the prediction of postpartum stress urinary incontinence","authors":"Q. Feng ,&nbsp;K. Wang ,&nbsp;J.M. Huang ,&nbsp;W.T. Xu ,&nbsp;H.H. Yang ,&nbsp;Y. He","doi":"10.1016/j.crad.2025.107005","DOIUrl":"10.1016/j.crad.2025.107005","url":null,"abstract":"<div><h3>Aim</h3><div>Risk factors for predicting postpartum stress urinary incontinence (SUI) attract increasingly more attention. Here, we incorporate transperineal ultrasonography (US) and pelvic floor electromyography into the real clinical setting, aiming to evaluate various risk factors comprehensively and objectively and weigh their roles in predicting postpartum SUI.</div></div><div><h3>Materials and methods</h3><div>A total of 530 subjects were enrolled. SUI was diagnosed using the International Consultation on Incontinence Questionnaire–Short Form. The clinical, ultrasonographic, and myoelectric data of the subjects were collected. Risk factors of postpartum SUI were analysed in this integrated context. The performance of different combined risk factors models was tested and internally verified.</div></div><div><h3>Results</h3><div>The maternal age, body mass index, hypertension, parity, the bladder neck–symphysis distance during the Valsalva manoeuvre, retrovesical angle during the Valsalva manoeuvre and abnormal fatigue degree of type Ⅱ muscle fibres were independent risk factors of postpartum SUI (<em>P</em>&lt;0.05). Assisted vaginal birth was more associated with SUI than cesarean birth in primipara subgroups by modes of delivery (<em>P</em>=0.040). The combined model of clinical, ultrasonographic, and myoelectric factors showed optimal performance in predicting SUI (C-statistics = 0.771). The efficacy of the combination of clinical and ultrasonographic variables was slightly lower (C-statistics = 0.762, <em>P</em>=0.167). The calibration curves of both models above were well-fitted.</div></div><div><h3>Conclusion</h3><div>Compared with simple clinical factors, the combination of clinical and sonographic factors significantly increased the odds of predicting postpartum SUI with similar efficacy as the optimal combination of clinical, ultrasonographic, and myoelectric three aspects, which suggested the necessary role of transperineal US examination in SUI.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"89 ","pages":"Article 107005"},"PeriodicalIF":1.9,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144865620","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":"Paid MBP advert: YCRAD REALM July Issue","authors":"","doi":"10.1016/S0009-9260(25)00191-6","DOIUrl":"10.1016/S0009-9260(25)00191-6","url":null,"abstract":"","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"86 ","pages":"Article 106986"},"PeriodicalIF":1.9,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145117718","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 the patella following cartilage repair on conventional magnetic resonance imaging and T2 mapping","authors":"Y. Zheng,&nbsp;S.B.S. Wong,&nbsp;C.A. Peter,&nbsp;J.X.M. Ho,&nbsp;A.G.W. Goh","doi":"10.1016/j.crad.2025.107006","DOIUrl":"10.1016/j.crad.2025.107006","url":null,"abstract":"<div><div>This pictorial review aims to illustrate the role of conventional magnetic resonance imaging (MRI) and T2 mapping in the evaluation of the patella following cartilage repair. Through a series of representative images, this review demonstrates typical imaging findings from both modalities, emphasising their respective strengths in assessing graft morphology, early signs of viable and nonviable grafts, as well as diagnostic pitfalls. Conventional MRI is useful for visualising macroscopic changes. However, T2 mapping provides additional insight into the viability and integration of the cartilage, which may not be visible on conventional MRI. Together, these imaging techniques offer a comprehensive, noninvasive method for monitoring the success of cartilage repair, detecting complications, and guiding long-term patient management.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"88 ","pages":"Article 107006"},"PeriodicalIF":2.1,"publicationDate":"2025-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144670377","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":"T2 mapping in acute myocarditis: advancing quantitative cardiovascular magnetic resonance (CMR) imaging for precision medicine","authors":"R. Cau ,&nbsp;G. Falconi ,&nbsp;J.S. Suri ,&nbsp;L. Saba","doi":"10.1016/j.crad.2025.107007","DOIUrl":"10.1016/j.crad.2025.107007","url":null,"abstract":"<div><h3>AIM</h3><div>Myocarditis is an inflammatory condition characterised by myocardial oedema, which is a key diagnostic criterion. The introduction of T2 mapping techniques has enabled the quantitative assessment of myocardial oedema using cardiovascular magnetic resonance (CMR). This study investigated the demographic, laboratory, clinical, and CMR correlates of T2 mapping in patients with acute myocarditis.</div></div><div><h3>MATERIALS AND METHODS</h3><div>This retrospective study included 141 consecutive patients with acute myocarditis (113 males, mean age 41.12 ± 19.64 years). All patients met the diagnostic criteria for clinically suspected myocarditis with an acute presentation and underwent CMR examinations that fulfilled the Lake Louise Criteria.</div></div><div><h3>RESULTS</h3><div>The mean T2 mapping value in patients was 60.12 ± 6.28 ms. Significantly higher T2 mapping values were observed in patients with hypertension (<em>P</em> = 0.039), impaired left ventricular ejection fraction (<em>P</em> = 0.001), impaired longitudinal strain (<em>P</em> = 0.002), and late gadolinium enhancement (LGE) in the septum (<em>P</em> = 0.023). On multivariable linear regression analysis, decreased left ventricle ejection fraction (LVEF) (Beta = −2.584, <em>P</em> = 0.014) and greater LGE extent (Beta = 2.166, <em>P</em> = 0.034) were independently associated with elevated T2 mapping values.</div></div><div><h3>CONCLUSION</h3><div>Elevated T2 mapping values are strongly associated with imaging markers of disease severity in acute myocarditis, underscoring its role in the comprehensive evaluation of myocardial inflammation.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"88 ","pages":"Article 107007"},"PeriodicalIF":2.1,"publicationDate":"2025-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144711678","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 diagnostic model from semi-supervised cross modality transformation improved the distinguished ability of X-rays for pulmonary tuberculosis","authors":"J. Zhou ,&nbsp;H. Ke ,&nbsp;C. Yang ,&nbsp;S.-J. Zhang ,&nbsp;W.-W. Sun ,&nbsp;L. Chen ,&nbsp;Z.-M. Zhang ,&nbsp;L. Fan","doi":"10.1016/j.crad.2025.107004","DOIUrl":"10.1016/j.crad.2025.107004","url":null,"abstract":"<div><h3>Background</h3><div>Early diagnosis of tuberculosis is particularly difficult in resource-poor areas. Traditional chest X-rays (CXR) have limited accuracy, while CT scans are costly and involve radiation exposure. The study aims to improve the diagnostic accuracy of routine X-rays for pulmonary tuberculosis to approximate the performance of CT scans through building Artificial Intelligence (AI) model, suitable for primary healthcare settings lacking CT facilities.</div></div><div><h3>Methods</h3><div>In this study, datasets from our hospital and two open-source datasets, namely the Shenzhen Hospital dataset (CHNCXR) and the Montgomery County dataset (MC), were included. A semi-supervised cross-modality transformation computational model was employed to independently train deep learning models based on X-ray and CT images. Transfer learning was utilized for pre-training on ImageNet, and the model performance was evaluated using 5-fold cross-validation.</div></div><div><h3>Results</h3><div>In the evaluated patients, MX’(final augmented X-ray model) shows a standout performance in diagnosing pulmonary tuberculosis (PTB) using chest X-rays, with a 6% increase in high precision and a 1.8% increase in specificity, significantly surpassing the original X-ray model MX(X-ray model). Although MX’ has a lower sensitivity (0.778) compared to MX (0.815), its overall balance makes it highly suitable for initial screenings. The model's ability to prioritize accuracy and specificity highlights its potential for effective deployment in clinical scenarios with follow-up testing options.</div></div><div><h3>Conclusions</h3><div>The novel diagnosis model based on the AI method strikes a meaningful balance between precision and accessibility. This makes MX’ a practical alternative in resource-limited settings, offering a more efficient and scalable solution for tuberculosis diagnosis and screening.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"88 ","pages":"Article 107004"},"PeriodicalIF":2.1,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144672115","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}