Clinical radiology最新文献_第4页

Diagnostic value of quantitative brain synthetic magnetic resonance imaging in patients with obstructive sleep apnoea 定量脑合成磁共振成像对阻塞性睡眠呼吸暂停的诊断价值

IF 2.1 3区医学

Clinical radiology Pub Date : 2025-04-24 DOI: 10.1016/j.crad.2025.106939

Y. Li , X. Du , Z. Geng

{"title":"Diagnostic value of quantitative brain synthetic magnetic resonance imaging in patients with obstructive sleep apnoea","authors":"Y. Li , X. Du , Z. Geng","doi":"10.1016/j.crad.2025.106939","DOIUrl":"10.1016/j.crad.2025.106939","url":null,"abstract":"<div><h3>Aim</h3><div>Investigating the diagnostic value of quantitative brain synthetic magnetic resonance imaging (SyMRI) in adult patients with obstructive sleep apnoea (OSA) and brain microstructural injury.</div></div><div><h3>Materials and Methods</h3><div>Fifty untreated OSA patients at initial diagnosis who were diagnosed were collected as the OSA group, with 36 non-OSA patients as the normal group. Afterwards, all subjects underwent cranial scans using GE SIGNA Architect 3.0T magnetic resonance imaging. Meanwhile, the differences in grey matter relaxation values, white matter relaxation values, and proton density (PD) values between the 2 groups were compared, followed by an analysis of the correlation between the above parameters and apnoea–hypopnoea index (AHI).</div></div><div><h3>Results</h3><div>Compared with the normal group, T2 values of grey and white matter were significantly decreased, and T1 and PD values of grey matter were slightly decreased in the OSA group, with significant differences (<em>P</em><005). In the meantime, receiver operating characteristic curves suggested the highest area under the curve (AUC) (0.74) and a high sensitivity (92.0%) of T2 values of white matter, along with a low specificity (52.0%). Additionally, the T1 and T2 values of grey matter shared the same AUC (0.69), which exhibited high specificity (75.0%) and high sensitivity (92.0%), respectively. Furthermore, Spearman correlation analysis indicated that T1 values of grey matter were positively correlated with AHI, while T2 values of grey and white matter were negatively correlated with AHI (<em>P</em><0.05).</div></div><div><h3>Conclusion</h3><div>SyMRI quantitative imaging parameters are of significant clinical value for adult OSA patients, especially T2 relaxation values, which are beneficial for the early diagnosis of brain microstructural injury.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"86 ","pages":"Article 106939"},"PeriodicalIF":2.1,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144178327","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}

引用次数: 0

Initial experience with adrenal vein sampling using 3D cursor and preprocedural computed tomography (CT) scout image 使用3D光标和术前计算机断层扫描（CT）侦察图像进行肾上腺静脉采样的初步经验

IF 2.1 3区医学

Clinical radiology Pub Date : 2025-04-22 DOI: 10.1016/j.crad.2025.106928

M.S. Kim , H.P. Hong , C.-Y. Park , J.-S. Yun , H. Kwon , J.N. Kim , M. Kim , K.H. Lee

{"title":"Initial experience with adrenal vein sampling using 3D cursor and preprocedural computed tomography (CT) scout image","authors":"M.S. Kim , H.P. Hong , C.-Y. Park , J.-S. Yun , H. Kwon , J.N. Kim , M. Kim , K.H. Lee","doi":"10.1016/j.crad.2025.106928","DOIUrl":"10.1016/j.crad.2025.106928","url":null,"abstract":"<div><h3>AIM</h3><div>To evaluate the success rate and learning curve of adrenal vein sampling (AVS) performed by a single interventional radiologist, using CT scout image marked with a 3D cursor.</div></div><div><h3>MATERIALS AND METHODS</h3><div>The AVS procedure was conducted on 135 consecutive patients between January 2020 and December 2022 by a single interventional radiologist with no prior experience with AVS. Using a 3D cursor, the positions of the right adrenal vein (RAV), left adrenal vein (LAV), and left renal vein were marked on the CT scout image. AVS procedures were performed based on the marked scout image.</div></div><div><h3>RESULTS</h3><div>Of 135 AVS procedures, 123 (91.1%) were successful with success rates of 82.1% (23/28), 90.4% (47/52), and 96.4% (53/55) in the first, second, and third years, respectively. Among the 12 failures, 10 occurred on the right side and 2 on the left side. The reasons for failure were failure to locate the RAV (n=5), misidentification of a vessel as the adrenal vein (right, n=4; left, n=1), RAV sample haemolysis (n=1), and the absence of adrenocorticotrophic hormone (ACTH) stimulation (LAV, n=1). Three of the failed cases (misidentified RAV, n=1; sample haemolysis, n=1; and no ACTH stimulation, n=1) underwent repeat AVS, and all were successful.</div></div><div><h3>CONCLUSION</h3><div>AVS can be successfully performed by an operator without prior AVS experience using a 3D cursor and CT scout imaging. The success rate of AVS increases with the operator experience.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"86 ","pages":"Article 106928"},"PeriodicalIF":2.1,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144123167","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}

引用次数: 0

Differential diagnosis between parotid pleomorphic adenoma and basal cell adenoma based on CT-enhanced histogram analysis 基于ct增强直方图分析的腮腺多形性腺瘤与基底细胞腺瘤鉴别诊断

IF 2.1 3区医学

Clinical radiology Pub Date : 2025-04-17 DOI: 10.1016/j.crad.2025.106934

L. Han, M. Ma, H. Liu, Q. Zhang, Y. Zhang, X. Liu, X. Wu

{"title":"Differential diagnosis between parotid pleomorphic adenoma and basal cell adenoma based on CT-enhanced histogram analysis","authors":"L. Han, M. Ma, H. Liu, Q. Zhang, Y. Zhang, X. Liu, X. Wu","doi":"10.1016/j.crad.2025.106934","DOIUrl":"10.1016/j.crad.2025.106934","url":null,"abstract":"<div><h3>Aim</h3><div>To explore the application value of differentiating pleomorphic adenoma (PA) of parotid gland from basal cell adenoma (BCA) based on computed tomography (CT)-enhanced histogram parameters.</div></div><div><h3>Materials and Methods</h3><div>This retrospective study included 55 patients with PA and 35 patients with BCA confirmed by surgery and pathology. All patients underwent noncontrast CT and dual phase CT-enhanced scan. FireVoxel software was used to delineate the tumour parenchyma and perform histogram analysis, obtaining nine histogram parameters: mean, variance, skewness, kurtosis, and the 1st, 10th, 50th, 90th, and 99th percentiles. To compare the differences of histogram parameters between PA and BCA groups in parotid gland, and draw receiver operating characteristic (ROC) curve to analyse the diagnostic efficiency of histogram parameters in differentiating PA from BCA.</div></div><div><h3>Results</h3><div>The 1st percentile of noncontrast, mean of arterial phase, variance of arterial phase, 10th, 50th, 90th and 99th percentile of arterial phase and mean of venous phase were significantly higher in the BCA group compared with the PA group (<em>P</em><0.05). ROC curve analysis showed that arterial phase histogram parameters exhibited better diagnostic efficiency in distinguishing PA from BCA when compared with noncontrast, arterial phase and venous phase. Among them, the 90th percentile of arterial phase has the best differential diagnosis efficiency. When the cutoff value is 132.00 × 10<sup>−6</sup> mm<sup>2</sup>/s, the area under the curve is 0.876, the sensitivity and specificity of distinguishing PA from BCA are 90.50% and 84.00%, respectively.</div></div><div><h3>Conclusion</h3><div>CT-enhanced histogram analysis demonstrates diagnostic value in differentiating PA from BCA and may contribute to optimised clinical decision-making.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"86 ","pages":"Article 106934"},"PeriodicalIF":2.1,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143931956","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}

引用次数: 0

Application and significance of precise computed tomography angiography (CTA) scanning technology in the assessment of lower extremity arterial diseases 精密计算机断层血管造影（CTA）技术在下肢动脉疾病评估中的应用及意义

IF 2.1 3区医学

Clinical radiology Pub Date : 2025-04-17 DOI: 10.1016/j.crad.2025.106933

J. Xing , J. Shi , L. Tong , H. Hu , Y. Jia , B. Ge , L. Zhu , H. Yu

{"title":"Application and significance of precise computed tomography angiography (CTA) scanning technology in the assessment of lower extremity arterial diseases","authors":"J. Xing , J. Shi , L. Tong , H. Hu , Y. Jia , B. Ge , L. Zhu , H. Yu","doi":"10.1016/j.crad.2025.106933","DOIUrl":"10.1016/j.crad.2025.106933","url":null,"abstract":"<div><h3>Aims</h3><div>This study compares image quality, contrast agent dosage, and radiation exposure between an advanced precision scanning technique and traditional computed tomography angiography (CTA) scanning methods of the lower limb.</div></div><div><h3>Materials and Methods</h3><div>A cohort of 89 patients with suspected lower limb arterial disease was randomly assigned to precise (A) and traditional (B) CTA scanning. group A used variable helical pitch (VHP), while group B used a standard pitch scanning technique. Computed tomography values and image noise were assessed at five anatomical locations, including the lumbar 4 level (abdominal aorta), iliac artery level, popliteal artery level, ankle joint level, and dorsal foot level in both groups. Signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) were computed for each segment, followed by statistical analysis.</div></div><div><h3>Results</h3><div>Both subjective (SNR, CNR, and CT values) and objective evaluations (evaluation scores of two radiologists) demonstrated superior image quality of lower extremity arteries in group A. The subjective metric was significantly higher in lower limb CTA, particularly at the ankle and dorsum of foot images (all P<0.001), and the subjective score for group A was 21% higher than that of group B (P<0.05). In terms of patients' radiation dose and contrast agent dosage, group A exhibited a 16.23% reduction in radiation dose and a 12.28% reduction in contrast agent dosage compared to group B, respectively (both P<0.001).</div></div><div><h3>Conclusion</h3><div>The use of VHP in CTA scanning enhances distal blood vessel visualisation, improves image quality, and reduces radiation exposure and contrast agent consumption, offering substantial clinical benefits.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"86 ","pages":"Article 106933"},"PeriodicalIF":2.1,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144105848","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}

引用次数: 0

Multimodality imaging findings in secondary dysmenorrhea 继发性痛经的多模态影像学表现

IF 2.1 3区医学

Clinical radiology Pub Date : 2025-04-16 DOI: 10.1016/j.crad.2025.106927

P. Rohan, M. Common, J. Ryan, D. Mulholland, A. O'Shea

{"title":"Multimodality imaging findings in secondary dysmenorrhea","authors":"P. Rohan, M. Common, J. Ryan, D. Mulholland, A. O'Shea","doi":"10.1016/j.crad.2025.106927","DOIUrl":"10.1016/j.crad.2025.106927","url":null,"abstract":"<div><h3>Aim</h3><div>Dysmenorrhea, characterised by painful menstruation, is a prevalent condition affecting up to 90% of menstruating women, with a significant impact on quality of life and daily functioning.</div><div>Primary dysmenorrhea occurs without identifiable pelvic pathology as a result of elevated prostaglandins and leukotrienes resulting in uterine contractility and crampy pelvic pain.</div><div>Secondary dysmenorrhea, on the other hand, arises from identifiable pelvic pathology most commonly endometriosis. Other aetiologies include uterine leiomyomas, adenomyosis, congenital Mullerian duct abnormalities and infection. Accurate diagnosis of pathology in secondary dysmenorrhea is vital for effective management, in order to address patient symptoms and improving outcomes.</div></div><div><h3>Materials and Methods</h3><div>This paper explores the multimodality imaging features associated with secondary dysmenorrhea, emphasising the importance of accurate diagnosis in guiding effective treatment strategies.</div></div><div><h3>Results</h3><div>Pelvic ultrasound, transabdominal and transvaginal, is typically the first-line imaging investigation due to its accessibility and effectiveness. Magnetic resonance imaging (MRI) offers improved soft tissue contrast and assessment of extrauterine anatomy, vital for resolving complex clinical challenges. Computed tomography has a more limited role but is extremely useful in the setting of suspected pelvic inflammatory disease.</div></div><div><h3>Conclusion</h3><div>We aim to explore the multimodality imaging findings in secondary dysmenorrhea, to aid accurate diagnosis, allowing for timely intervention and improving health outcomes and quality of life for women.</div></div>","PeriodicalId":10695,"journal":{"name":"Clinical radiology","volume":"86 ","pages":"Article 106927"},"PeriodicalIF":2.1,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143923557","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}

引用次数: 0

RCR meetings 软的会议

IF 2.1 3区医学

Clinical radiology Pub Date : 2025-04-16 DOI: 10.1016/S0009-9260(25)00136-9

引用次数: 0

How good are we at reporting varicoceles? An audit on ultrasound evaluation and grading of varicoceles in compliance with European Society of Urogenital Radiology guidelines 我们报告精索静脉曲张的能力如何？根据欧洲泌尿生殖放射学会指南对精索静脉曲张的超声评估和分级进行审核

IF 2.1 3区医学

Clinical radiology Pub Date : 2025-04-14 DOI: 10.1016/j.crad.2025.106894

Hamza Khan, Karthik Rajagopal, Kethesparan Paramesparan

引用次数: 0

Improving the quality of the CT coronary angiography (CTCA) service 提高 CT 冠状动脉造影 (CTCA) 服务质量

IF 2.1 3区医学