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Diagnostic and Interventional Imaging最新文献

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Reevaluating the dominant sequence paradigm: Toward a comprehensive scoring model for PI-RADS 重新评估优势序列范式:建立PI-RADS的综合评分模型。
IF 8.1 2区 医学 Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2025-09-01 DOI: 10.1016/j.diii.2025.05.009
Sébastien Molière , Raphaële Renard-Penna
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引用次数: 0
CT features of genetic mutation-related pulmonary alveolar proteinosis (CCR2 and GATA2 deficiency) 基因突变相关肺泡蛋白沉积症(CCR2和GATA2缺乏)的CT表现。
IF 8.1 2区 医学 Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2025-09-01 DOI: 10.1016/j.diii.2025.04.007
Gael Dournes , Hugues Bégueret , Xavier Demant , Jean Delmas , Michael Fayon , Nathalie Aladjidi
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引用次数: 0
Imaging features of hepatic peribiliary cysts in liver cirrhosis 肝硬化肝胆道周围囊肿的影像学特征。
IF 8.1 2区 医学 Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2025-09-01 DOI: 10.1016/j.diii.2025.07.002
Emma Gauwin , Maxime Barat , Emma Canniff
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引用次数: 0
Laser-focused ablative therapy for prostate cancer and benign prostatic hyperplasia: A review of current applications and future directions 激光聚焦消融治疗前列腺癌和良性前列腺增生:目前的应用和未来的发展方向综述。
IF 8.1 2区 医学 Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2025-09-01 DOI: 10.1016/j.diii.2025.04.001
François Cornud , Eric M Walser , Katelijne CC de Bie , Arnaud Lefevre , Marc Galiano
Focal Laser ablation (FLA), or interstitial Laser thermotherapy, is a promising minimally invasive approach for the treatment of localized prostate cancer and benign prostatic hyperplasia. This technique is gaining popularity among patients due to its ability to preserve pre-treatment quality of life. The examination is performed under magnetic resonance imaging (in bore) or ultrasound guidance, via a percutaneous transrectal or transperineal route. Under transperineal ultrasound guidance, FLA can use up to four Laser fibers to create confluent zones of tissue ablation, enabling treatment of larger prostate- or tumor volumes. Primary indications for FLA include intermediate-risk localized prostate cancer and benign prostatic hyperplasia refractory to medical treatment due to ineffectiveness or side effects. The intervention is typically performed under light sedation or under locoregional anesthesia. FLA lasts approximately 10 min, with a total intervention time of < 60 min on an outpatient basis. Patients are often discharged with either a suprapubic or bladder catheter to prevent urinary retention, especially if the ablated area is close to the urethra. Minor complications are rare and limited to transient voiding dysfunction, urinary tract infection, or hematuria. Major complications, such as rectoprostatic fistula, are avoided by rectoprostatic hydrodissection. FLA is an effective, well-tolerated option in the minimally invasive treatment of prostate disease, offering rapid treatment times, low complication rates, and preservation of quality of life for appropriately selected patients. However, variability in recurrence rates following FLA for prostate cancer highlights the need for further investigation into optimal patient selection for this treatment.
局部激光消融(FLA)或间质激光热疗是治疗局限性前列腺癌和良性前列腺增生的一种很有前途的微创方法。这项技术在患者中越来越受欢迎,因为它能够保持治疗前的生活质量。检查在磁共振成像(钻孔)或超声引导下进行,通过经皮经直肠或经会阴途径。在经会阴超声引导下,FLA可以使用多达四根激光纤维来创建组织消融的融合区,从而可以治疗更大的前列腺或肿瘤体积。FLA的主要适应症包括中度危险的局限性前列腺癌和因无效或副作用而难以药物治疗的良性前列腺增生。干预通常在轻度镇静或局部麻醉下进行。FLA持续约10分钟,在门诊的基础上,总干预时间< 60分钟。患者出院时通常使用耻骨上导尿管或膀胱导尿管,以防止尿潴留,特别是当消融区域靠近尿道时。轻微的并发症是罕见的,仅限于短暂的排尿功能障碍,尿路感染,或血尿。主要的并发症,如直肠前列腺瘘,可避免直肠前列腺水解剖。FLA在前列腺疾病的微创治疗中是一种有效且耐受性良好的选择,为适当选择的患者提供快速的治疗时间,低并发症发生率,并保留生活质量。然而,前列腺癌FLA术后复发率的可变性强调了进一步研究这种治疗的最佳患者选择的必要性。
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引用次数: 0
Focal Laser ablation in prostate diseases: Consolidating evidence and navigating future directions 局灶性激光消融治疗前列腺疾病:巩固证据和指引未来方向。
IF 8.1 2区 医学 Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2025-09-01 DOI: 10.1016/j.diii.2025.05.003
Denis Séguier, Jonathan Olivier, Arnauld Villers
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引用次数: 0
CT and cinematic rendering imaging features of mandibular ameloblastoma 下颌成釉细胞瘤的CT及电影渲染影像特征。
IF 8.1 2区 医学 Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2025-08-09 DOI: 10.1016/j.diii.2025.07.008
Taha M Ahmed, Elliot K. Fishman
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引用次数: 0
Emerging paradigms in molecular imaging of neuroendocrine tumors: From dual-tracer PET to somatostatin receptor antagonists 神经内分泌肿瘤分子成像的新范式:从双示踪PET到生长抑素受体拮抗剂。
IF 8.1 2区 医学 Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2025-07-23 DOI: 10.1016/j.diii.2025.07.006
Anna Pellat , Anne Ségolène Cottereau
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引用次数: 0
Are we really ready to use radiomics and deep learning for clinical decision support in radiology? 我们真的准备好将放射组学和深度学习用于放射学的临床决策支持了吗?
IF 8.1 2区 医学 Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2025-07-23 DOI: 10.1016/j.diii.2025.07.004
Guillaume Chassagnon
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引用次数: 0
Generative T2*-weighted images as a substitute for true T2*-weighted images on brain MRI in patients with acute stroke 生成T2*加权图像替代急性脑卒中患者真实T2*加权图像的研究。
IF 4.9 2区 医学 Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2025-07-01 DOI: 10.1016/j.diii.2025.03.004
Antoine Pelcat , Alice Le Berre , Wagih Ben Hassen , Clement Debacker , Sylvain Charron , Bertrand Thirion , Laurence Legrand , Guillaume Turc , Catherine Oppenheim , Joseph Benzakoun

Purpose

The purpose of this study was to validate a deep learning algorithm that generates T2*-weighted images from diffusion-weighted (DW) images and to compare its performance with that of true T2*-weighted images for hemorrhage detection on MRI in patients with acute stroke.

Materials and methods

This single-center, retrospective study included DW- and T2*-weighted images obtained less than 48 hours after symptom onset in consecutive patients admitted for acute stroke. Datasets were divided into training (60 %), validation (20 %), and test (20 %) sets, with stratification by stroke type (hemorrhagic/ischemic). A generative adversarial network was trained to produce generative T2*-weighted images using DW images. Concordance between true T2*-weighted images and generative T2*-weighted images for hemorrhage detection was independently graded by two readers into three categories (parenchymal hematoma, hemorrhagic infarct or no hemorrhage), and discordances were resolved by consensus reading. Sensitivity, specificity and accuracy of generative T2*-weighted images were estimated using true T2*-weighted images as the standard of reference.

Results

A total of 1491 MRI sets from 939 patients (487 women, 452 men) with a median age of 71 years (first quartile, 57; third quartile, 81; range: 21–101) were included. In the test set (n = 300), there were no differences between true T2*-weighted images and generative T2*-weighted images for intraobserver reproducibility (κ = 0.97 [95 % CI: 0.95–0.99] vs. 0.95 [95 % CI: 0.92–0.97]; P = 0.27) and interobserver reproducibility (κ = 0.93 [95 % CI: 0.90–0.97] vs. 0.92 [95 % CI: 0.88–0.96]; P = 0.64). After consensus reading, concordance between true T2*-weighted images and generative T2*-weighted images was excellent (κ = 0.92; 95 % CI: 0.91–0.96). Generative T2*-weighted images achieved 90 % sensitivity (73/81; 95 % CI: 81–96), 97 % specificity (213/219; 95 % CI: 94–99) and 95 % accuracy (286/300; 95 % CI: 92–97) for the diagnosis of any cerebral hemorrhage (hemorrhagic infarct or parenchymal hemorrhage).

Conclusion

Generative T2*-weighted images and true T2*-weighted images have non-different diagnostic performances for hemorrhage detection in patients with acute stroke and may be used to shorten MRI protocols.
目的:本研究的目的是验证一种从扩散加权(DW)图像生成T2*加权图像的深度学习算法,并将其与真实T2*加权图像的性能进行比较,用于急性脑卒中患者的MRI出血检测。材料和方法:本研究为单中心、回顾性研究,包括连续入院的急性脑卒中患者在症状出现后48小时内获得的DW和T2加权图像。数据集分为训练集(60%)、验证集(20%)和测试集(20%),并按脑卒中类型(出血性/缺血性)分层。训练生成式对抗网络,利用DW图像生成生成式T2*加权图像。真实T2*加权图像与生成T2*加权图像之间的一致性由两个读取器独立分级为三类(实质血肿、出血性梗死或无出血),不一致性通过一致读取解决。以真实T2加权图像为参照标准,评估生成T2加权图像的灵敏度、特异性和准确性。结果:939例患者共1491台MRI(女性487例,男性452例),中位年龄71岁(第一四分位数,57岁;第三四分位数,81分;范围:21-101)。在测试集(n = 300)中,真实T2*加权图像与生成T2*加权图像在观察者内再现性方面无差异(κ = 0.97 [95% CI: 0.95-0.99] vs. 0.95 [95% CI: 0.92-0.97];P = 0.27)和观察者间再现性(κ = 0.93 [95% CI: 0.90-0.97] vs. 0.92 [95% CI: 0.88-0.96];P = 0.64)。共识读取后,真实T2*加权图像与生成T2*加权图像的一致性极好(κ = 0.92;95% ci: 0.91-0.96)。生成T2*加权图像灵敏度达到90% (73/81;95% CI: 81-96), 97%特异性(213/219;95% CI: 94-99)和95%准确率(286/300;95% CI: 92-97)用于诊断任何脑出血(出血性梗死或实质出血)。结论:生成型T2*加权图像与真T2*加权图像对急性脑卒中患者出血的诊断性能无差异,可用于缩短MRI方案。
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引用次数: 0
SIAD (Societé d'Imagerie Abdominale et Digestive) and AFEF (Association Française pour l'Etude du Foie) best practice position paper on the implementation of ultrasound elastography in clinical practice SIAD (Societe d'Imagerie Abdominale et Digestive)和AFEF (Association Francaise pour Etude du Foie)关于超声弹性体在临床实践中的应用的最佳实践立场论文。
IF 4.9 2区 医学 Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Pub Date : 2025-07-01 DOI: 10.1016/j.diii.2025.03.010
Lucia Parlati , Christophe Aubé , Maïté Lewin , Jérôme Boursier , Maxime Ronot , Anita Paisant

Purpose

The diagnosis of liver fibrosis is critical in managing chronic liver diseases. The EASL guidelines now recognize ultrasound elastography as a valuable, non-invasive method for assessing liver fibrosis. However, there is a lack of uniform use and reporting of the technique. The purpose of this position paper was to provide guidance on using ultrasound elastography techniques and interpreting results in clinical practice.

Materials and methods

A French national consensus panel of experts in radiology and hepatology, convened by SIAD (Société d'Imagerie Abdominale et Digestive) and AFEF (Association Française pour l'Etude du Foie), developed a position statement paper on best practices in ultrasound elastography. They were established using an online Delphi methodology that included an online panel discussion and item preparation. Consensus was achieved when ≥ 80 % of the participants agreed with a specific recommendation.

Results

The accuracy and reliability of ultrasound elastography results could be significantly affected by a variety of operator-related and patient-related factors. Standard recommendations have been established in two areas, including recommendations for measurements and factors affecting results and reliability, and guidelines for standardized reporting of ultrasound elastography results.

Conclusion

This position paper is a comprehensive and accessible guide for clinicians that outlines best practices and standardized protocols to improve the reliability of ultrasound elastography assessments.
目的:肝纤维化的诊断是治疗慢性肝病的关键。EASL指南现在承认超声弹性成像是一种有价值的、非侵入性的肝纤维化评估方法。然而,该技术缺乏统一的使用和报告。本立场文件的目的是提供指导使用超声弹性成像技术和解释结果在临床实践。材料和方法:由SIAD(腹消化影像学会)和AFEF(法国鹅肝研究协会)召集的法国放射学和肝病学全国共识专家小组制定了一份关于超声弹性成像最佳实践的立场声明文件。它们采用在线德尔菲方法建立,其中包括在线小组讨论和项目准备。当≥80%的参与者同意某一特定建议时,即达成共识。结果:超声弹性成像结果的准确性和可靠性会受到多种操作者和患者相关因素的显著影响。在两个领域建立了标准建议,包括对测量和影响结果和可靠性的因素的建议,以及超声弹性成像结果标准化报告的指南。结论:本立场文件是临床医生的一个全面和易于理解的指南,概述了最佳实践和标准化协议,以提高超声弹性成像评估的可靠性。
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Diagnostic and Interventional Imaging
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