Clinical Imaging最新文献

英文中文

Reply: Advancing breast cancer screening through information – Theoretic approaches and AI 回答：通过信息论方法和人工智能推进乳腺癌筛查。

IF 1.8 4区医学 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Clinical Imaging

Pub Date : 2025-02-01 DOI: 10.1016/j.clinimag.2024.110388

Julie Liana Hamzah , Lester Chee Hao Leong

引用次数: 0

Comparative diagnostic accuracy of GPT-4o and LLaMA 3-70b: Proprietary vs. open-source large language models in radiology gpt - 40和LLaMA 3-70b的诊断准确性比较：放射学中专有与开源大型语言模型。

IF 1.8 4区医学 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Clinical Imaging

Pub Date : 2025-02-01 DOI: 10.1016/j.clinimag.2024.110382

David Li , Kartik Gupta , Mousumi Bhaduri , Paul Sathiadoss , Sahir Bhatnagar , Jaron Chong

引用次数: 0

Mechanical clot disruption during pulmonary thromboembolectomy is safe: A propensity score-matched analysis 在肺血栓栓塞切除术中，机械凝块破裂是安全的：倾向评分匹配分析。

IF 1.8 4区医学 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Clinical Imaging

Pub Date : 2025-02-01 DOI: 10.1016/j.clinimag.2024.110381

Shawn Thomas , Ashwin P. Deshmukh , Hamid Mojibian , Angelo G. Marino , Juan Carlos Perez Lozada , Joshua Cornman-Homonoff

Purpose

Aspiration thromboembolectomy is effective for treatment of high and intermediate-high risk pulmonary emboli (PE) but can be challenging when organized thrombus is present. Maceration using an expandable nitinol disk may be useful in these situations, but its safety has not been determined. The purpose of this study was to retrospectively assess the safety of this device when applied in the pulmonary vasculature, using a propensity-score matched group for comparison.

Materials and methods

Inclusion criteria consisted of patients who underwent PE thromboembolectomy within a single healthcare system between December 2020 and December 2022 and subsequently underwent suction thromboembolectomy in which the nitinol disk was used. A comparator group was generated from the remaining patients who underwent conventional PE thromboembolectomy by performing one-to-one propensity-score matching based on age, PE risk category, and sPESI score.

Results

Out of a total of 164 patients who underwent pulmonary thromboembolectomy during the study period, the disk was utilized in 28. The disk was used in the left pulmonary artery in nearly 80 % of patients and in the right pulmonary artery in less than 40 %. Initial, final, and change in mean pulmonary artery pressures were not significantly different between groups. Similarly, mean duration of hospitalization, number of complications, and 30-day mortality rate did not differ.

Conclusion

Use of a nitinol disk during pulmonary thromboembolectomy is safe despite administration of anticoagulation. Clinical effectiveness remains to be determined.

目的：吸入性血栓栓塞切除术是治疗高、中高风险肺栓塞（PE）的有效方法，但当存在有组织血栓时，则具有挑战性。在这些情况下，使用可膨胀镍钛诺磁盘浸渍可能是有用的，但其安全性尚未确定。本研究的目的是回顾性评估该装置应用于肺血管系统时的安全性，使用倾向评分匹配组进行比较。材料和方法：纳入标准包括在2020年12月至2022年12月期间在单一医疗保健系统内接受PE血栓栓塞切除术并随后使用镍钛诺盘进行吸力血栓栓塞切除术的患者。通过基于年龄、PE风险类别和sPESI评分进行一对一倾向评分匹配，从其余接受常规PE血栓切除术的患者中产生一个比较组。结果：在研究期间接受肺血栓栓塞切除术的164例患者中，有28例使用了椎间盘。近80%的患者将椎间盘用于左肺动脉，不到40%的患者将椎间盘用于右肺动脉。初始、最终和平均肺动脉压变化在两组间无显著差异。同样，平均住院时间、并发症数量和30天死亡率也没有差异。结论：在肺血栓切除术中使用镍钛诺圆盘是安全的，尽管有抗凝治疗。临床效果仍有待确定。

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引用次数: 0

Evaluation of aortic stent endoleaks in the renally impaired patient with ferumoxytol-enhanced MR angiography 阿魏木糖醇增强MR血管造影对肾功能受损患者主动脉支架内漏的评价。

IF 1.8 4区医学 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Clinical Imaging

Pub Date : 2025-02-01 DOI: 10.1016/j.clinimag.2024.110383

Logan Hubbard, Sipan Mathevosian, Takegawa Yoshida, Cameron Hassani, Mohammad H Jalili, J. Paul Finn, Arash Bedayat

Purpose

To evaluate ferumoxytol-enhanced magnetic resonance angiography (FE-MRA) for assessment of endoleaks in patients with abdominal aortic aneurysms (AAA) and chronic kidney disease (CKD) status post endovascular aneurysm repair (EVAR).

Methods

Of 1854 patients who underwent FE-MRA at a single institution between 03/21/2014 and 08/21/2023, 21 patients with a history of AAA and CKD status post EVAR were retrospectively identified (IRB #13-001341). Multiplanar pre- and post-contrast HASTE, T1-VIBE, and high-resolution breath-held 3D MRA sequences were obtained, where a dose of 4 mg/kg of Ferumoxytol was infused over six minutes. All examinations were performed on either a Siemens 3.0 T Prisma Fit, a Siemens 3.0 T TIM Trio, or a Siemens 1.5 T Avanto MRI scanner. Image post-processing was performed using OsiriX and Vitrea software for endoleak identification and display.

Results

Twenty-six FE-MRA examinations were completed, where 24 were fully diagnostic and 2 were limited by metal artifact. Three patients underwent one follow-up examination, while one patient underwent two follow-up examinations. Endoleaks were identified in seven patients: one Type Ia, two Type Ib, and four Type II. The Type Ia endoleak patient received follow-up imaging two years after initial imaging. A Type II endoleak patient received follow-up imaging six months and one year after initial imaging. In both cases, the Type I and Type II endoleaks were reproducibly visualized. No contrast reactions occurred.

Conclusion

For patients with a history of AAA and CKD status post EVAR, FE-MRA is a safe, practical and effective imaging solution for evaluation of Type I and Type II endoleaks.

目的：评估铁氧体增强磁共振血管造影（FE-MRA）在评估腹主动脉瘤（AAA）患者内漏和血管内动脉瘤修补术（EVAR）后慢性肾病（CKD）状态方面的应用：在2014年3月21日至2023年8月21日期间，在一家机构接受FE-MRA检查的1854名患者中，回顾性地确定了21名有AAA病史和EVAR术后有慢性肾脏病（CKD）的患者（IRB #13-001341）。在六分钟内输注 4 毫克/千克 Ferumoxytol 的剂量后，获得了多平面对比前后 HASTE、T1-VIBE 和高分辨率呼吸保持三维 MRA 序列。所有检查均在西门子 3.0 T Prisma Fit、西门子 3.0 T TIM Trio 或西门子 1.5 T Avanto MRI 扫描仪上进行。使用 OsiriX 和 Vitrea 软件进行图像后处理，以识别和显示内漏：完成了 26 次 FE-MRA 检查，其中 24 次完全确诊，2 次受到金属伪影的限制。三名患者接受了一次随访检查，一名患者接受了两次随访检查。在七名患者中发现了内漏：一名 Ia 型，两名 Ib 型，四名 II 型。Ia 型内漏患者在初次成像两年后接受了随访成像。一名 II 型内漏患者在初次成像六个月和一年后接受了随访成像。在这两个病例中，Ⅰ型和Ⅱ型内漏均可重复观察到。结论：对于 EVAR 后有 AAA 病史和 CKD 状态的患者，FE-MRA 是评估 I 型和 II 型内漏的一种安全、实用和有效的成像解决方案。

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引用次数: 0

Inclusive AI for radiology: Optimising ChatGPT-4 with advanced prompt engineering 放射学包容性人工智能：利用先进的即时工程优化ChatGPT-4。

IF 1.8 4区医学 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Clinical Imaging

Pub Date : 2025-02-01 DOI: 10.1016/j.clinimag.2024.110385

Juhi Yasmeen , Md. Tauseef Qamar , Subuhi Yasmeen

This letter responds to the article “Encouragement vs. liability: How prompt engineering influences ChatGPT-4's radiology exam performance,” offering additional perspectives on optimising ChatGPT-4 for Radiology applications. While the study highlights the significance of prompt engineering, we suggest that addressing additional key challenges such as age-related diagnostic needs, socio-economic diversity, data security, and liability concerns is essential for responsible AI integration. Incorporating adaptive prompts, training the model on diverse datasets, and securely integrating it with electronic health records (EHRs) can enhance its reliability and inclusiveness. By balancing prompt design with privacy and accountability frameworks, ChatGPT-4 can become a more effective tool in radiology, aiding clinicians without compromising human oversight.

这封信回应了文章“鼓励与责任：及时的工程如何影响ChatGPT-4的放射学考试成绩”，提供了优化ChatGPT-4放射学应用的其他观点。虽然该研究强调了快速工程的重要性，但我们建议解决其他关键挑战，如与年龄相关的诊断需求、社会经济多样性、数据安全和责任问题，对于负责任的人工智能集成至关重要。结合自适应提示、在不同数据集上训练模型，并将其与电子健康记录（EHRs）安全地集成，可以增强其可靠性和包容性。通过平衡即时设计与隐私和问责框架，ChatGPT-4可以成为放射学中更有效的工具，在不损害人类监督的情况下帮助临床医生。

引用次数: 0

Evaluating proprietary vs. open-source LLMs in radiology: Insights and future directions from the ChatGPT perspective 评估放射学中的专有法学硕士与开源法学硕士：从ChatGPT角度的见解和未来方向。

IF 1.8 4区医学 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Clinical Imaging

Pub Date : 2025-02-01 DOI: 10.1016/j.clinimag.2024.110393

Gunjan Ansari , Zaheer Kareem Ansari , Shahab Saquib Sohail , Dag Øivind Madsen

引用次数: 0

Left ventricular wall thickness discrepancies at end-diastole and mid-diastole: Reference values for cardiac CT 舒张末期和舒张中期左心室壁厚度差异：心脏CT的参考值。

IF 1.8 4区医学 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Clinical Imaging

Pub Date : 2025-02-01 DOI: 10.1016/j.clinimag.2024.110390

Jiao Chen, Dan Zhao, Mengyu Xie, Jinqiu Wang, Chao Chen, Jinwen Wu, Ying Zhou

Purpose

To investigate differences in left ventricular wall thickness (LVWT) measurements between end-diastole and mid-diastole using cardiac computed tomography (CCT) and establish LVWT reference values stratified by phase, sex, and region.

Methods

Subjects who underwent CCT without a history of cardiovascular disease or risk factors were retrospectively included between 2021 and 2024. LVWT was manually measured in each segment according to the American Heart Association's 17-segment model at end-diastole and mid-diastole. Regional LVWT was calculated as the average value of relevant segments.

Results

The study included 187 subjects with a mean age of 51 ± 11 years, including 77 (41 %) men. Global LVWT was lower at end-diastole than at mid-diastole (5.7 ± 0.8 vs. 6.5 ± 0.9 mm, P < 0.001). Each segmental LVWT correlated significantly between end-diastole and mid-diastole (Pearson's correlation coefficient: 0.79–0.87). Segment 2 was thickest (8.1 ± 1.5 mm at end-diastole and 9.1 ± 1.7 mm at mid-diastole). LVWT was greater in men than in women (all P < 0.001). The upper limits of LVWT were 9.9 mm for women and 11.7 mm for men at end-diastole, and 11.8 mm for women and 13.1 mm for men at mid-diastole. LVWT progressively thinned from the base to the apex. Apical LVWT measured on short-axis and long-axis showed a small but statistically significant difference, particularly in Segment 16.

Conclusion

This study provides CCT reference values for LVWT at end-diastole and mid-diastole. Mid-diastolic LVWT was slightly greater than end-diastolic LVWT, with a statistically significant difference. Normal LVWT was greater in men than in women, with regional variations observed in both phases.

目的：利用心脏计算机断层扫描（CCT）研究舒张末期和舒张中期左室壁厚度（LVWT）测量的差异，并建立按阶段、性别和地区分层的LVWT参考值。方法：回顾性纳入2021年至2024年间无心血管疾病史或危险因素的CCT受试者。根据美国心脏协会舒张末期和舒张中期的17段模型，人工测量每段LVWT。区域LVWT计算为相关片段的平均值。结果：共纳入187例患者，平均年龄51±11岁，其中男性77例（41%）。整体LVWT在舒张末期低于舒张中期（5.7±0.8 vs 6.5±0.9 mm， P）。结论：本研究提供了舒张末期和舒张中期LVWT的CCT参考值。舒张中期LVWT略大于舒张末期LVWT，差异有统计学意义。正常LVWT在男性中大于女性，在两个阶段观察到区域差异。

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引用次数: 0

Ossification patterns of the C1 (atlas) and C2 (axis) vertebrae children 儿童C1（寰椎）和C2（轴椎）的骨化模式。

IF 1.8 4区医学 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Clinical Imaging

Pub Date : 2025-02-01 DOI: 10.1016/j.clinimag.2024.110395

Mehmet Cingoz , Mostafa Shehata , Burak Kandemirli , Eda Cingoz

Purpose

This retrospective study aimed to assess ossification patterns and synchondrosis fusion timelines of the C1 and C2 vertebrae in pediatric age group, to help differentiate injuries from normal variations and serve as a guide when evaluating incompletely fused synchondrosis.

Materials and methods

The study analyzed 432 CT examinations of children aged 0–72 months, conducted at a single institution between January 2010 and January 2018. The focus was assessment of the visibility and fusion of the three ossification centers and three synchondroses of the atlas, and six ossification centers and four synchondroses of the axis, based on age.

Results

Complete ossification of the anterior arch of the atlas was observed in 60.4 % of patients, increasing with age from 11.1 % in the 0–12 months age group to 97.3 % in the 61–72 months age group. Patency of the ventrolateral synchondrosis of the atlas decreased from 100 % in the 0–12 months age group to around 30 % in the 61–72 months age group. Subdental synchondrosis and neurocentral synchondrosis of the axis were patent in 47.0 % and 50.6 % of patients, respectively, both decreasing with age. The apicodental synchondrosis of the axis remained mostly patent (98.1 %). Overall, there was a trend of decreasing patency in synchondroses and increasing ossification with advancing age.

Conclusion

These findings provide a better understanding of normal ossification patterns and timelines, facilitating the accurate distinction between normal variations and traumatic injuries.

目的：本回顾性研究旨在评估儿童年龄组C1和C2椎体骨化模式和软骨联合融合时间线，以帮助区分损伤与正常变化，并作为评估不完全融合软骨联合的指导。材料和方法：本研究分析了2010年1月至2018年1月在一家机构进行的432例0-72个月儿童的CT检查。重点是评估寰椎的三个骨化中心和三个联合软骨的可见性和融合，以及轴的六个骨化中心和四个联合软骨，基于年龄。结果：60.4%的患者寰椎前弓完全骨化，随着年龄的增长，从0-12月龄组的11.1%增加到61-72月龄组的97.3%。寰椎腹外侧联合软骨的通畅度从0-12月龄组的100%下降到61-72月龄组的30%左右。牙下软骨联合症和中轴神经中枢软骨联合症分别为47.0%和50.6%，均随年龄增长而降低。轴端尖突软骨联合大部分未愈合（98.1%）。总的来说，随着年龄的增长，联合软骨的开放程度降低，骨化程度增加。结论：这些发现提供了对正常骨化模式和时间线的更好理解，有助于准确区分正常变异和创伤性损伤。

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引用次数: 0

Advancing breast cancer screening through information-theoretic approaches and AI 通过信息论方法和人工智能推进乳腺癌筛查。

IF 1.8 4区医学 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Clinical Imaging

Pub Date : 2025-02-01 DOI: 10.1016/j.clinimag.2024.110384

Sultan Alam

引用次数: 0

Corrigendum to “Comprehensive multimodality imaging review of reproductive interventions and their complications” [Clin. Imaging (December 2024) 110312] “生殖干预及其并发症的综合多模态影像学回顾”的勘误表[临床。成像（2024年12月）110312]。

IF 1.8 4区医学 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Clinical Imaging

Pub Date : 2025-02-01 DOI: 10.1016/j.clinimag.2024.110387

Michelle Lee, Kira Melamud, Robert Petrocelli, Chrystia Slywotzky, Vinay Prabhu

引用次数: 0

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