Reduction of operator radiation exposure using a passive robotic device during fluoroscopy-guided arterial puncture: an experimental study in a swine model [0.03%]
一种用于透视引导下动脉穿刺的被动型机械臂可降低术者辐射暴露:猪模型实验研究
Muhammad Umair Ahmad Khan,Chang-Hwan Yoon,Byung-Ju Yi
Muhammad Umair Ahmad Khan
Background: Vascular interventions imply radiation exposure to the operating physician (OP). To reduce radiation exposure, we propose a novel passive robotic device for fluoroscopy-guided arterial puncturing. ...
Quantification of liver fibrosis: extracellular volume fraction using an MRI bolus-only technique in a rat animal model [0.03%]
基于MRI团注法的肝纤维化量化研究-大鼠动物模型中超胞外容积分数的测定
Julian A Luetkens,Sabine Klein,Frank Träber et al.
Julian A Luetkens et al.
Background: To determine the utility of single-contrast-bolus hepatic extracellular volume (ECV) fraction measurement at different time points to detect and quantify hepatic fibrosis. ...
Microbubbles as a contrast agent in grating interferometry mammography: an ex vivo proof-of-mechanism study [0.03%]
用于光栅干涉乳腺摄影的微气泡造影剂:一种体外机制证明研究
Kristina Lång,Carolina Arboleda,Serafino Forte et al.
Kristina Lång et al.
Grating interferometry mammography (GIM) is an experimental breast imaging method at the edge of being clinically implemented. Besides attenuation, GIM can measure the refraction and scattering of x-rays resulting in differential phase cont...
Automatic segmentation and classification of breast lesions through identification of informative multiparametric PET/MRI features [0.03%]
基于识别有信息量的多参数PET/MRI特征的乳腺病变自动分割和分类
Wolf-Dieter Vogl,Katja Pinker,Thomas H Helbich et al.
Wolf-Dieter Vogl et al.
Background: Multiparametric positron emission tomography/magnetic resonance imaging (mpPET/MRI) shows clinical potential for detection and classification of breast lesions. Yet, the contribution of features for computer-a...
Microcomputed tomography of the femur of diabetic rats: alterations of trabecular and cortical bone microarchitecture and vasculature-a feasibility study [0.03%]
糖尿病大鼠股骨的微观CT观察:小梁骨和皮质骨微结构及血管改变的可行性研究
David Zeitoun,Guavri Caliaperoumal,Morad Bensidhoum et al.
David Zeitoun et al.
Background: To better understand bone fragility in type 2 diabetes mellitus and define the contribution of microcomputed tomography (micro-CT) to the evaluation of bone microarchitecture and vascularisation, we conducted ...
Timing optimization of low-dose first-pass analysis dynamic CT myocardial perfusion measurement: validation in a swine model [0.03%]
低剂量首次通过分析动态CT心肌灌注测量的时间优化:在猪模型中的验证
Logan Hubbard,Shant Malkasian,Yixiao Zhao et al.
Logan Hubbard et al.
Background: Myocardial perfusion measurement with a low-dose first-pass analysis (FPA) dynamic computed tomography (CT) perfusion technique depends upon acquisition of two whole-heart volume scans at the base and peak of ...
Optimisation of ultrasound liver perfusion through a digital reference object and analysis tool [0.03%]
基于数字参考对象和分析工具的超声肝脏灌注优化技术
Ángel Alberich-Bayarri,Jose Tomás-Cucarella,Alfredo Torregrosa-Lloret et al.
Ángel Alberich-Bayarri et al.
Background: Conventional ultrasound (US) provides important qualitative information, although there is a need to evaluate the influence of the input parameters on the output signal and standardise the acquisition for an a...
Respiratory- and cardiac-triggered three-dimensional sheath inked rapid acquisition with refocused echoes imaging (SHINKEI) of the abdomen for magnetic resonance neurography of the celiac plexus [0.03%]
用于腹腔磁共振神经成像的呼吸和心脏触发三维鞘注快速重聚焦回波成像(SHINKEI)以对腹腔神经丛成像
Cyril J Ferrer,Clemens Bos,Masami Yoneyama et al.
Cyril J Ferrer et al.
The visualisation of the celiac plexus using respiratory- and cardiac-triggered three-dimensional (3D) sheath inked rapid acquisition with refocused echoes imaging (SHINKEI) was evaluated. After ethical approval and written informed consent...
Hippocampus subfield volumetry after microsurgical or endovascular treatment of intracranial aneurysms-an explorative study [0.03%]
颅内动脉瘤显微手术或血管内治疗后海马亚区体积变化的探索性研究
Dennis M Hedderich,Tim J Reess,Matthias Thaler et al.
Dennis M Hedderich et al.
Background: To study hippocampus subfield volumes in patients after microsurgical clipping (MC) and/or endovascular coiling (EC) of intracranial aneurysms. ...
Experimental application of an automated alignment correction algorithm for geological CT imaging: phantom study and application to sediment cores from cold-water coral mounds [0.03%]
地质CT成像自动对准校正算法的实验应用:体模研究及冷泉珊瑚丘沉积物芯的应用
Stephan Skornitzke,Jacek Raddatz,André Bahr et al.
Stephan Skornitzke et al.
Background: In computed tomography (CT) quality assurance, alignment of image quality phantoms is crucial for quantitative and reproducible evaluation and may be improved by alignment correction. Our goal was to develop a...