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ABSTRACT


01 diciembre 2016

AMERICAN JOURNAL OF ROENTGENOLOGY. Prospective Comparison of Reduced-Iodine-Dose Virtual Monochromatic Imaging Dataset From Dual-Energy CT Angiography With Standard-Iodine-Dose Single-Energy CT Angiography for Abdominal Aortic Aneurysm

Mukta D. Agrawal, George R. Oliveira, Sanjeeva P. Kalva, Daniella F. Pinho, Ronald S. Arellano and Dushyant V. Sahani

OBJECTIVE. The purpose of this study was to compare the image quality of reduced-iodine-dose single-source dual-energy CT angiography (CTA) with that of standard-iodine-dose single-energy CTA in examinations of patients with abdominal aortic aneurysm and to assess the effect of the concentration of iodinated contrast medium on intravascular enhancement and image quality of reduced-iodine-dose CTA.

01 enero 2017

AMERICAN JOURNAL OF ROENTGENOLOGY. Stereotactic CT-Guided Percutaneous Microwave Ablation of Liver Tumors With the Use of High-Frequency Jet Ventilation: An Accuracy and Procedural Safety Study

Jennie Engstrand, Grzegorz Toporek, Piotr Harbut, Eduard Jonas, Henrik Nilsson and Jacob Freedman

OBJECTIVE. The purpose of the present study is to evaluate the accuracy and safety of antenna placement performed with the use of a CT-guided stereotactic navigation system for percutaneous ablation of liver tumors and to assess the safety of high-frequency jet ventilation for target motion control.

01 enero 2017

AMERICAN JOURNAL OF ROENTGENOLOGY. Efficacy and Safety of Aspiration Sclerotherapy of Simple Hepatic Cysts: A Systematic Review

Titus F. M. Wijnands, Alena P. M. Görtjes, Tom J. G. Gevers, Sjoerd F. M. Jenniskens, Leo J. Schulze Kool, Andrej Potthoff, Maxime Ronot and Joost P. H. Drenth

OBJECTIVE. Aspiration sclerotherapy is a percutaneous procedure indicated for treatment of symptomatic simple hepatic cysts. The efficacy and safety of this procedure have been sources of debate and disagreement for years. The purpose of this study was to assess the long-term efficacy and safety of aspiration sclerotherapy in a systematic review of the literature.

01 enero 2017

AMERICAN JOURNAL OF ROENTGENOLOGY. Real-Time 3D CT Image Guidance for Transjugular Intrahepatic Portosystemic Shunt Creation Using Preoperative CT: A Prospective Feasibility Study of 20 Patients

Xuefeng Luo, Xiaoze Wang, Yin Zhao, Huaiyuan Ma, Linchao Ye, Li Yang, Jiaywei Tsauo, Mingshan Jiang and Xiao Li

OBJECTIVE. The purpose of this study is to prospectively evaluate the feasibility and efficacy of real-time 3D CT image guidance during transjugular intrahepatic portosystemic shunt (TIPS) creation.

01 diciembre 2016

RADIOLOGY. Hepatic Thermal Ablation: Effect of Device and Heating Parameters on Local Tissue Reactions and Distant Tumor Growth

Erik Velez, MDS. Nahum Goldberg, MD Gaurav Kumar, PhD Yuanguo Wang, PhD Svetlana Gourevitch, PhD Jacob Sosna, MD Tyler Moon, BS Christopher L. Brace, PhD Muneeb Ahmed, MD

Purpose: To determine whether variable hepatic microwave ablation (MWA) can induce local inflammation and distant pro-oncogenic effects compared with hepatic radiofrequency ablation (RFA) in an animal model.

01 diciembre 2016

RADIOLOGY. Radiofrequency Ablation, MR Thermometry, and High-Spatial-Resolution MR Parametric Imaging with a Single, Minimally Invasive Device

M. Arcan Ertürk, PhD Shashank Sathyanarayana Hegde, PhD Paul A. Bottomley, PhD

Purpose: To develop and demonstrate in vitro and in vivo a single interventional magnetic resonance (MR)–active device that integrates the functions of precise identification of a tissue site with the delivery of radiofrequency (RF) energy for ablation, high-spatial-resolution thermal mapping to monitor thermal dose, and quantitative MR imaging relaxometry to document ablation-induced tissue changes for characterizing ablated tissue.

01 diciembre 2016

RADIOLOGY. Interventional MR Imaging for Deep-Brain Stimulation Electrode Placement

Thanissara Chansakul, MD Paul N. Chen, Jr, MD, PharmD Thomas C. Lee, MD Travis Tierney, MD, PhD

Purpose: To investigate the safety and targeting errors of deep-brain stimulation (DBS) electrodes placed under interventional magnetic resonance (MR) imaging, which allows near real-time anatomic placement without physiologic mapping.

01 enero 2017

RADIOLOGY. Lung Adenocarcinoma: Predictive Value of KRAS Mutation Status in Assessing Local Recurrence in Patients Undergoing Image-guided Ablation

Etay Ziv, MD, PhD Joseph P. Erinjeri, MD, PhD Hooman Yarmohammadi, MD F. Edward Boas, MD, PhD Elena N. Petre, MD Song Gao, MD Waleed Shady, MD Constantinos T. Sofocleous, MD, PhD David R. Jones, MD Charles M. Rudin, MD, PhD Stephen B. Solomon, MD

Purpose: To establish the relationship between KRAS mutation status and local recurrence after image-guided ablation of lung adenocarcinoma.

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