01 agosto 2016

AMERICAN JOURNAL OF ROENTGENOLOGY. Mandatory Assignment of Modified Wells Score Before CT Angiography for Pulmonary Embolism Fails to Improve Utilization or Percentage of Positive Cases

Glenn K. Geeting, Michael Beck, Michael A. Bruno, Rickhesvar P. Mahraj, Gregory Caputo, Christopher DeFlitch and Christopher S. Hollenbeak

OBJECTIVE. The objective of our study was to determine the impact of embedding a pretest probability rule that is required during the computerized physician order-entry (CPOE) process on the appropriateness of CT angiography (CTA) of the pulmonary arteries for the diagnosis of pulmonary embolism (PE) in the emergency department (ED).

01 julio 2016

AMERICAN JOURNAL OF ROENTGENOLOGY. Percutaneous Cryoablation of Extraabdominal Desmoid Tumors: A 10-Year Experience

John J. Schmitz, Grant D. Schmit, Thomas D. Atwell, Matthew R. Callstrom, Anil N. Kurup, Adam J. Weisbrod and Jonathan M. Morris

OBJECTIVE. Extraabdominal desmoid (EAD) tumors pose a therapeutic challenge because they often recur locally and behave aggressively. Accepted management options include surgery, radiation, chemotherapy, and observation. The objective of this study was to assess the safety and efficacy of percutaneous cryoablation for the treatment of EAD tumors.

01 septiembre 2016

RADIOLOGY. Correlation of Doxorubicin Delivery and Tumor Necrosis after Drug-eluting Bead Transarterial Chemoembolization of Rabbit VX2 Liver Tumors

Ron C. Gaba, MD , Rajyasree Emmadi, MD , Ahmad Parvinian, MD , Leigh C. Casadaban, MD, MS

Purpose: To quantify the correlation between doxorubicin (DOX) delivery and tumor necrosis after drug-eluting bead (DEB) transarterial chemoembolization (TACE).

01 septiembre 2016

RADIOLOGY. Colorectal Cancer Liver Metastases: Diagnostic Performance and Prognostic Value of PET/MR Imaging

Dong Ho Lee, MD, Jeong Min Lee, MD, Bo Yun Hur, MD, Ijin Joo, MD, Nam-Joon Yi, MD, Kyung-Suk Suh, MD, Keon Wook Kang, MD, Joon Koo Han, MD

Purpose: To evaluate the diagnostic performance of combined positron emission tomography (PET) and magnetic resonace (MR) imaging (hereafter, PET/MR imaging) in the detection of liver metastases and to assess its prognostic value in patients with colorectal cancer liver metastases (CRLMs).

01 septiembre 2016

RADIOLOGY. Colorectal Cancer Liver Metastases: Biopsy of the Ablation Zone and Margins Can Be Used to Predict Oncologic Outcome

Vlasios S. Sotirchos, MD, Lydia M. Petrovic, MD, Mithat Gönen, PhD, David S. Klimstra, MD, Richard K. G. Do, MD, PhD, Elena N. Petre, MD, Alessandra R. Garcia, BA, Afsar Barlas, MD, Joseph P. Erinjeri, MD, PhD, Karen T. Brown, MD, Anne M. Covey, MD, William Alago, MD, Lynn A. Brody, MD, Ronald P. DeMatteo, MD, Nancy E. Kemeny, MD, Stephen B. Solomon, MD, Katia O. Manova-Todorova, PhD, Constantinos T. Sofocleous, MD, PhD

Purpose: To establish the prognostic value of biopsy of the central and marginal ablation zones for time to local tumor progression (LTP) after radiofrequency (RF) ablation of colorectal cancer liver metastasis (CLM).

01 septiembre 2016

RADIOLOGY. CT Angiography of the Aorta: Prospective Evaluation of Individualized Low-Volume Contrast Media Protocols

Kai Higashigaito, MD, Tabea Schmid, MD, Gilbert Puippe, MD, EBIR, Fabian Morsbach, MD, Mario Lachat, MD, Burkhardt Seifert, PhD, Thomas Pfammatter, MD, EBIR, Hatem Alkadhi, MD, MPH, EBCR, Daniela B. Husarik, MD

Purpose: To prospectively develop individualized low-volume contrast media (CM) protocols adapted to tube voltage in patients undergoing computed tomographic (CT) angiography of the aorta.

01 agosto 2016

RADIOLOGY. Assessment of Functional Differences in Malignant and Benign Breast Lesions and Improvement of Diagnostic Accuracy by Using US-guided Diffuse Optical Tomography in Conjunction with Conventional US

Quing Zhu, PhD, Andrew Ricci, Jr, MD, Poornima Hegde, MD, Mark Kane, MD, Edward Cronin, MD, Alex Merkulov, MD, Yan Xu, PhD, Behnoosh Tavakoli, PhD, Susan Tannenbaum, MD

Purpose: To investigate ultrasonography (US)-guided diffuse optical tomography to distinguish the functional differences of hemoglobin concentrations in a wide range of malignant and benign breast lesions and to improve breast cancer diagnosis in conjunction with conventional US.

01 agosto 2016

RADIOLOGY. Irreversible Electroporation versus Radiofrequency Ablation: A Comparison of Local and Systemic Effects in a Small-Animal Model

Baruch E. Bulvik, PhD, Nir Rozenblum, PhD, Svetlana Gourevich, BSc, Muneeb Ahmed, MD, Alexander V. Andriyanov, MSc, Eithan Galun, MD, S. Nahum Goldberg, MD

Purpose: To compare both periablational and systemic effects of two mechanistically different types of ablation: thermal radiofrequency (RF) ablation and electroporative ablation with irreversible electroporation (IRE) in appropriately selected animal models.

01 agosto 2016

RADIOLOGY. Antitumoral Effect of Sunitinib-eluting Beads in the Rabbit VX2 Tumor Model

Pierre Bize, MD, Rafael Duran, MD, Katrin Fuchs, PharmD, Olivier Dormond, MD, PhD, Julien Namur, MS, Laurent A. Decosterd, MD, Olivier Jordan, PhD, Eric Doelker, PhD, Alban Denys, MD

Purpose: To measure plasmatic sunitinib concentration (PSC) and intratumoral sunitinib concentration (ITSC) after transcatheter arterial chemoembolization (TACE) with two different sizes of sunitinib-eluting beads (SEBs) in rabbits with VX2 hepatic allografts and to investigate treatment effects on vascular endothelial growth factor receptor type 2 (VEGFR2) phosphorylation, tumor volume, and histopathologic changes.

01 agosto 2016

RADIOLOGY. Hepatocellular Carcinoma within Milan Criteria: No-Touch Multibipolar Radiofrequency Ablation for Treatment—Long-term Results

Olivier Seror, MD, PhD, Gisèle N’Kontchou, MD, Jean-Charles Nault, MD, Yacine Rabahi, MD, Pierre Nahon, MD, PhD, Nathalie Ganne-Carrié, MD, PhD, Véronique Grando, MD, Nora Zentar, MD, Michel Beaugrand, MD, Jean-Claude Trinchet, MD, PhD, Abou Diallo, MD, Nicolas Sellier, MD

Purpose: To assess the long-term outcome in 108 consecutive patients treated with no-touch multibipolar radiofrequency ablation (RFA) for hepatocellular carcinoma (HCC) that met the Milan criteria.

01 agosto 2016

RADIOLOGY. Early Liver Failure after Transjugular Intrahepatic Portosystemic Shunt in Patients with Cirrhosis with Model for End-Stage Liver Disease Score of 12 or Less: Incidence, Outcome, and Prognostic Factors

Angelo Luca, MD, Roberto Miraglia, MD, Luigi Maruzzelli, MD, Mario D’Amico, MD, Fabio Tuzzolino, PhD

Purpose: To evaluate the incidence, outcomes, and prognostic factors of early liver failure (ELF) after transjugular intrahepatic portosystemic shunt (TIPS) creation in patients with cirrhosis with Model for End-Stage Liver Disease (MELD) score of 12 or less.

01 agosto 2016

RADIOLOGY. Prospective Study of Transcatheter Arterial Chemoembolization (TACE) with Ginsenoside Rg3 versus TACE Alone for the Treatment of Patients with Advanced Hepatocellular Carcinoma

Bo Zhou, MD, Zhiping Yan, MD, Rong Liu, MD, Peng Shi, MM, Sheng Qian, MB, Xudong Qu, MD, Liang Zhu, MM, Wei Zhang, MD, Jianhua Wang, MD

Purpose: To conduct a single-center, open-label, randomized, controlled trial to compare the effectiveness and safety of (a) ginsenoside Rg3 combined with transcatheter arterial chemoembolization (TACE) and (b) TACE alone in patients with advanced hepatocellular carcinoma (HCC).

01 agosto 2016

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. REcanalisation and Balloon-Oriented Puncture for Re-Insertion of Dialysis Catheter in Nonpatent Central Veins (REBORN)

Chow Wei Too, Raza Sayani, Elvin Yuan Ting Lim, Sum Leong, Apoorva Gogna, Terence K. Teo

Purpose: To describe a technique involving REcanalisation and Balloon-Oriented puncture for Re-insertion of dialysis catheter in Nonpatent central veins (REBORN) and to report long-term results.

01 agosto 2016

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. Diagnostic Ability of Percutaneous Needle Biopsy Immediately After Radiofrequency Ablation for Malignant Lung Tumors: An Initial Experience

Takaaki Hasegawa, Chiaki Kondo, Yozo Sato, Yoshitaka Inaba, Hidekazu Yamaura, Mina Kato, Shinichi Murata, Yui Onoda, Hiroaki Kuroda, Yukinori Sakao, Yasushi Yatabe

Purpose: To evaluate the safety and diagnostic ability of percutaneous needle biopsy performed immediately after lung radiofrequency ablation (RFA).

01 agosto 2016

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. First Human Experience with Directly Image-able Iodinated Embolization Microbeads

Elliot B. Levy, Venkatesh P. Krishnasamy, Andrew L. Lewis, Sean Willis, Chelsea Macfarlane, Victoria Anderson, Imramsjah MJ van der Bom, Alessandro Radaelli, Matthew R. Dreher, Karun V. Sharma, Ayele Negussie, Andrew S. Mikhail, Jean-Francois H. Geschwind, Bradford J. Wood

Purpose: To describe first clinical experience with a directly image-able, inherently radio-opaque microspherical embolic agent for transarterial embolization of liver tumors.