Vol. 3 No. 2 - June 2017

Tomography is a scientific journal for publication of articles in imaging research

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Advances in Brief 67 Hyperpolarized 13 C Magnetic Resonance Imaging Can Detect Metabolic Changes Characteristic of Penumbra in Ischemic Stroke Yafang Xu, Steffen Ringgaard, Christian Østergaard Mariager, Lotte Bonde Bertelsen, Marie Schroeder, Haiyun Qi, Christoffer Laustsen, and Hans Stødkilde-Jørgensen Research Articles 74 Dynamic Susceptibility Contrast MRI at 7 T: Tail-Scaling Analysis and Inferences About Field Strength Dependence Linda Knutsson, Xiang Xu, Freddy Ståhlberg, Peter B. Barker, Emelie Lind, Pia C. Sundgren, Peter C. M. van Zijl, and Ronnie Wirestam 79 A Robust Method for Estimating B0 Inhomogeneity Field in the Liver by Mitigating Fat Signals and Phase-Wrapping Antonis Matakos, James M. Balter, and Yue Cao 89 Characterizing the Influence of Preload Dosing on Percent Signal Recovery (PSR) and Cerebral Blood Volume (CBV) Measurements in a Patient Population With High-Grade Glioma Using Dynamic Susceptibility Contrast MRI Laura C. Bell, Leland S. Hu, Ashley M. Stokes, Samuel C. McGee, Leslie C. Baxter, and C. Chad Quarles 96 Mask-Adapted Background Field Removal for Artifact Reduction in Quantitative Susceptibility Mapping of the Prostate Sina Straub, Julian Emmerich, Heinz-Peter Schlemmer, Klaus H. Maier-Hein, Mark E. Ladd, Matthias C. Ro¨thke, David Bonekamp, and Frederik B. Laun 101 Evaluating the Sensitivity of Arterial Phase CT Images for Detection of Hepatic GIST Metastases Mikin Patel, Danial Jilani, Aytekin Oto, and Pritesh Patel 105 Language Mapping Using T2-Prepared BOLD Functional MRI in the Presence of Large Susceptibility Artifacts—Initial Results in Patients With Brain Tumor and Epilepsy Jun Hua, Xinyuan Miao, Shruti Agarwal, Chetan Bettegowda, Alfredo Quiñones-Hinojosa, John Laterra, Peter C. M. Van Zijl, James J. Pekar, and Jay J. Pillai 114 Quantitative Image Quality Comparison of Reduced- and Standard-Dose Dual-Energy Multiphase Chest, Abdomen, and Pelvis CT Mario Buty, Ziyue Xu, Aaron Wu, Mingchen Gao, Chelyse Nelson, Georgios Z. Papadakis, Uygar Teomete, Haydar Celik, Baris Turkbey, Peter Choyke, Daniel J. Mollura, Ulas Bagci, and Les R. Folio ® TOMOGRAPHY.ORG VOLUME 3 NUMBER 2 JUNE 2017 COVER ILLUSTRATION In the manuscript by Ulas Bagci et. al., differences in image quality as well as shape and volume of organs between standard and reduced dose chest, abdo- men and pelvis multiphase CT exams were shown to be non-significant. As so- phisticated CT dose reduction techniques are increasingly available, this paper quantitatively shows that reduced dose CT can be used for many CT procedures without compromising the clinical diag- nostic value.

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