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Anomalous Origins of the Bilateral Vertebral Arteries Arising from the Aortic Arch: A Case Report

Park C, Lee BH

Various anomalous origins of the vertebral arteries (VAs) have been reported. However, anomalous origins of the bilateral VAs arising directly from the aortic arch are extremely rare. We encountered a...
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CT Assessment of Myocardial Perfusion and Fractional Flow Reserve in Coronary Artery Disease: A Review of Current Clinical Evidence and Recent Developments

Yun CH, Hung CL, Wen MS, Wan YL, So A

Coronary computed tomography angiography (CCTA) is routinely used for anatomical assessment of coronary artery disease (CAD). However, invasive measurement of fractional flow reserve (FFR) is the current gold standard for...
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In Vivo Detection of Lipid-Core Plaques by Coronary CT Angiography: A Head-to-Head Comparison with Histologic Findings

Yin WH, Zhang Y, Li XN, Wang HY, An YQ, Sun Y, Hou ZH, Gao Y, Lu B, Zheng Z

OBJECTIVE: We sought to distinguish lipid plaques using a CT quantitative pixel density histogram, based on the pathological diagnosis of lipid cores as the gold standard. MATERIALS AND METHODS: Eight patients...
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Congenital portal vein aplasia with portocaval shunting in two dogs

Two dogs presented with vomiting and head pressing. In both dogs, a large vessel was revealed in computed tomography (CT) angiography, which was found to leave the portal vein (PV)...
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Subclinical Coronary Atherosclerosis: Implication of Coronary Computed Tomography Angiography Findings among Statin Candidates according to the 2013 ACC/AHA Cholesterol Management Guidelines

Seo J, Choi SI, Kim YK

OBJECTIVE: To analyze the cardiovascular outcome of statin medication in individuals retrospectively categorized on the basis of the 2013 American College of Cardiology and American Heart Association (ACC/AHA) guidelines risk...
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Modified Subtraction Coronary CT Angiography with a Two-Breathhold Technique: Image Quality and Diagnostic Accuracy in Patients with Coronary Calcifications

Guo W, Tripathi P, Yang S, Qian J, Rai B, Zeng M

OBJECTIVE: To evaluate a modified subtraction coronary computed tomography angiography (CCTA) technique with a two-breathhold approach in terms of image quality and stenosis grading of calcified coronary segments and in...
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Diagnosis and Management of Isolated Superior Mesenteric Artery Dissection: A Systematic Review and Meta-Analysis

Ullah W, Mukhtar M, Abdullah H, Ur Rashid , Ahmad A, Hurairah A, Sarwar U, Figueredo

The objective of this study was to analyze the three different management modalities for isolated superior mesenteric artery (SMA) dissection. We did a comprehensive literature search and found 703 articles...
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Intravenous Leiomyomatosis Extending from the Uterus to the Heart

Mohd Yusof M, Awang Ramli KA, Yahaya Z, Ghapar AK, Mohamed Dani N, Ismail H, Muhammad Nor MA, Leman H, Mohammed Y

We report a case of intravenous leiomyomatosis with right atrium extension through the left gonadal vein, left renal vein and inferior vena cava. The tumor moved in and out of...
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Complex Coronary Cameral Fistulas Evaluated by Multi-Detector CT Angiography: A Report of Three Rare Cases and a Review of the Literature

Sabarish S, Kanimozhi , Nagarajan

Congenital anomalies involving termination of a coronary artery and a fistulous communication with any cardiac chamber, pulmonary artery/vein, superior vena cava, or coronary sinus are defined as coronary cameral fistulas....
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Ideal Bolus Geometry Predicted from In vitro Pulsatile Flow Phantom and Artificial Neural Networks for the Optimization of Image Acquisition Protocols for Aortic Contrast-Enhanced Computed Tomography Angiography

Youn SW, Kwon J, Kim J, Park J, Ahn D, Lee J

OBJECTIVE: This study sought to explore the novel use of artificial neural networks (ANNs) to develop a contrast-enhanced computed tomography (CT) angiographic (CECTA) protocol based on ideal bolus geometry. MATERIALS AND...
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Coronary-to-Pulmonary Artery Fistula in Adults: Natural History and Management Strategies

Kim H, Beck KS, Choe YH, Jung JI

OBJECTIVE: To evaluate the natural course of coronary-to-pulmonary artery fistula (CPAF) detected on coronary computed tomography angiography (CCTA) and to propose potential treatment strategies. MATERIALS AND METHODS: In this retrospective multicenter...
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Optimal Monochromatic Imaging of Spectral Computed Tomography Potentially Improves the Quality of Hepatic Vascular Imaging

Yin XP, Gao BL, Li CY, Zhou H, Zhao L, Zheng YT, Zhao YX

OBJECTIVE: To investigate the efficiency of spectral computed tomography (CT) optimal monochromatic images in improving imaging quality of liver vessels. MATERIALS AND METHODS: The imaging data of 35 patients with abdominal...
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Effect of Patient Characteristics on Vessel Enhancement at Lower Extremity CT Angiography

Masuda T, Nakaura T, Funama Y, Sato T, Higaki T, Kiguchi M, Yamashita , Imada N, Awai K

OBJECTIVE: To evaluate the effect of patient characteristics on popliteal aortic contrast enhancement at lower extremity CT angiography (LE-CTA) scanning. MATERIALS AND METHODS: Prior informed consent to participate was obtained from...
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Popliteal Artery Agenesis Detected by CT Angiography

Park JC, Jung GS, Kwon SK

Variations in the popliteal artery and its tibial branches are common and have assumed greater importance with the technological advances that have made below-knee interventional revascularization feasible. The authors report...
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Relationship between coronary atherosclerosis in coronary computed tomography angiography and serum vitamin D level

Lee AY, Kim JK, Kang JH, Yu BY, Kim SJ

OBJECTIVES: Vitamin D deficiency has been shown to influence the development of some cardiovascular disease. In this study, the association between the existence of coronary artery plaque and vitamin D...
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Diagnostic Performance of Coronary CT Angiography, Stress Dual-Energy CT Perfusion, and Stress Perfusion Single-Photon Emission Computed Tomography for Coronary Artery Disease: Comparison with Combined Invasive Coronary Angiography and Stress Perfusion Cardiac MRI

Chung HW, Ko SM, Hwang HK, So Y, Yi JG, Lee EJ

OBJECTIVE: To investigate the diagnostic performance of coronary computed tomography angiography (CCTA), stress dual-energy computed tomography perfusion (DE-CTP), stress perfusion single-photon emission computed tomography (SPECT), and the combinations of CCTA...
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Variations in the Origin of Inferior Phrenic Arteries and Their Relationship to Celiac Axis Variations on CT Angiography

Aslaner R, Pekcevik Y, Sahin H, Toka O

OBJECTIVE: Knowing the origin of the inferior phrenic artery (IPA) is important prior to surgical interventions and interventional radiological procedures related to IPA. We aimed to identify variations in the...
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The Expanding Role of Computed Tomography Angiography in the Evaluation of Atherosclerotic Coronary Artery Disease

Yoo SM, Lee HY, Kim SM, Yang DH, Jung JI, White CS

Atherosclerotic coronary artery disease (CAD) is a leading cause of morbidity and mortality globally. Because of its remarkable technological advances, a coronary computed tomography angiography (CTA) is now a crucial...
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High-Pitch Coronary CT Angiography at 70 kVp Adopting a Protocol of Low Injection Speed and Low Volume of Contrast Medium

Feng R, Tong J, Liu X, Zhao Y, Zhang L

OBJECTIVE: To evaluate the feasibility and image quality (IQ) of prospectively high-pitch coronary CT angiography (CCTA) with low contrast medium injection rate at 70 kVp. MATERIALS AND METHODS: One hundred and...
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Carotid Ultrasonography vs. CT or MR Angiography in the Diagnosis of the Stenosis of Vertebral Artery Origins

Lee JE, Jung HY, Kang IW, Cho AH

BACKGROUND: The origin of the vertebral artery (VA) is prone to be misinterpreted as having focal stenosis on computed tomography angiography (CTA) or magnetic resonance angiography (MRA) due to artifacts....
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