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Journal of Thoracic Imaging

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https://www.readbyqxmd.com/read/28060191/palla-and-westermark-signs
#1
Daniel Seung-Hun Lee, Hoang-Anh Vo, Arie Franco, Jayanth Keshavamurthy, Eran Rotem
No abstract text is available yet for this article.
March 22, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28266961/thoracic-manifestations-of-klippel-trenaunay-syndrome
#2
Mark M Hammer, Wallace T Miller
Klippel-Trenaunay syndrome (KTS) is a congenital disorder characterized by venous malformations and a predisposition to pulmonary embolism. We reviewed the imaging findings of 7 adult patients with KTS who underwent thoracic CT. While the superficial manifestations of KTS predominantly affect the extremities, patients frequently develop abnormalities of the pulmonary arterial system, particularly chronic thromboembolic pulmonary hypertension. Additionally, some patients are seen to develop pulmonary arteriolar aneurysms; the physiologic significance of this finding is unknown at this time...
March 6, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28221241/hyperpolarized-helium-3-diffusion-weighted-magnetic-resonance-imaging-detects-abnormalities-of-lung-structure-in-children-with-bronchopulmonary-dysplasia
#3
Lucia Flors, John P Mugler, Alix Paget-Brown, Deborah K Froh, Eduard E de Lange, James T Patrie, Talissa A Altes
PURPOSE: The aim of the study was to determine whether hyperpolarized He diffusion-weighted magnetic resonance imaging detects abnormalities in the lungs in children with bronchopulmonary dysplasia (BPD) as compared with age-matched normal children. MATERIALS AND METHODS: All experiments were compliant with Health Insurance Portability and Accountability Act (HIPAA) and performed with Food and Drug Administration approval under an IND application. The protocol was approved by our Institutional Review Board, and written informed consent was obtained...
February 17, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28198752/monoenergetic-dual-energy-computed-tomographic-imaging-cardiothoracic-applications
#4
Lukas Lenga, Moritz H Albrecht, Ahmed E Othman, Simon S Martin, Doris Leithner, Tommaso D'Angelo, Christophe Arendt, Jan-Erik Scholtz, Carlo N De Cecco, U Joseph Schoepf, Thomas J Vogl, Julian L Wichmann
Monoenergetic imaging is an increasingly used reconstruction technique in postprocessing of dual-energy computed tomography (DECT). The main advantage of this technique is the ability to substantially increase image contrast of structures with uptake of iodinated contrast material. Although monoenergetic imaging was mainly used in oncological DECT applications, recent research has further demonstrated its role in vascular imaging. Using this dedicated postprocessing algorithm, image contrast of vascular structures in the thorax can be increased, a drastic reduction of contrast material is feasible, and even beam-hardening artifacts can be reduced...
February 14, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28060193/imaging-in-chronic-thromboembolic-pulmonary-hypertension
#5
Rahul D Renapurkar, Sankaran Shrikanthan, Gustavo A Heresi, Charles T Lau, Deepa Gopalan
Chronic thromboembolic pulmonary hypertension (CTEPH) is one of the potentially curable causes of pulmonary hypertension and is definitively treated with pulmonary thromboendartectomy. CTEPH can be overlooked, as its symptoms are nonspecific and can be mimicked by a wide range of diseases that can cause pulmonary hypertension. Early diagnosis of CTEPH and prompt evaluation for surgical candidacy are paramount factors in determining future outcomes. Imaging plays a central role in the diagnosis of CTEPH and patient selection for pulmonary thromboendartectomy and balloon pulmonary angioplasty...
January 2, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28060192/imaging-of-the-lungs-in-organ-donors-and-its-clinical-relevance-a-retrospective-analysis
#6
Gracijela Bozovic, Catharina Adlercreutz, Peter Höglund, Isabella Björkman-Burtscher, Peter Reinstrup, Richard Ingemansson, Cornelia Schaefer-Prokop, Roger Siemund, Mats Geijer
PURPOSE: The aim of the study was to retrospectively evaluate the diagnostic imaging that potential lung donors undergo, the reader variability of image interpretation and its relevance for donation, and the potential information gained from imaging studies not primarily intended for lung evaluation but partially including them. MATERIALS AND METHODS: Bedside chest radiography and computed tomography (CT), completely or incompletely including the lungs, of 110 brain-dead potential organ donors in a single institution during 2007 to 2014 were reviewed from a donation perspective...
January 2, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28221263/use-of-model-based-iterative-reconstruction-to-improve-detection-of-congenital-cardiovascular-anomalies-in-infants-undergoing-free-breathing-computed-tomographic-angiography
#7
Seth Kligerman, Ferdia Bolster, Jason Mitchell, Travis Henry, Jean Jeudy, Charles S White
PURPOSE: The aim of the study was to assess the detection of congenital cardiovascular anomalies (congenital heart disease) in neonates and infants using model-based iterative reconstruction (MBIR) algorithm compared with hybrid iterative reconstruction (HIR) and filtered back projection (FBP) reconstructions on axial computed tomography (CT) performed at minimum scanner dose. MATERIALS AND METHODS: Over 1 year, all CT angiographies performed in infants below 3 months of age with congenital heart disease were assessed retrospectively...
March 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28221262/recent-advances-in-computed-tomographic-technology-cardiopulmonary-imaging-applications
#8
Azadeh Tabari, Roberto Lo Gullo, Venkatesh Murugan, Alexi Otrakji, Subba Digumarthy, Mannudeep Kalra
Cardiothoracic diseases result in substantial morbidity and mortality. Chest computed tomography (CT) has been an imaging modality of choice for assessing a host of chest diseases, and technologic advances have enabled the emergence of coronary CT angiography as a robust noninvasive test for cardiac imaging. Technologic developments in CT have also enabled the application of dual-energy CT scanning for assessing pulmonary vascular and neoplastic processes. Concerns over increasing radiation dose from CT scanning are being addressed with introduction of more dose-efficient wide-area detector arrays and iterative reconstruction techniques...
March 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27997469/imaging-of-the-postsurgical-thoracic-aorta-a-state-of-the-art-review
#9
Larry A Latson, Abe DeAnda, Jane P Ko
Techniques for repair of the aorta currently include open and endovascular methods, hybrid approaches, minimally-invasive techniques, and aortic branch vessel reimplantation or bypass. Collaboration among radiologists and vascular and cardiothoracic surgeons is essential. An awareness of the various surgical techniques, expected postoperative appearance, and potential complications is essential for radiologists. This review will cover the postoperative appearance of the thoracic aorta with a focus on the ascending aorta...
January 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27879492/altered-nulling-of-myocardium-and-blood-pool
#10
Tina D Tailor, Joseph G Mammarappallil, Jared D Christensen
No abstract text is available yet for this article.
January 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27870824/efficacy-of-a-dehydrated-hydrogel-plug-to-reduce-complications-associated-with-computed-tomography-guided-percutaneous-transthoracic-needle-biopsy
#11
Rolf A Grage, Muhammad A Naveed, Shane Keogh, Dongliang Wang
PURPOSE: The aim of the study was to determine whether a hydrogel plug, when placed in the needle tract after a computed tomography-guided percutaneous transthoracic needle lung biopsy, reduces the rate of complications. MATERIALS AND METHODS: This retrospective analysis included biopsies of lung lesions from 200 consecutive patients. The first 100 consecutive biopsies made up the control group, in which no plug intervention was used. The next 100 consecutive biopsies made up the treatment group, in which a hydrogel plug was deployed through a 19-G coaxial needle system after 20-G core samples were obtained...
January 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27870823/diagnostic-yield-for-cancer-and-diagnostic-accuracy-of-computed-tomography-guided-core-needle-biopsy-of-subsolid-pulmonary-lesions
#12
Sohaib Munir, Sahil Koppikar, Wilma M Hopman, Alexander H Boag, Gurmohan Dhillon, Shafeequr Rahman Salahudeen, Robert L Nolan, Justin Flood
PURPOSE: We aimed to determine the diagnostic yield for cancer and diagnostic accuracy of computed tomography-guided core needle biopsy (CTNB) in subsolid pulmonary lesions. MATERIALS AND METHODS: Fifty-two biopsies of 52 subsolid lesions in 51 patients were identified from a database of 912 lung biopsies and analyzed for the diagnostic yield for cancer and diagnostic accuracy of core CTNB diagnosis as well as complication rates. RESULTS: When indeterminate biopsy results were included in the analysis, the diagnostic yield for cancer was 80...
January 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27861208/left-ventricular-myocardial-fibrosis-atrophy-and-impaired-contractility-in-patients-with-pulmonary-arterial-hypertension-and-a-preserved-left-ventricular-function-a-cardiac-magnetic-resonance-study
#13
Rami Homsi, Julian A Luetkens, Dirk Skowasch, Carmen Pizarro, Alois M Sprinkart, Juergen Gieseke, Julia Meyer Zur Heide Gen Meyer-Arend, Hans H Schild, Claas P Naehle
PURPOSE: Using a cardiac magnetic resonance (CMR) approach we investigated left ventricular (LV) myocardial changes associated with pulmonary arterial hypertension (PAH) by strain analysis and mapping techniques. MATERIALS AND METHODS: Seventeen patients with PAH (9 men; mean age, 64.2±13.6 y) and 20 controls (10 men, 63.2±10.5 y) were examined using CMR at 1.5 T. Native LV T1-relaxation times (T1) and extracellular volume fraction (ECV) were assessed using a MOLLI sequence, T2-relaxation times (T2) by means of a gradient spin-echo sequence, and LV longitudinal strain (LVS) and right ventricular (RV) longitudinal strain (RVS) by means of CMR feature tracking...
January 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27846051/clinical-significance-of-late-phase-of-lung-perfusion-blood-volume-lung-perfusion-blood-volume-quantified-by-dual-energy-computed-tomography-in-patients-with-pulmonary-thromboembolism
#14
Hirofumi Koike, Eijun Sueyoshi, Ichiro Sakamoto, Masataka Uetani
PURPOSE: Using dual-energy computed tomography (DECT), we quantified the lung perfusion blood volume (PBV) in the late phase, which may reflect both the pulmonary artery and systemic collateral flow. We then investigated the clinical significance of late-phase lung PBV values. MATERIALS AND METHODS: We retrospectively studied 206 patients (266 scans) who underwent early-phase and late-phase DECT. The patients were divided into 2 groups depending on whether or not they had pulmonary thromboembolism (PTE) (n=94 and 112)...
January 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27819965/computed-tomography-diagnosis-of-nonspecific-acute-chest-pain-in-the-emergency-department-from-typical-acute-coronary-syndrome-to-various-unusual-mimics
#15
Seung Min Yoo, Eun Ju Chun, Hwa Yeon Lee, Daniel Min, Charles S White
It is a challenging task for emergency department physicians to establish a precise and rapid diagnosis based only on clinical and laboratory findings in patients who present with nonspecific acute chest pain. In this circumstance, CT angiography can provide important clues to the diagnosis. To provide a rapid diagnosis of acute coronary syndrome (ACS) and its various mimics, the physician should enumerate each possible cause of acute chest pain on the basis of an objective assessment of pretest probability...
January 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27753752/percutaneous-lung-biopsy-in-the-molecular-profiling-era-a-survey-of-current-practices
#16
Christopher Lee, Phillip L Guichet, Fereidoun Abtin
PURPOSE: This study aimed to assess the current practice patterns of radiologists performing percutaneous lung biopsies. MATERIALS AND METHODS: This cross-sectional study used a web-based survey sent to the Society of Thoracic Radiology membership from August to October 2015. Responses were collected anonymously, and results were tallied. RESULTS: A total of 244 Society of Thoracic Radiology members responded to the survey. One hundred thirty-seven radiologists regularly perform percutaneous lung biopsies, of whom 102 (74%) practice at an academic teaching hospital...
January 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28009778/left-atrium-maximal-axial-cross-sectional-area-is-a-specific-computed-tomographic-imaging-biomarker-of-world-health-organization-group-2-pulmonary-hypertension
#17
Khalil Jivraj, Arash Bedayat, Yon K Sung, Roham T Zamanian, Francois Haddad, Ann N C Leung, Jarrett Rosenberg, H Henry Guo
PURPOSE: Left heart disease is associated with left atrial enlargement and is a common cause of pulmonary hypertension (PH). We investigated the relationship between left atrium maximal axial cross-sectional area (LA-MACSA), as measured on chest computed tomography (CT), and PH due to left heart disease (World Health Organization group 2) in patients with right heart catheterization-proven PH. MATERIALS AND METHODS: A total of 165 patients with PH who had undergone right heart catheterization with pulmonary artery pressure and pulmonary capillary wedge pressure (PCWP) measurements and nongated chest CTs were included...
December 22, 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28002072/the-100-top-cited-articles-in-pulmonary-imaging-a-bibliometric-analysis
#18
Su Jin Hong, Kyoung Ja Lim, Hye Jeon Hwang, Sora Baek, Young Lan Seo, Eun Joo Yun, Chul Soon Choi, Dae Young Yoon
PURPOSE: The purpose of this study was to identify and characterize the 100 top-cited articles in pulmonary imaging. MATERIALS AND METHODS: From the database of Journal Citation Reports, 274 journals whose scope included pulmonary imaging were selected. The Web of Science search tools were then used to identify the 100 top-cited articles in the subject of pulmonary imaging published in these journals. The parameters used to analyze the characteristics of the 100 top-cited articles were journal (including subject category and impact factor), publication year, number of citations and annual citations, department and institution of authors, country of origin, article type, imaging technique, and topic...
December 19, 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27997501/reviewer-awards-and-acknowledgements-editors-recognition-awards-for-distinction-in-reviewing-in-2016
#19
Phillip M Boiselle, Jeffrey P Kanne, U Joseph Schoepf
No abstract text is available yet for this article.
December 16, 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27870822/comparison-of-total-lung-capacity-determined-by-plethysmography-with-computed-tomographic-segmentation-using-caliper
#20
Andrew J Matsumoto, Brian J Bartholmai, Mark E Wylam
PURPOSE: Traditionally, determination of total lung capacity (TLC) by plethysmography (TLCpleth) has been important in the diagnosis of lung diseases. Alternatively, data acquired from computerized tomography (CT) can be utilized to calculate a measure of TLC (TLCCT). The clinical utility of TLCCT is not certain. We sought to determine, in a clinical setting, whether TLCCT correlates with TLCpleth across a range of lung diseases and scanning techniques. In addition, we determined whether TLCCT affects the interpretation of pulmonary function tests...
November 18, 2016: Journal of Thoracic Imaging
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