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Journal of Thoracic Imaging

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https://www.readbyqxmd.com/read/27879492/altered-nulling-of-myocardium-and-blood-pool
#1
Tina D Tailor, Joseph G Mammarappallil, Jared D Christensen
No abstract text is available yet for this article.
November 22, 2016: 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
#2
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...
November 18, 2016: 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
#3
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...
November 18, 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
#4
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
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
#5
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...
November 16, 2016: 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
#6
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)...
November 11, 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27819966/the-double-artery-sign
#7
Marie-Michele Theriault, Daria Manos
No abstract text is available yet for this article.
November 4, 2016: 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
#8
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...
November 4, 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27753752/percutaneous-lung-biopsy-in-the-molecular-profiling-era-a-survey-of-current-practices
#9
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...
October 6, 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27643445/managing-incidental-lung-nodules-in-patients-with-a-history-of-oncologic-disease-a-survey-of-thoracic-radiologists
#10
Mariaelena Occhipinti, Benedikt H Heidinger, Christina Pfannenberg, Reginald F Munden, Ronald L Eisenberg, Alexander A Bankier
PURPOSE: The aim of this study was to analyze the impact that a clinical history of an oncologic disease may have on the management decisions for incidentally detected lung nodules on chest computed tomographic (CT) examinations. MATERIALS AND METHODS: An electronic survey was sent to all 796 members of the Society of Thoracic Radiology regarding criteria for the management of incidentally detected lung nodules in oncologic patients, as well as recommendations for nodule follow-up...
September 16, 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27768635/lymphomatoid-granulomatosis-two-different-phenotypes-of-computed-tomography-findings
#11
Torahiko Yamanouchi, Satoshi Kawanami, Takeshi Kamitani, Koji Sagiyama, Yuzo Yamasaki, Yuko Tanaka, Michinobu Nagao, Hidetake Yabuuchi, Naoki Hamada, Tatsuro Okamoto, Hidetaka Yamamoto, Hiroshi Honda
No abstract text is available yet for this article.
November 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27768634/diffuse-idiopathic-pulmonary-neuroendocrine-cell-hyperplasia-a-case-with-long-term-follow-up
#12
Umiko Ishizaki, Reiko Itoh, Yuka Matsuo, Takeshi Yamada, Jun Tamaoki, Takamasa Onuki, Hiroko Itagaki, Shuji Sakai
No abstract text is available yet for this article.
November 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27768633/a-case-of-disseminated-mycobacterium-avium-complex-infection-mimicking-systemic-metastases-from-lung-cancer
#13
Shunjiro Noguchi, Yuko Nishimoto, Yoshio Taguchi, Yoichiro Kobashi, Satoshi Noma
No abstract text is available yet for this article.
November 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27768632/long-term-imaging-of-the-lungs-after-sealant-bronchoscopic-lung-volume-reduction
#14
Sivan Lieberman, Tiberiu R Shulimzon, Tima Davidson, Edith M Marom
PURPOSE: The aim of the study was to assess the pulmonary temporal changes after bronchoscopic lung volume reduction (BLVR) using sealants for treatment of emphysema. MATERIALS AND METHODS: We retrospectively assessed all chest computerized tomography (CT) and F-18 fluorodeoxyglucose (FDG) positron emission tomography CT scans of patients treated at our institution with BLVR. RESULTS: Eleven patients were treated with sealants: 4 with biological sealants and 7 with synthetic sealants...
November 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27768631/coronary-pulmonary-artery-fistulas-a-systematic-review
#15
Daniel Verdini, Daniel Vargas, Anderson Kuo, Brian Ghoshhajra, Phillip Kim, Horacio Murillo, Jacobo Kirsch, Michael Lane, Carlos Restrepo
PURPOSE: Coronary-pulmonary arterial fistulas (CPAFs) are rare coronary artery anomalies that have been described only in limited case reports. This study aims to evaluate the clinical presentation and imaging findings of CPAFs collected from 6 participating medical centers along with CPAFs reported in the literature, to discern any general trends present in CPAFs. MATERIALS AND METHODS: A total of 25 cases of CPAF diagnosed by coronary computed tomography angiography were collected across 6 participating institutions...
November 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27753753/incremental-prognostic-value-of-quantified-vulnerable-plaque-by-cardiac-computed-tomography-a-pilot-study
#16
Girish Dwivedi, Yingwei Liu, Shrankhala Tewari, Joao Inacio, Matthieu Pelletier-Galarneau, Benjamin J W Chow
BACKGROUND: Coronary computed tomography (CT) angiography (CCTA) has the ability to detect, characterize, and quantify atherosclerotic plaques. The aim of our study was to evaluate the prognostic power of CCTA-quantified plaque subtypes. MATERIALS AND METHODS: A total of 36 patients with adverse events and 36 Morise score-matched patients who remained event free on follow-up were identified. Using CCTA images, plaque subtype volumes in the major epicardial arteries were analyzed using predetermined attenuation ranges in Hounsfield units (HU): 1 to 30 HU (low attenuating), 31 to 70 HU (intermediate attenuating), 71 to 150 HU (high attenuating), and mean coronary lumen+2 SD to 1000 HU (calcified)...
November 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27753751/the-segmental-contour-pattern
#17
Laura B Eisenmenger, Howard Mann
No abstract text is available yet for this article.
November 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27438188/update-on-the-role-of-cardiac-magnetic-resonance-in-acquired-nonischemic-cardiomyopathies
#18
Prabhakar Rajiah, Samreen Raza, Sachin S Saboo, Brian Ghoshhajra, Suhny Abbara
Cardiomyopathies refer to a variety of myocardial disorders without underlying coronary artery disease, valvular heart disease, hypertension, or congenital heart disease. Several imaging modalities are available, but cardiac magnetic resonance (CMR) has now established itself as a crucial imaging technique in the evaluation of several cardiomyopathies. It not only provides comprehensive information on structure and function, but also can perform tissue characterization, which helps in establishing the etiology of cardiomyopathy...
November 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27262145/automated-quantitative-plaque-analysis-for-discrimination-of-coronary-chronic-total-occlusion-and-subtotal-occlusion-in-computed-tomography-angiography
#19
Adam D Staruch, Maksymilian P Opolski, Piotr J Slomka, Michal Staruch, Cezary Kepka, Adam Witkowski, Mariusz Kruk, Damini Dey
PURPOSE: The aim of this study was to evaluate the utility of automated plaque analysis in differentiating chronic total occlusion (CTO) from subtotal occlusion (SO) in patients with ambiguous coronary lesions on coronary computed tomography angiography (CTA). MATERIALS AND METHODS: A total of 63 patients with 63 ambiguous coronary lesions on CTA were included. The lesion length (LL), diameter stenosis, plaque volume and composition, remodeling index, and contrast density difference (CDD) (reflecting intraluminal contrast kinetics over the lesion) were assessed using an automatic software tool...
November 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27007666/magnetic-resonance-imaging-applications-on-infiltrative-cardiomyopathies
#20
Fabian Muehlberg, Agnieszka Toepper, Simone Fritschi, Marcel Prothmann, Jeanette Schulz-Menger
Infiltrative cardiomyopathies are a heterogenous group of diseases that typically lead to restrictive cardiac dysfunction. Due to similar phenotypes, accurate diagnosis is challenging without invasive endomyocardial biopsy which has historically been considered mandatory. Cardiac magnetic resonance (CMR) has been well established in the diagnostic workup of patients with suspected cardiomyopathies due to its unique capability for tissue differentiation and its unsurpassed accuracy in defining cardiac morphology and function...
November 2016: Journal of Thoracic Imaging
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