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Chest CT for screening for lung cancer

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https://www.readbyqxmd.com/read/29651767/radiation-burden-and-associated-cancer-risk-for-a-typical-population-to-be-screened-for-lung-cancer-with-low-dose-ct-a-phantom-study
#1
Kostas Perisinakis, Ioannis Seimenis, Antonis Tzedakis, Apostolos Karantanas, John Damilakis
OBJECTIVES: To estimate (a) organ doses and organ-specific radiation-induced cancer risk from a single low-dose CT (LDCT) for lung cancer screening (LCS) and (b) the theoretical cumulative risk of radiation-induced cancer for a typical cohort to be subjected to repeated annual LCS LDCT. METHODS: Sex- and body size-specific organ dose data from scan projection radiography (SPR) and helical CT exposures involved in LCS 256-slice LDCT were determined using Monte Carlo methods...
April 12, 2018: European Radiology
https://www.readbyqxmd.com/read/29587930/-shanghai-pulmonary-hospital-experts-consensus-on-the-management-of-ground-glass-nodules-suspected-as-lung-adenocarcinoma-version-1
#2
Gening Jiang, Chang Chen, Yuming Zhu, Dong Xie, Jie Dai, Kaiqi Jin, Yingran Shen, Haifeng Wang, Hui Li, Lanjun Zhang, Shugeng Gao, Keneng Chen, Lei Zhang, Xiao Zhou, Jingyun Shi, Hao Wang, Boxiong Xie, Lei Jiang, Jiang Fan, Deping Zhao, Qiankun Chen, Liang Duan, Wenxin He, Yiming Zhou, Hongcheng Liu, Xiaogang Zhao, Peng Zhang, Xiong Qin
Background and objective As computed tomography (CT) screening for lung cancer becomes more common in China, so too does detection of pulmonary ground-glass nodules (GGNs). Although anumber of national or international guidelines about pulmonary GGNs have been published,most of these guidelines are produced by respiratory, oncology or radiology physicians, who might not fully understand the progress of modern minimal invasive thoracic surgery, and these current guidelines may overlook or underestimate the value of thoracic surgery in the management of pulmonary GGNs...
March 20, 2018: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/29552518/treatment-of-pulmonary-nodule-from-vats-to-rats
#3
Federico Davini, Sara Ricciardi, Carmelina Cristina Zirafa, Ilenia Cavaliere, Gaetano Romano, Franca Melfi
Background: The incidental detection of solitary pulmonary nodule (SPN) is currently increasing due to the widespread use of computed tomography (CT) during the follow up in oncological patients or in screening trials. A quick and definitive histological diagnosis of these nodes is mandatory as, in case of primitive lung cancer, an early detection could improve both surgical results and prognosis. The minimally invasive pulmonary resection (MIPR) is the gold standard procedure for diagnosis and treatment of small lung nodules, but it can be difficult to localize deep nonpalpable nodes that lie in the lung parenchyma...
2018: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29501646/lung-cancer-screening-in-the-community-setting
#4
Stephen M Cattaneo, Barry R Meisenberg, Maria C M Geronimo, Bishal Bhandari, John W Maxted, Catherine J Brady-Copertino
BACKGROUND: Lung cancer has high incidence and high mortality burden particularly since it is typically diagnosed in later stages. The National Lung Screening Trial demonstrated a lung cancer specific mortality benefit in high risk current and former smokers with yearly low dose chest CT. Lung cancer screening is thus recommended but it is unclear if the results of the National Lung Screening Trial can be replicated in community settings. METHODS: A retrospective review was performed of the lung screening program over its first five years, 2012-2016...
March 1, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29492597/preoperative-watchful-waiting-time-and-surgical-outcome-of-patients-with-non-small-cell-lung-cancer-found-by-chest-low-dose-ct-screening
#5
Takaomi Hanaoka, Makoto Kurai, Mitsuyo Okada, Satoshi Ishizone, Fumitoshi Karasawa, Akira Iizuka
BACKGROUNDS: Chest low-dose CT screening (LDCTS) has been finding unprecedented numbers of peripheral non-small cell lung cancers (NSCLC) at an early stage and increased the number of patients with surgical indication. It is important to explore the influence of preoperative watchful-waiting time (WWT) on surgical outcomes. Objective is to clarify relationship between WWT and surgical outcomes of LDCTS-finding NSCLC from the view point of treatment delay. METHODS: Total 283 cases of NSCLC, found by LDCTS and consecutively resected, were surveyed for preoperative WWT and surgical outcomes...
February 28, 2018: World Journal of Surgery
https://www.readbyqxmd.com/read/29468601/patient-and-clinician-perspectives-on-shared-decision-making-in-early-adopting-lung-cancer-screening-programs-a-qualitative-study
#6
Renda Soylemez Wiener, Elisa Koppelman, Rendelle Bolton, Karen E Lasser, Belinda Borrelli, David H Au, Christopher G Slatore, Jack A Clark, Hasmeena Kathuria
BACKGROUND: Guidelines recommend, and Medicare requires, shared decision-making between patients and clinicians before referring individuals at high risk of lung cancer for chest CT screening. However, little is known about the extent to which shared decision-making about lung cancer screening is achieved in real-world settings. OBJECTIVE: To characterize patient and clinician impressions of early experiences with communication and decision-making about lung cancer screening and perceived barriers to achieving shared decision-making...
February 21, 2018: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/29464877/patient-navigation-for-lung-cancer-screening-among-current-smokers-in-community-health-centers-a-randomized-controlled-trial
#7
Sanja Percac-Lima, Jeffrey M Ashburner, Nancy A Rigotti, Elyse R Park, Yuchiao Chang, Salome Kuchukhidze, Steven J Atlas
Annual chest computed tomography (CT) can decrease lung cancer mortality in high-risk individuals. Patient navigation improves cancer screening rates in underserved populations. Randomized controlled trial was conducted from February 2016 to January 2017 to evaluate the impact of a patient navigation program on lung cancer screening (LCS) among current smokers in five community health centers (CHCs) affiliated with an academic primary care network. We randomized 1200 smokers aged 55-77 years to intervention (n = 400) or usual care (n = 800)...
February 21, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29452098/features-of-chronic-obstructive-pulmonary-disease-as-predictors-of-lung-cancer
#8
Laurie L Carr, Sean Jacobson, David A Lynch, Marilyn G Foreman, Eric L Flenaugh, Craig P Hersh, Frank C Sciurba, David O Wilson, Jessica C Sieren, Patrick Mulhall, Victor Kim, C Matthew Kinsey, Russell P Bowler
BACKGROUND: Lung cancer is a leading cause of death and hospitalization for patients with chronic obstructive lung disease, (COPD); a detailed understanding of which clinical features of COPD increase risk is needed. METHODS: To identify clinical and imaging features of smokers, with and without COPD, that are associated with an increased risk of lung cancer, we performed a nested case-control study of COPDGene subjects with and without lung cancer, age 45-80, who smoked at least 10-pack years...
February 13, 2018: Chest
https://www.readbyqxmd.com/read/29412152/development-and-validation-of-a-novel-diagnostic-nomogram-model-based-on-tumor-markers-for-assessing-cancer-risk-of-pulmonary-lesions-a-multicenter-study-in-chinese-population
#9
Qiang Du, Cunling Yan, San-Gang Wu, Wei Zhang, Chun Huang, Yiyong Yao, Liyu Wang, Qunji Zhang, Qinghao Liu, Jie Guan, Yanfeng Hou, Zhiyan Li, Andrew Soh, Agim Beshiri, Qi Wang, Xun Li, Yijie Zheng, Huiling Wang
PURPOSE: This study aimed to build a valid diagnostic nomogram for assessing the cancer risk of the pulmonary lesions identified by chest CT. PATIENTS AND METHODS: A total of 691 patients with pulmonary lesions were recruited from three centers in China. The cut-off value for each tumor marker was confirmed by minimum P value method with 1000 bootstrap replications. The nomogram was based on the predictive factors identified by univariate and multivariate analysis...
April 28, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29408789/automatic-calcium-scoring-in-low-dose-chest-ct-using-deep-neural-networks-with-dilated-convolutions
#10
Nikolas Lessmann, Bram van Ginneken, Majd Zreik, Pim A de Jong, Bob D de Vos, Max A Viergever, Ivana Isgum
Heavy smokers undergoing screening with low-dose chest CT are affected by cardiovascular disease as much as by lung cancer. Low-dose chest CT scans acquired in screening enable quantification of atherosclerotic calcifications and thus enable identification of subjects at increased cardiovascular risk. This paper presents a method for automatic detection of coronary artery, thoracic aorta, and cardiac valve calcifications in low-dose chest CT using two consecutive convolutional neural networks. The first network identifies and labels potential calcifications according to their anatomical location and the second network identifies true calcifications among the detected candidates...
February 2018: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/29394804/-a-case-of-synchronous-quadruple-cancers-treated-with-neoadjuvant-chemotherapy-followed-by-surgery
#11
Keiji Muramoto, Toru Miyake, Tomoharu Shimizu, Hiromichi Sonoda, Tomoyuki Ueki, Yoshitaka Terada, Haruki Mori, Hiromitsu Maehira, Katsushi Takebayashi, Sachiko Kaida, Hiroya Iida, Tsuyoshi Yamaguchi, Masaji Tani
The patient is male in his 60's. He underwent endoscopic examination for anemia, which was found during screening of high PSA value. Endoscopic examination revealed a gastric cancer and 3 colorectal cancers. Histological results from biopsy was HER2 positive poorly differentiated adenocarcinoma in gastric tumor and moderately differentiated adenocarcinoma in colorectal tumor. Chest CT showed a pulmonary nodule in the middle right lung. Histological diagnosis was TTF-1 positive adenocarcinoma, meaning primary lung cancer...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29375824/early-detection-and-chemoprevention-of-lung-cancer
#12
REVIEW
Melissa New, Robert Keith
Despite advances in targeted treatments, lung cancer remains a common and deadly malignancy, in part owing to its typical late presentation. Recent developments in lung cancer screening and ongoing efforts aimed at early detection, treatment, and prevention are promising areas to impact the mortality from lung cancer. In the past several years, lung cancer screening with low-dose chest computed tomography (CT) was shown to have mortality benefit, and lung cancer screening programs have been implemented in some clinical settings...
2018: F1000Research
https://www.readbyqxmd.com/read/29374513/screening-for-lung-cancer-chest-guideline-and-expert-panel-report
#13
Peter J Mazzone, Gerard A Silvestri, Sheena Patel, Jeffrey P Kanne, Linda S Kinsinger, Renda Soylemez Wiener, Guy Soo Hoo, Frank C Detterbeck
BACKGROUND: Low-dose chest CT screening for lung cancer has become a standard of care in the United States in the past few years, in large part due to the results of the National Lung Screening Trial. The benefit and harms of low-dose chest CT screening differ in both frequency and magnitude. The translation of a favorable balance of benefit and harms into practice can be difficult. Here, we update the evidence base for the benefit, harms, and implementation of low radiation dose chest CT screening...
February 17, 2018: Chest
https://www.readbyqxmd.com/read/29356386/significance-of-tumor-associated-autoantibodies-in-the-early-diagnosis-of-lung-cancer
#14
Qiang Du, Ruofei Yu, Han Wang, Dong Yan, Qi Yuan, Yixin Ma, Dennis Slamon, Dongmei Hou, Huiling Wang, Qi Wang
OBJECTIVES: Autoantibodies tumor-associated antigens (TAAs) could be a valuable tool for the diagnosis or early detection of cancer due to their relatively high specificity and stability. The purpose of this study is to detect the level of tumor-associated autoantibodies in lung cancer and assess the diagnostic potential of autoantibodies in screening strategy for early stage lung cancer. MATERIALS AND METHODS: Levels of tumor-associated autoantibodies (AAbs) were measured against a panel of seven tumor-associated antigens (p53, PGP9...
January 22, 2018: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29343293/identification-of-preoperative-prediction-factors-of-tumor-subtypes-for-patients-with-solitary-ground-glass-opacity-pulmonary-nodules
#15
Meishuang Li, Yanan Wang, Yulong Chen, Zhenfa Zhang
BACKGROUND: Recent wide spread use of low-dose helical computed tomography for the screening of lung cancer have led to an increase in the detection rate of very faint and smaller lesions known as ground-glass opacity nodules. The purpose of this study was to investigate the clinical factors of lung cancer patients with solitary ground-glass opacity pulmonary nodules on computed tomography. METHODS: A total of 423 resected solitary ground-glass opacity nodules were retrospectively evaluated...
January 17, 2018: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29290259/radiomics-and-radiogenomics-in-lung-cancer-a-review-for-the-clinician
#16
REVIEW
Rajat Thawani, Michael McLane, Niha Beig, Soumya Ghose, Prateek Prasanna, Vamsidhar Velcheti, Anant Madabhushi
Lung cancer is responsible for a large proportion of cancer-related deaths across the globe, with delayed detection being perhaps the most significant factor for its high mortality rate. Though the National Lung Screening Trial argues for screening of certain at-risk populations, the practical implementation of these screening efforts has not yet been successful and remains in high demand. Radiomics refers to the computerized extraction of data from radiologic images, and provides unique potential for making lung cancer screening more rapid and accurate using machine learning algorithms...
January 2018: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/29282271/circulating-tumour-cells-as-a-potential-screening-tool-for-lung-cancer-the-air-study-protocol-of-a-prospective-multicentre-cohort-study-in-france
#17
Sylvie Leroy, Jonathan Benzaquen, Andrea Mazzetta, Sylvain Marchand-Adam, Bernard Padovani, Dominique Israel-Biet, Christophe Pison, Pascal Chanez, Jacques Cadranel, Julien Mazières, Vincent Jounieaux, Charlotte Cohen, Véronique Hofman, Marius Ilie, Paul Hofman, Charles Hugo Marquette
INTRODUCTION: Lung cancer (LC) is the leading cause of death from cancer. Early diagnosis of LC is of paramount importance in terms of prognosis. The health authorities of most countries do not accept screening programmes based on low-dose chest CT (LDCT), especially in Europe, because they are flawed by a high rate of false-positive results, leading to a large number of invasive diagnostic procedures. These authorities advocated further research, including companion biological tests that could enhance the effectiveness of LC screening...
December 26, 2017: BMJ Open
https://www.readbyqxmd.com/read/29239005/automated-image-quality-assessment-for-chest-ct-scans
#18
Anthony P Reeves, Yiting Xie, Shuang Liu
PURPOSE: Medical image quality needs to be maintained at standards sufficient for effective clinical reading. Automated computer analytic methods may be applied to medical images for quality assessment. METHODS: For chest CT scans in a lung cancer screening context, an automated quality assessment method is presented that characterizes image noise and image intensity calibration. This is achieved by image measurements in three automatically segmented homogeneous regions of the scan: external air, trachea lumen air, and descending aorta blood...
February 2018: Medical Physics
https://www.readbyqxmd.com/read/29231759/screening-for-lung-cancer-incidental-pulmonary-parenchymal-findings
#19
Jonathan H Chung, J Caleb Richards, Tilman L Koelsch, Heber MacMahon, David A Lynch
OBJECTIVE: Incidental pulmonary findings are commonly detected at lung cancer screening chest CT. Though most of these findings are clinically insignificant, it is difficult to prospectively determine which are potentially important to clinical care. The purpose of this review is to discuss the incidental pulmonary findings commonly detected at lung cancer screening chest CT. CONCLUSION: Incidental pulmonary findings most commonly fall into one of three categories: interstitial lung disease, emphysema, and airways disease (both small and large airways)...
March 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29191603/serum-lipid-profile-discriminates-patients-with-early-lung-cancer-from-healthy-controls
#20
Małgorzata Ros-Mazurczyk, Karol Jelonek, Michał Marczyk, Franciszek Binczyk, Monika Pietrowska, Joanna Polanska, Rafał Dziadziuszko, Jacek Jassem, Witold Rzyman, Piotr Widlak
OBJECTIVES: The role of a low-dose computed tomography lung cancer screening remains a matter of controversy due to its low specificity and high costs. Screening complementation with blood-based biomarkers may allow a more efficient pre-selection of candidates for imaging tests or discrimination between benign and malignant chest abnormalities detected by low-dose computed tomography (LD-CT). We searched for a molecular signature based on a serum lipid profile distinguishing individuals with early lung cancer from healthy participants of the lung cancer screening program...
October 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
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