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https://www.readbyqxmd.com/read/28804681/luminol-amplified-chemiluminescence-detects-mainly-superoxide-anion-produced-by-human-neutrophils
#1
Samia Bedouhène, Farida Moulti-Mati, Margarita Hurtado-Nedelec, Pham My-Chan Dang, Jamel El-Benna
Reactive oxygen species (ROS) are produced by numerous biological systems and by several phagocytes such as neutrophils and macrophages. ROS include mostly superoxide anion, hydrogen peroxide, singlet oxygen and hydroxyl radical, which are involved in a variety of biological processes such as immunity, inflammation, apoptosis and cell signaling. Thus, there is a need for a sensitive and reliable method to measure ROS. The luminol-amplified chemiluminescence technique is widely used to measure ROS production by neutrophils; however, it is unclear which ROS species are detected by this technique...
2017: American Journal of Blood Research
https://www.readbyqxmd.com/read/28770963/characteristic-analysis-of-pulmonary-ground-glass-lesions-with-the-help-of-64-slice-ct-technology
#2
Y-G Lv, J-H Bao, D-U Xu, Q-H Yan, Y-J Li, D-L Yuan, J-H Ma
OBJECTIVE: With the help of new technologies like 64-slice spiral CT, including latest AW4.4, 2D nodule comparing and analyzing technology, MPR and 3D technology, MIP technology and the technology of analyzing pulmonary vascular density by the method of perfusion scanning, we performed characteristic analysis of ground-glass opacities (GGO) for the early diagnosis of lung cancer. PATIENTS AND METHODS: We selected 62 patients suspected of lung cancer, whose conventional CT showed that they were patients with GGO...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28749172/no-differences-in-radiological-changes-after-3d-conformal-vs-vmat-based-stereotactic-radiotherapy-for-early-stage-non-small-cell-lung-cancer
#3
Serena Badellino, Jacopo Di Muzio, Giulia Schivazappa, Alessia Guarneri, Riccardo Ragona, Sara Bartoncini, Elisabetta Trino, Andrea Riccardo Filippi, Paolo Fonio, Umberto Ricardi
OBJECTIVES: To compare patterns of acute and late radiological lung injury following either 3D or image-guided VMAT stereotactic radiotherapy for stage I Non-Small-Cell Lung Cancer (NSCLC). METHODS: We included 148 patients from a prospective mono-institutional SBRT series (time interval 2004-2014), treated with prescription BED10 Gy (at 80%) in the range 100-120 Gy. The first 95 patients (2004-2010) were planned with 3D-CRT, with a stereotactic body frame. The second cohort (2010-2014) included 53 patients, planned with volumetric IMRT on a smaller PTV generated from a patient's specific ITV, with a frameless approach through cone-beam CT guidance...
July 27, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28743420/presence-of-even-a-small-ground-glass-component-in-lung-adenocarcinoma-predicts-better-survival
#4
Mark F Berry, Rebecca Gao, Christian A Kunder, Leah Backhus, Amanda Khuong, Michael Kadoch, Ann Leung, Joseph Shrager
BACKGROUND: While lepidic-predominant lung adenocarcinomas are known to have better outcomes than similarly sized solid tumors, the impact of smaller noninvasive foci within predominantly solid tumors is less clearly characterized. We tested the hypothesis that lung adenocarcinomas with even a small ground-glass opacity (GGO) component have a better prognosis than otherwise similar pure solid (PS) adenocarcinomas. PATIENTS AND METHODS: The maximum total and solid-component diameters were determined by preoperative computed tomography in patients who underwent lobar or sublobar resection of clinical N0 adenocarcinomas without induction therapy between May 2003 and August 2013...
July 8, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28738834/the-value-of-99m-tc-methylene-diphosphonate-single-photon-emission-computed-tomography-computed-tomography-in-diagnosis-of-fibrous-dysplasia
#5
Linqi Zhang, Qiao He, Wei Li, Rusen Zhang
BACKGROUND: Fibrous dysplasia (FD) is a rare benign bone disorder in which the normal bone is replaced by immature fibro-osseous tissue. However, some case reports have reported that FD showed significantly increased (99m)Tc-methylene diphosphonate ((99m)Tc-MDP) uptake on whole-body bone scintigraphy (WBS), which may mimic bone metastasis or skeletal involvement of the patients with known cancer. Thus, the purpose of present study is to observe the reliable characteristics and usefulness of single photon emission computed tomography/computed tomography (SPECT/CT) for the diagnosis of FD...
July 24, 2017: BMC Medical Imaging
https://www.readbyqxmd.com/read/28691431/low-dose-computed-tomography-in-assessment-of-pulmonary-abnormalities-in-children-with-febrile-neutropenia-suffering-from-malignant-diseases
#6
Urszula Zaleska-Dorobisz, Cyprian Michal Olchowy, Mateusz Łasecki, Dąbrówka Sokołowska-Dąbek, Aleksander Pawluś, Jowita Frączkiewicz, Ewa Gorczyńska
BACKGROUND: Management of febrile neutropenia in pediatric patients is challenging. Chest X-ray and CT help to identify infective foci; however, exposure to radiation is a risk factor for development of secondary cancer. For this reason, attention is paid to reduce radiation exposure. OBJECTIVES: TTo define the role of LDCT examination in early detection of pulmonary lesions in children during oncology or autoimmune treatment complicated by neutropenia related fever...
June 27, 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28688028/novel-assessment-of-interstitial-lung-disease-using-the-computer-aided-lung-informatics-for-pathology-evaluation-and-rating-caliper-software-system-in-idiopathic-inflammatory-myopathies
#7
Patompong Ungprasert, Katelynn M Wilton, Floranne C Ernste, Sanjay Kalra, Cynthia S Crowson, Srinivasan Rajagopalan, Brian J Bartholmai
PURPOSE: To evaluate the correlation between measurements from quantitative thoracic high-resolution CT (HRCT) analysis with "Computer-Aided Lung Informatics for Pathology Evaluation and Rating" (CALIPER) software and measurements from pulmonary function tests (PFTs) in patients with idiopathic inflammatory myopathies (IIM)-associated interstitial lung disease (ILD). METHODS: A cohort of patients with IIM-associated ILD seen at Mayo Clinic was identified from medical record review...
July 7, 2017: Lung
https://www.readbyqxmd.com/read/28649310/lung-ultrasound-has-limited-diagnostic-value-in-rare-cystic-lung-diseases-a-cross-sectional-study
#8
Jesper Rømhild Davidsen, Elisabeth Bendstrup, Daniel P Henriksen, Ole Graumann, Christian B Laursen
Background: Lung ultrasound (LUS) used to identify interstitial syndrome (IS) and pleural thickening related to diffuse parenchymal lung disease (DPLD) has shown significant correlations with ground glass opacity (GGO) on high-resolution computed tomography (HRCT). However, the applicability of LUS in patients with DPLD subtypes as rare cystic lung diseases has not previously been investigated. This study aimed to observe if distinctive LUS findings could be found in patients with lymphangioleiomyomatosis (LAM), pulmonary Langerhans cell histiocytosis (PLCH), and Birt-Hogg-Dubé syndrome (BHDS)...
2017: European Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28616906/-diagnosis-and-surgical-treatment-of-lung-ground-glass-opacities-a-review-of-663-cases
#9
Shi-You Wei, Ke-Jia Zhao, Cheng-Lin Guo, Jian-Dong Mei, Qiang Pu, Lin Ma, Guo-Wei Che, Long-Qi Chen, Zhu Wu, Yun Wang, Ying-Li Kou, Yi-Dan Lin, Wei-Min Li, Lun-Xu Liu
OBJECTIVES: To retrospectively investigate the clinical characteristics, surgical treatments of the patients with lung ground-glass opacities (GGO). METHODS: All the patients, who underwent surgical resection of GGO in our department from Jan. 2013 to Dec. 2016 were retrospectively reviewed. The clinicpathological features were analyzed. RESULTS: A total of 663 patients were included in this study. The rate of malignancy was 92.6% (614/663)...
May 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28616298/imaging-guided-thoracoscopic-resection-of-a-ground-glass-opacity-lesion-in-a-hybrid-operating-room-equipped-with-a-robotic-c-arm-ct-system
#10
Chen-Ping Hsieh, Ming-Ju Hsieh, Hsin-Yueh Fang, Yin-Kai Chao
The intraoperative identification of small pulmonary nodules through video-assisted thoracoscopic surgery remains challenging. Although preoperative CT-guided nodule localization is commonly used to detect tumors during video-assisted thoracoscopic surgery (VATS), this approach carries inherent risks. We report the case of a patient with stage I lung cancer presenting as an area of ground-glass opacity (GGO) in the right upper pulmonary lobe. He successfully underwent a single-stage, CT-guided localization and removal of the pulmonary nodule within a hybrid operating room (OR) equipped with a robotic C-arm...
May 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28577952/stereotactic-body-radiotherapy-for-operable-early-stage-non-small-cell-lung-cancer
#11
Takahisa Eriguchi, Atsuya Takeda, Naoko Sanuki, Yuichiro Tsurugai, Yousuke Aoki, Yohei Oku, Yu Hara, Takeshi Akiba, Naoyuki Shigematsu
PURPOSE: To analyze outcomes of stereotactic body radiotherapy (SBRT) for operable patients with early-stage non-small cell lung cancer (NSCLC) and to evaluate factors associated with outcomes. METHODS: We retrospectively analyzed operable patients with NSCLC, staged as cT1-2N0M0, treated with SBRT between 2006 and 2015. Both biopsy-proven and clinically diagnosed NSCLC were included. Local control and survival rates were calculated and compared between subsets of patients...
July 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28550666/-the-correlation-study-of-ground-glass-opacity-and-lepidic-growth-pattern-component-in-stage-i-lung-invasive-adenocarcinoma
#12
L Zhang, N Wu, M Li, W Sun, L Lyu, D H Hou, D M Lin
Objective: To investigate the correlation between Ground Glass Opacity (GGO) component proportion and quantitative classification of lepidic growth pattern in pathological stage Ⅰpulmonary adenocarcinoma. Methods: Pathological and HRCT data of 183 stage Ⅰ invasive adenocarcinoma patients from January 2005 to December 2012 were retrospectively reviewed. The proportion of GGO was calculated from diameter and volume.The correlation between GGO component proportion and lepidic growth pattern in pathological were analyzed by Spearman correlation...
April 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28523176/ct-localization-for-a-patient-with-a-ground-glass-opacity-pulmonary-nodule-expecting-thoracoscopy-a-mixture-of-lipiodol-and-india-ink
#13
Kyung Soo Kim, Kyongmin Sarah Beck, Kyo Young Lee, Seok Whan Moon
Small and deeply seated pure ground-glass opacity (GGO) pulmonary nodules (PNs) are not discernible during video-assisted thoracoscopic surgery (VATS). Moreover, pathologists have difficulty in detecting these nodules due to insufficient localization. We percutaneously injected a mixture of lipiodol and India ink during preoperative CT-guided localization in a 52-year-old female patient presenting with a pure GGO PN. A black-pigmented tattoo lesion was clearly identified, and thoracoscopic wedge resection was performed without difficulty...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28503304/clinico-pathologic-presentation-of-hypersensitivity-pneumonitis-in-egyptian-patients-a-multidisciplinary-study
#14
Dalia Abd El-Kareem, Yosri M Akl, Gina A Nakhla, Ali A Elhindawi, Mahmoud A Eltorky
BACKGROUND: Hypersensitivity pneumonitis (HP) is a common diffuse parenchymal lung disease in Egypt which can be difficult to recognize due to the dynamic symptoms & associated environmental factors. METHODS: Forty-three Egyptian patients were enrolled in this study, presenting with dyspnea and cough, predominant ground-glass opacity (GGO) in high-resolution computed tomography (HRCT) where lung biopsy was needed to establish the diagnosis. RESULTS: The age range was 15 to 60 years...
2017: Multidisciplinary Respiratory Medicine
https://www.readbyqxmd.com/read/28490218/evaluation-of-clinical-prognostic-factors-for-interstitial-pneumonia-in-anti-mda5-antibody-positive-dermatomyositis-patients
#15
Youhei Fujiki, Takuya Kotani, Kentaro Isoda, Takaaki Ishida, Takeshi Shoda, Shuzo Yoshida, Tohru Takeuchi, Shigeki Makino
OBJECTIVES: We retrospectively investigated clinical prognostic factors for interstitial pneumonia (IP) in anti-melanoma differentiation-associated gene 5 (MDA5) antibody (Ab)-positive dermatomyositis (DM) patients. METHODS: Subjects comprised 18 patients with anti-MDA5 Ab-positive DM-IP (9 survivors; 9 deaths). RESULTS: Initial serum albumin levels, ferritin levels, and ground-glass opacity (GGO) scores in the right middle lobes were significantly higher in the death group than in the survivor group (p = ...
May 11, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28464844/pulmonary-strongyloidiasis-assessment-between-manifestation-and-radiological-findings-in-16-severe-strongyloidiasis-cases
#16
Daijiro Nabeya, Shusaku Haranaga, Gretchen Lynn Parrott, Takeshi Kinjo, Saifun Nahar, Teruhisa Tanaka, Tetsuo Hirata, Akira Hokama, Masao Tateyama, Jiro Fujita
BACKGROUND: Strongyloidiasis is a chronic parasitic infection caused by Strongyloides stercoralis. Severe cases such as, hyperinfection syndrome (HS) and disseminated strongyloidiasis (DS), can involve pulmonary manifestations. These manifestations frequently aid the diagnosis of strongyloidiasis. Here, we present the pulmonary manifestations and radiological findings of severe strongyloidiasis. METHODS: From January 2004 to December 2014, all patients diagnosed with severe strongyloidiasis at the University of the Ryukyus Hospital or affiliated hospitals in Okinawa, Japan, were included in this retrospective study...
May 2, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28446985/whack-a-mole-strategy-for-multifocal-ground-glass-opacities-of-the-lung
#17
REVIEW
Kenji Suzuki
Ground glass opacity (GGO) is a good prognostic indicator for lung cancer and is useful for physicians to predict prognosis. Due to recent advances in computed tomography (CT), the chance to encounter GGO is rapidly increasing in clinical practice. Based on the studies on radiological pathological correlation, GGO represents pathological lepidic growth and consolidation on CT represents pathologically invasive components. Thus, consolidation tumor ratio 0.5 or less means pathological less invasiveness for lung cancer...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28433219/importance-of-ground-glass-opacity-component-in-clinical-stage-ia-radiologic-invasive-lung-cancer
#18
Aritoshi Hattori, Takeshi Matsunaga, Kazuya Takamochi, Shiaki Oh, Kenji Suzuki
BACKGROUND: We evaluated the clinical significance of the presence of a ground glass opacity (GGO) component in clinical stage IA radiologic invasive non-small cell lung cancer (NSCLC). METHODS: We reviewed 497 surgically resected clinical stage IA radiologic invasive NSCLCs, which were then classified into two groups based on consolidation tumor ratio (CTR), that is part-solid (0.5 ≤ CTR < 1.0, n = 177) and pure-solid (CTR = 1.0, n = 320). The part-solid tumors were subdivided into GGO-predominant (0...
July 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28431123/surgical-intervention-for-ground-glass-dominant-lesions-observation-or-outright-resection
#19
Mariko Fukui, Kenji Suzuki, Takeshi Matsunaga, Shiaki Oh, Kazuya Takamochi
Background: The management of ground glass opacity (GGO) on computed tomography (CT) remains controversial. Information of the relationship between clinical behavior and pathological invasiveness of GGO is valuable for management. We conducted this retrospective study to establish differences in the pathological invasiveness between GGO with and without changes. Methods: Among 1762 patients, the following criteria was used: (1) maximum tumor diameter of 3 cm or less, (2) tumor having 50% or more GGO and (3) resection after at least three months of follow up...
April 18, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28385373/computed-tomography-features-of-lung-adenocarcinomas-with-programmed-death-ligand-1-expression
#20
Gouji Toyokawa, Kazuki Takada, Tatsuro Okamoto, Mototsugu Shimokawa, Yuka Kozuma, Taichi Matsubara, Naoki Haratake, Shinkichi Takamori, Takaki Akamine, Masakazu Katsura, Fumihiro Shoji, Yoshinao Oda, Yoshihiko Maehara
INTRODUCTION: The development of immune checkpoint inhibitors against programmed death 1 has paved the way for a new era of treatment of lung cancer. Programmed death-ligand 1 (PD-L1) is expected to predict the response of immune checkpoint inhibitors in lung cancer. Predicting PD-L1 expression using a noninvasive method before immunotherapy would, therefore, help identify patients for whom immunotherapy can be successful. PATIENTS AND METHODS: A total of 394 patients with resected lung adenocarcinoma who had undergone preoperative thin-section computed tomography (CT) were analyzed for PD-L1 expression by immunohistochemistry and evaluated to determine the association between PD-L1 expression and CT characteristics, including convergence, surrounding ground glass opacity (GGO), air bronchogram, notching, pleural indentation, spiculation, and cavitation...
March 16, 2017: Clinical Lung Cancer
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