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https://www.readbyqxmd.com/read/28320035/srage-is-elevated-in-the-lungs-of-premature-infants-receiving-mechanical-ventilation
#1
Henry J Rozycki, Jennifer Bradley, Simon Karam
Background Soluble receptor for advanced glycation end-products (sRAGE), a soluble isoform of the RAGE receptor, is elevated in lungs from patients with acute conditions such as acute respiratory distress syndrome and bronchiolitis. This study investigated whether sRAGE is present in ventilated infants. Methods Tracheal aspirates from the first week or the fifth week of life were obtained from intubated very low birth weight subjects and analyzed by Western blot. Immunohistochemistry analysis for sRAGE was performed on paraffin-embedded lung autopsy slides from 19 other infants...
March 20, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28298147/interrogating-bronchoalveolar-lavage-samples-via-exclusion-based-analyte-extraction
#2
Jacob J Tokar, Jay W Warrick, David J Guckenberger, Jamie M Sperger, Joshua M Lang, J Scott Ferguson, David J Beebe
Although average survival rates for lung cancer have improved, earlier and better diagnosis remains a priority. One promising approach to assisting earlier and safer diagnosis of lung lesions is bronchoalveolar lavage (BAL), which provides a sample of lung tissue as well as proteins and immune cells from the vicinity of the lesion, yet diagnostic sensitivity remains a challenge. Reproducible isolation of lung epithelia and multianalyte extraction have the potential to improve diagnostic sensitivity and provide new information for developing personalized therapeutic approaches...
March 1, 2017: SLAS Technol
https://www.readbyqxmd.com/read/28297441/comprehensive-dosimetric-planning-comparison-for-early-stage-non-small-cell-lung-cancer-with-sabr-fixed-beam-imrt-versus-vmat-versus-tomotherapy
#3
Ilma Xhaferllari, Omar El-Sherif, Stewart Gaede
Volumetric-modulated arc therapy (VMAT) is emerging as a leading technology in treating early-stage, non-small cell lung cancer (NSCLC) with stereotactic ablative radiotherapy (SABR). However, two other modalities capable of delivering intensity-modulated radiation therapy (IMRT) include fixed-beam and helical TomoTherapy (HT). This study aims to provide an extensive dosimetric comparison among these various IMRT techniques for treating early-stage NSCLC with SABR. Ten early-stage NSCLC patients were retrospectively optimized using three fixed-beam techniques via nine to eleven beams (high and low modulation step-and-shoot (SS), and sliding window (SW)), two VMAT techniques via two partial arcs (SmartArc (SA) and RapidArc (RA)), and three HT techniques via three different fan beam widths (1 cm, 2...
September 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28278348/a-prospective-multi-institutional-pathologist-based-assessment-of-4-immunohistochemistry-assays-for-pd-l1-expression-in-non-small-cell-lung-cancer
#4
David L Rimm, Gang Han, Janis M Taube, Eunhee S Yi, Julia A Bridge, Douglas B Flieder, Robert Homer, William W West, Hong Wu, Anja C Roden, Junya Fujimoto, Hui Yu, Robert Anders, Ashley Kowalewski, Christopher Rivard, Jamaal Rehman, Cory Batenchuk, Virginia Burns, Fred R Hirsch, Ignacio I Wistuba
Importance: Four assays registered with the US Food and Drug Administration (FDA) detect programmed cell death ligand 1 (PD-L1) to enrich for patient response to anti-programmed cell death 1 and anti-PD-L1 therapies. The tests use 4 separate PD-L1 antibodies on 2 separate staining platforms and have their own scoring systems, which raises questions about their similarity and the potential interchangeability of the tests. Objective: To compare the performance of 4 PD-L1 platforms, including 2 FDA-cleared assays, 1 test for investigational use only, and 1 laboratory-developed test...
March 9, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28272845/accuracy-of-next-generation-sequencing-for-the-identification-of-clinically-relevant-variants-in-cytology-smears-in-lung-adenocarcinoma
#5
Jordan E Baum, Pan Zhang, Rana S Hoda, Brian Geraghty, Hanna Rennert, Navneet Narula, Helen D Fernandes
BACKGROUND: Minimally invasive diagnostic procedures such as needle-core biopsy and fine-needle aspiration provide adequate material for molecular analyses. Advances in precision oncology are trending toward the interrogation of limited amounts of genomic material to guide clinical and therapeutic decisions. The aim of this study was to investigate the minimum cellularity needed on cytologic smears for the identification of clinically relevant variants with next-generation sequencing (NGS)...
March 8, 2017: Cancer
https://www.readbyqxmd.com/read/28248819/a-grading-system-combining-tumor-budding-and-nuclear-diameter-predicts-prognosis-in-resected-lung-squamous-cell-carcinoma
#6
Kyuichi Kadota, Yumi Miyai, Naomi Katsuki, Yoshio Kushida, Toru Matsunaga, Masaya Okuda, Hiroyasu Yokomise, Nobuhiro Kanaji, Shuji Bandoh, Reiji Haba
For lung squamous cell carcinomas, there are no histologic findings that have been universally accepted as prognostic factors. Tumor budding and nuclear grade have been recognized as prognostic factors in other carcinomas. In this study, we investigated whether pathologic findings could determine clinical outcome in Japanese patients with lung squamous cell carcinomas. Tumor slides from surgically resected lung squamous cell carcinomas (1999 to 2012) were reviewed (n=216). Tumors were evaluated for histologic subtypes, differentiation, tumor budding, nuclear diameter, and mitosis...
February 28, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28241108/external-quality-assurance-in-nongynecologic-cytology-the-australasian-experience
#7
Paul W Shield, Felicity Frost, Jo L Finnimore, R Gordon Wright, Margaret C Cummings
BACKGROUND: The Royal College of Pathologists of Australasia Cytopathology Quality Assurance Program has operated an external quality assurance program in nongynecologic cytopathology since 1993. Glass slide preparations of a wide range of nongynecologic cases were circulated to approximately 200 cytopathology laboratories in 16 countries. METHODS: General nongynecologic cytology cases were manufactured from residual specimens after routine diagnosis. Fine-needle aspiration (FNA) cases were made by sampling fresh tissue and making direct specimens...
February 27, 2017: Cancer
https://www.readbyqxmd.com/read/28231386/evaluating-the-effectiveness-of-rna-in-situ-hybridization-for-detecting-lung-adenocarcinoma-with-anaplastic-lymphoma-kinase-rearrangement
#8
Naoki Nakajima, Akihiko Yoshizawa, Kyoko Kondo, Mariyo Rokutan-Kurata, Masahiro Hirata, Ayako Furuhata, Shinji Sumiyoshi, Makoto Sonobe, Toshi Menju, Masanobu Momose, Masakazu Fujimoto, Hiroshi Date, Hironori Haga
AIMS: An easy and rapid assay for detecting mRNA in formalin-fixed paraffin-embedded samples (RNA-in situ hybridization; RNA-ISH) has been reported recently. We investigated the diagnostic accuracy of RNA-ISH for detecting lung adenocarcinoma (LA) with anaplastic lymphoma kinase (ALK) gene rearrangement. METHODS AND RESULTS: We tested ALK RNA-ISH on 11 resected LAs for which ALK fusion was confirmed by immunohistochemistry (IHC) and/or fluorescence in situ hybridization (FISH)...
February 23, 2017: Histopathology
https://www.readbyqxmd.com/read/28223152/pathological-findings-and-prognosis-in-a-large-prospective-cohort-of-chronic-hypersensitivity-pneumonitis
#9
Ping Wang, Kirk D Jones, Anatoly Urisman, Brett M Elicker, Thomas Urbania, Kerri A Johannson, Deborah Assayag, Joyce Lee, Paul J Wolters, Harold R Collard, Laura L Koth
BACKGROUND: The ability of specific histopathological features to predict mortality or lung transplant in chronic hypersensitivity pneumonitis patients is unknown. METHODS: Patients with chronic hypersensitivity pneumonitis diagnosed by surgical lung biopsy were identified from an ongoing longitudinal cohort. The surgical lung biopsy slides were evaluated prospectively by an experienced thoracic pathologist using a standardized checklist to differentiate the major pathologic patterns and score the presence of specific histopathological features...
February 18, 2017: Chest
https://www.readbyqxmd.com/read/28217073/lung-point-and-power-slide-signs-help-to-improve-the-accuracy-of-lung-ultrasound-to-diagnose-pneumothorax
#10
Swapnil Y Parab, Sohan Lal Solanki
No abstract text is available yet for this article.
January 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28210937/imp3-expression-in-small-intestine-neuroendocrine-neoplasms-a-new-predictor-of-recurrence
#11
Sara Massironi, Alessandro Del Gobbo, Federica Cavalcoli, Stefano Fiori, Dario Conte, Alessio Pellegrinelli, Massimo Milione, Stefano Ferrero
PURPOSE: Small-intestine neuroendocrine neoplasms are heterogeneous neoplasms arising from endocrine cells of the intestinal mucosa. Ki-67 is the main determinant of prognosis in neuroendocrine neoplasms. However, the search for new prognostic makers represents a key point with regard to small-intestine neuroendocrine neoplasms. The oncofetal protein IMP3 plays a role in cell growth and its expression has a prognostic value in lung neoplasms. METHODS: From January 1998 to August 2015, all the consecutive small-intestine neuroendocrine neoplasms patients suitable for surgery were included: 51 patients (32 males, median age 68 years) had small-intestine neuroendocrine neoplasms classified according to the WHO 2010 classification...
February 17, 2017: Endocrine
https://www.readbyqxmd.com/read/28185629/the-role-of-adjunctive-procedures-in-reducing-postoperative-tracheobronchial-obstruction-in-single-lung-patients-with-congenital-tracheal-stenosis-undergoing-slide-tracheoplasty
#12
Akiko Yokoi, Yoshihiro Oshima, Eiji Nishijima
PURPOSE: Congenital tracheal stenosis (CTS) and a single right lung treated with slide tracheoplasty (ST) has relatively high rates of mortality and morbidity. We report a single institution's experience with adjunctive procedures at the time of ST to reduce postoperative tracheal obstruction in patients with a single right lung and CTS. METHODS: With IRB approval, 8 patients with a single right lung and CTS who underwent ST in our institution between 2008 and 2016 were reviewed...
January 27, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28150228/personalizing-mechanical-ventilation-according-to-physiologic-parameters-to-stabilize-alveoli-and-minimize-ventilator-induced-lung-injury-vili
#13
REVIEW
Gary F Nieman, Joshua Satalin, Penny Andrews, Hani Aiash, Nader M Habashi, Louis A Gatto
It has been shown that mechanical ventilation in patients with, or at high-risk for, the development of acute respiratory distress syndrome (ARDS) can be a double-edged sword. If the mechanical breath is improperly set, it can amplify the lung injury associated with ARDS, causing a secondary ventilator-induced lung injury (VILI). Conversely, the mechanical breath can be adjusted to minimize VILI, which can reduce ARDS mortality. The current standard of care ventilation strategy to minimize VILI attempts to reduce alveolar over-distension and recruitment-derecruitment (R/D) by lowering tidal volume (Vt) to 6 cc/kg combined with adjusting positive-end expiratory pressure (PEEP) based on a sliding scale directed by changes in oxygenation...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28149842/inertia-based-microfluidic-capture-and-characterisation-of-circulating-tumour-cells-for-the-diagnosis-of-lung-cancer
#14
Dimple Y Chudasama, Daria V Freydina, Maxim B Freidin, Maria Leung, Angeles Montero Fernandez, Alexandra Rice, Andrew G Nicholson, Emmanouil Karteris, Vladimir Anikin, Eric Lim
BACKGROUND: Routine clinical application of circulating tumour cells (CTCs) for blood based diagnostics is yet to be established. Despite growing evidence of their clinical utility for diagnosis, prognosis and treatment monitoring, the efficacy of a robust platform and universally accepted diagnostic criteria remain uncertain. We evaluate the diagnostic performance of a microfluidic CTC isolation platform using cytomorphologic criteria in patients undergoing lung cancer surgery. METHODS: Blood was processed from 51 patients undergoing surgery for known or suspected lung cancer using the ClearBridge ClearCell FX system(TM) (ClearBridge Biomedics, Singapore)...
December 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28114305/targeted-sequencing-of-lung-function-loci-in-chronic-obstructive-pulmonary-disease-cases-and-controls
#15
María Soler Artigas, Louise V Wain, Nick Shrine, Tricia M McKeever, Ian Sayers, Ian P Hall, Martin D Tobin
Chronic obstructive pulmonary disease (COPD) is the third leading cause of death worldwide; smoking is the main risk factor for COPD, but genetic factors are also relevant contributors. Genome-wide association studies (GWAS) of the lung function measures used in the diagnosis of COPD have identified a number of loci, however association signals are often broad and collectively these loci only explain a small proportion of the heritability. In order to examine the association with COPD risk of genetic variants down to low allele frequencies, to aid fine-mapping of association signals and to explain more of the missing heritability, we undertook a targeted sequencing study in 300 COPD cases and 300 smoking controls for 26 loci previously reported to be associated with lung function...
2017: PloS One
https://www.readbyqxmd.com/read/28105217/tumor-suppressor-candidate-3-as-a-novel-predictor-for-lymph-node-metastasis-in-lung-cancer-patients
#16
Xinshuang Yu, Kaixian Zhang, Fengjun Liu, Jiandong Zhang, Chunjuan Zhai, Lili Cao, Xingye Song, Yao Wang, Baosheng Li, Hongjun Sun, Juan Du
Tumor suppressor candidate 3 (TUSC3) was recently identified as a potential tumor suppressor gene in several cancer types. However, no data are currently available regarding the expression of TUSC3 in lung cancer. The present study investigated the expression of TUSC3 in patients with lung cancer and determined its association with the clinicopathological parameters of the disease. Cytoplasmic TUSC3 expression was evaluated by immunohistochemistry on tissue microarray slides, which included 35 small cell lung cancer (SCLC) specimens, 80 squamous cell lung cancer specimens (SCC), 80 adenocarcinoma lung cancer (ADC) specimens and 37 normal lung tissue specimens...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28102958/sliding-window-prior-data-assisted-compressed-sensing-for-mri-tracking-of-lung-tumors
#17
Eugene Yip, Jihyun Yun, Keith Wachowicz, Zsolt Gabos, Satyapal Rathee, B G Fallone
PURPOSE: Hybrid magnetic resonance imaging and radiation therapy devices are capable of imaging in real-time to track intrafractional lung tumor motion during radiotherapy. Highly accelerated magnetic resonance (MR) imaging methods can potentially reduce system delay time and/or improves imaging spatial resolution, and provide flexibility in imaging parameters. Prior Data Assisted Compressed Sensing (PDACS) has previously been proposed as an acceleration method that combines the advantages of 2D compressed sensing and the KEYHOLE view-sharing technique...
January 2017: Medical Physics
https://www.readbyqxmd.com/read/28098570/preferential-localization-of-met-expression-at-the-invasion-front-and-in-spreading-cells-through-air-spaces-in-non-small-cell-lung-carcinomas
#18
Camille Lapère, Alexis B Cortot, Valérie Grégoire, Vincent Cockenpot, David Tulasne, Marie-Christine Copin
The involvement of the HGF/MET pathway in acquisition of an invasive phenotype in non-small cell lung carcinomas (NSCLCs) suggests that MET inhibitors might prove effective against these cancers, but clinical trials have yielded conflicting results. The aim of our study was to evaluate how intratumoral heterogeneity (ITH) of MET staining affects the determination of MET status for therapeutic purposes. We analyzed 64 NSCLC samples, including 33 adenocarcinomas (ADCs) and 31 squamous cell carcinomas (SCCs). We used immunohistochemistry to detect MET and phospho-MET on whole slides and determined the MET SP44 immunoscore and the H-score...
March 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28073845/agreement-between-programmed-cell-death-ligand-1-diagnostic-assays-across-multiple-protein-expression-cut-offs-in-non-small-cell-lung-cancer
#19
Marianne J Ratcliffe, Alan Sharpe, Anita Midha, Craig Barker, Marietta Scott, Paul Scorer, Hytham Al-Masri, Marlon Rebelatto, Jill Walker
PURPOSE: agents:Immunotherapies targeting programmed cell death-1 (PD-1) and programmed cell death ligand-1 (PD-L1) demonstrate encouraging antitumor activity and manageable tolerability in non-small cell lung cancer (NSCLC), especially in patients with high tumor PD-L1 expression, as detected by companion or complementary diagnostic assays developed for individual agents. A laboratory is unlikely to use multiple assay platforms. Furthermore, commercially available diagnostic assays are not standardized and different assay methods could lead to inappropriate treatment selection...
January 10, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28065467/lung-adenocarcinoma-with-muc4-expression-is-associated-with-smoking-status-her2-protein-expression-and-poor-prognosis-clinicopathologic-analysis-of-338-cases
#20
Mariyo Rokutan-Kurata, Akihiko Yoshizawa, Shinji Sumiyoshi, Makoto Sonobe, Toshi Menju, Masanobu Momose, Mizuki Koyama, Shohei Shigeto, Masakazu Fujimoto, Meng Zhang, Satoshi Morita, Hiroshi Date, Hironori Haga
BACKGROUND: MUC4 is a transmembrane glycoprotein that plays a role in the cell growth signaling pathway and has been studied in various organ malignancies. This study aimed to analyze MUC4 expression in resected lung adenocarcinomas (ADCs) to define the clinicopathologic characteristics of MUC4-positive cancers. PATIENTS AND METHODS: Immunohistochemical MUC4 analysis was performed using tissue microarray slides containing 338 lung ADCs. Associations between MUC4 expression and the following clinicopathologic parameters were evaluated: sex; age; smoking status; tumor stage; tumor grade; lymphovascular invasion; pleural invasion; TTF-1 and HNF4α expression; EGFR, KRAS, BRAF, and HER2 mutation status; and ALK and ROS1 fusion status...
December 2, 2016: Clinical Lung Cancer
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