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https://www.readbyqxmd.com/read/28074327/when-should-negative-endobronchial-ultrasonography-findings-be-confirmed-by-a-more-invasive-procedure
#1
Basil S Nasir, Kazuhiro Yasufuku, Moishe Liberman
The treatment of non-small cell lung cancer is largely dependent on accurate staging in order to determine appropriate therapy. Despite advances in imaging, such as computed tomography and positron emission tomography, invasive mediastinal staging is frequently needed to rule out mediastinal involvement prior to curative-intent stereotactic ablative radiotherapy or surgical resection. Surgical mediastinal staging with mediastinoscopy, or anterior mediastinotomy, were traditionally considered the gold standard for invasive mediastinal staging...
January 10, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28073897/identification-of-alk-ros1-and-ret-fusions-by-a-multiplexed-mrna-based-assay-in-formalin-fixed-paraffin-embedded-samples-from-advanced-non-small-cell-lung-cancer-patients
#2
Noemí Reguart, Cristina Teixidó, Ana Giménez-Capitán, Laia Paré, Patricia Galván, Santiago Viteri, Sonia Rodríguez, Vicente Peg, Erika Aldeguer, Nuria Viñolas, Jordi Remon, Niki Karachaliou, Esther Conde, Fernando Lopez-Rios, Ernest Nadal, Sabine Merkelbach-Bruse, Reinhard Büttner, Rafael Rosell, Miguel A Molina-Vila, Aleix Prat
BACKGROUND: Anaplastic lymphoma receptor tyrosine kinase (ALK), ROS protooncogene 1, receptor tyrosine kinase (ROS1), and ret protooncogene (RET) fusions are present in 5%-7% of patients with advanced non-small-cell lung cancer (NSCLC); their accurate identification is critical to guide targeted therapies. FISH and immunohistochemistry (IHC) are considered the gold standards to determine gene fusions, they have limitations. The nCounter platform is a potentially useful genomic tool for multiplexed detection of gene fusions, but has not been validated in the clinical setting...
January 10, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28066614/the-role-of-bronchoscopy-in-the-diagnosis-of-early-lung-cancer-a-review
#3
REVIEW
Marco Andolfi, Rossella Potenza, Rosanna Capozzi, Valeria Liparulo, Francesco Puma, Kazuhiro Yasufuku
Lung cancer is the leading cause of cancer-related deaths worldwide with an overall 5-year survival rate of 17% after diagnoses. Indeed many patients tend to have a very poor prognosis, due to being diagnosed at an advanced stage. Conversely patients who are diagnosed at an early stage have a 5-year survival >70%, indicating that early detection of lung cancer is crucial to improve survival. Although flexible bronchoscopy is a relatively non-invasive procedure for patients suspected of having lung cancer, only 29% of carcinoma in situ (CIS) and 69% of microinvasive tumors were detectable using white light bronchoscopy (WLB) alone...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28049169/management-of-stage-i-and-ii-nonsmall-cell-lung-cancer
#4
Fiona McDonald, Michèle De Waele, Lizza E L Hendriks, Corinne Faivre-Finn, Anne-Marie C Dingemans, Paul E Van Schil
The incidence of stage I and II nonsmall cell lung cancer is likely to increase with the ageing population and introduction of screening for high-risk individuals. Optimal management requires multidisciplinary collaboration. Local treatments include surgery and radiotherapy and these are currently combined with (neo)adjuvant chemotherapy in specific cases to improve long-term outcome. Targeted therapies and immunotherapy may also become important therapeutic modalities in this patient group. For resectable disease in patients with low cardiopulmonary risk, complete surgical resection with lobectomy remains the gold standard...
January 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28047525/su-g-bra-11-tumor-tracking-in-an-iterative-volume-of-interest-based-4d-cbct-reconstruction
#5
R Martin, M Ahmad, T Pan
PURPOSE: 4D CBCT can allow evaluation of tumor motion immediately prior to radiation therapy, but suffers from heavy artifacts that limit its ability to track tumors. Various iterative and compressed sensing reconstructions have been proposed to reduce these artifacts, but are costly time-wise and can degrade the image quality of bony anatomy for alignment with regularization. We have previously proposed an iterative volume of interest (I4D VOI) method which minimizes reconstruction time and maintains image quality of bony anatomy by focusing a 4D reconstruction within a VOI...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28028336/comparative-study-of-bronchoalveolar-lavage-bronchial-brushing-and-fnac-in-diagnosing-malignant-neoplasms-of-lungs
#6
Vijeta Tomar, N Vijay, P Nuwal, R Dixit
BACKGROUND: Lung cancer is the leading cause of death in developed countries and is increasing at alarming rates in developing countries. Cytological techniques such as bronchoalveolar lavage (BAL), bronchial brushing (BB), and fine needle aspiration cytology (FNAC) can aid in the early diagnosis of lung malignancies. MATERIALS AND METHODS: A total of 67 cases, suspected of lung cancer between January 2010 and December 2012, were selected where samples of BAL, BB, FNAC, as well as biopsy were obtained and processed according to the standard procedures of cytology and histology...
October 2016: Journal of Cytology
https://www.readbyqxmd.com/read/27976661/an-approach-to-interpreting-restrictive-spirometric-pattern-results-in-occupational-settings
#7
Federica Tafuro, Massimo Corradi
OBJECTIVES: The aim of this review is to provide an updated overview of definition, epidemiology, diagnostic algorithm and occupational exposures related to abnormal restrictive spirometrical pattern (RSP) in order to improve the correct interpretation of spirometry test results by occupational healthcare providers. METHODS: A review of the scientific English literature of the last 25 years was carried out with MEDLINE and related keywords [(restricti* AND spirometr*) AND occupational]...
December 13, 2016: La Medicina del Lavoro
https://www.readbyqxmd.com/read/27931198/fdg-pet-parameters-predicting-mediastinal-malignancy-in-lung-cancer
#8
M Serra Fortuny, M Gallego, Ll Berna, C Montón, L Vigil, M J Masdeu, A Fernández-Villar, M I Botana, R Cordovilla, R García-Luján, E Cases, E Monsó
BACKGROUND: Staging of mediastinal lymph nodes in non-small cell lung cancer (NSCLC) is mandatory. The maximum Standard Uptake Value (SUVmax) obtained using F-18 fluorodeoxyglucose positron emission tomography (FDG-PET) is the best non-invasive technique available for this evaluation, but its performance varies from center to center. The aim of the present study was to identify FDG-PET predictors of mediastinal malignancy that are able to minimize intercenter variability and improve the selection of subsequent staging procedures...
December 8, 2016: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/27922537/bayesian-analysis-of-silica-exposure-and-lung-cancer-using-human-and-animal-studies
#9
Scott M Bartell, Ghassan Badri Hamra, Kyle Steenland
BACKGROUND: Bayesian methods can be used to incorporate external information into epidemiologic exposure-response analyses of silica and lung cancer. METHODS: We used data from a pooled mortality analysis of silica and lung cancer (n=65,980), using untransformed and log-transformed cumulative exposure. Animal data came from chronic silica inhalation studies using rats. We conducted Bayesian analyses with either diffuse or informative priors based on the animal data and different cross-species extrapolation factors...
November 29, 2016: Epidemiology
https://www.readbyqxmd.com/read/27914192/accuracy-and-consequences-of-same-day-invasive-lung-cancer-workup-a-retrospective-study-in-patients-treated-with-surgical-resection
#10
Kirsten Riis Madsen, Asbjørn Høegholm, Uffe Bodtger
BACKGROUND: Though widely used, little is known about accuracy and efficacy of same-day, invasive workup of suspected lung cancer. OBJECTIVE: To evaluate the accuracy and efficacy of same-day, invasive lung cancer workup (diagnosis and mediastinal staging), and to identify differences between patients without (Group A) or with (Group B) need for resampling. METHODS: A retrospective study was performed on all consecutive patients referred for surgical treatment for localised lung cancer after invasive diagnostic and staging workup at our unit...
2016: European Clinical Respiratory Journal
https://www.readbyqxmd.com/read/27888307/monitoring-doxorubicin-cellular-uptake-and-trafficking-using-in-vitro-raman-microspectroscopy-short-and-long-time-exposure-effects-on-lung-cancer-cell-lines
#11
Zeineb Farhane, Franck Bonnier, Hugh J Byrne
Raman microspectroscopy is a non-invasive, in vitro analytical tool which is being increasingly explored for its potential in clinical applications and monitoring the uptake, mechanism of action and cellular interaction at a molecular level of chemotherapeutic drugs, ultimately as a potential label-free preclinical screening and companion diagnostic tool. In this study, doxorubicin (DOX), a "gold standard" chemotherapeutic drug, is employed as a model in the in vitro lung cancer cell line A549 in order to demonstrate the potential of Raman microspectroscopy to screen and identify spectroscopic markers of its trafficking and mechanism of action...
November 25, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27869796/longitudinal-microcomputed-tomography-derived-biomarkers-for-lung-metastasis-detection-in-a-syngeneic-mouse-model-added-value-to-bioluminescence-imaging
#12
Eyra Marien, Amy Hillen, Frank Vanderhoydonc, Johannes V Swinnen, Greetje Vande Velde
With more patients dying from metastasis than from primary cancers, metastasis is a very important area in cancer research. Investigators thereby heavily rely on animal models of metastasis to common organs such as the lung to improve our insight into the pathogenesis and to research novel therapeutic approaches to combat metastasis. In this experimental context, novel tools that allow longitudinal monitoring of lung metastasis in individual animals are highly needed. We have therefore evaluated for the first time microcomputed tomography (μCT) as a very efficient and crossvalidated means to noninvasively and repeatedly monitor metastasis to the lung in individual, free-breathing syngeneic mice...
November 21, 2016: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/27863497/next-generation-sequencing-facilitates-detection-of-the-classic-e13-a20-eml4-alk-fusion-in-an-alk-fish-ihc-inconclusive-biopsy-of-a-stage-iv-lung-cancer-patient-a-case-report
#13
Anna-Lena Volckmar, Volker Endris, Farastuk Bozorgmehr, Clemens Lier, Carlota Porcel, Martina Kirchner, Jonas Leichsenring, Roland Penzel, Michael Thomas, Peter Schirmacher, Arne Warth, Albrecht Stenzinger
BACKGROUND: Inhibition of the oncogenic fusion-gene EML4-ALK is a current first-line approach for patients with stage IV non-small cell lung cancer. While FISH was established as the gold standard for identifying these patients, there is accumulating evidence that other methods of detection, i.e., immunohistochemistry and next-generation sequencing (NGS), exist that may be equally successful. However, the concordance of these methods is under investigation. CASE PRESENTATION: Adding to the current literature, we here report a 56 year old female never-smoker with stage IV lung adenocarcinoma whose biopsy was IHC and FISH inconclusive but positive in NGS...
November 18, 2016: Diagnostic Pathology
https://www.readbyqxmd.com/read/27843640/therapeutic-value-of-egfr-inhibition-in-crc-and-nsclc-15%C3%A2-years-of-clinical-evidence
#14
REVIEW
Teresa Troiani, Stefania Napolitano, Carminia Maria Della Corte, Giulia Martini, Erika Martinelli, Floriana Morgillo, Fortunato Ciardiello
Epidermal growth factor receptor (EGFR) plays a key role in tumour evolution, proliferation and immune evasion, and is one of the most important targets for biological therapy, especially for non-small-cell lung cancer (NSCLC) and colorectal cancer (CRC). In the past 15 years, several EGFR antagonists have been approved for the treatment of NSCLC and metastatic CRC (mCRC). To optimise the use of anti-EGFR agents in clinical practice, various clinical and molecular biomarkers have been investigated, thus moving their indication from unselected to selected populations...
2016: ESMO Open
https://www.readbyqxmd.com/read/27836716/activity-and-safety-of-brigatinib-in-alk-rearranged-non-small-cell-lung-cancer-and-other-malignancies-a-single-arm-open-label-phase-1-2-trial
#15
Scott N Gettinger, Lyudmila A Bazhenova, Corey J Langer, Ravi Salgia, Kathryn A Gold, Rafael Rosell, Alice T Shaw, Glen J Weiss, Meera Tugnait, Narayana I Narasimhan, David J Dorer, David Kerstein, Victor M Rivera, Timothy Clackson, Frank G Haluska, David Ross Camidge
BACKGROUND: Anaplastic lymphoma kinase (ALK) gene rearrangements are oncogenic drivers of non-small-cell lung cancer (NSCLC). Brigatinib (AP26113) is an investigational ALK inhibitor with potent preclinical activity against ALK mutants resistant to crizotinib and other ALK inhibitors. We aimed to assess brigatinib in patients with advanced malignancies, particularly ALK-rearranged NSCLC. METHODS: In this ongoing, single-arm, open-label, phase 1/2 trial, we recruited patients from nine academic hospitals or cancer centres in the USA and Spain...
December 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27809604/video-assisted-thoracic-lobectomy-for-lung-cancer-in-italy-the-vats-group-project
#16
Roberto Crisci, Andrea Droghetti, Marcello Migliore, Alessandro Bertani, Alessandro Gonfiotti, Piergiorgio Solli
As part of the third Mediterranean Symposium in Thoracic Surgical Oncology, we introduce the Italian VATS Group ( http://vatsgroup.org/sito/index.php ). This national collaborative initiative was established in 2013 and started to recruit patients in January 2014; as of July 2016, 3680 patients have been enrolled in the database. Three different video-assisted thoracic surgery approaches have been predominantly used by Italian thoracic surgery centers, 71% of them preferentially adopting a multi-portal approach, with a 20% recorded morbidity...
December 2016: Future Oncology
https://www.readbyqxmd.com/read/27806632/video-assisted-thoracic-surgery-lobectomy-in-patients-with-reduced-pulmonary-function-a-single-center-series
#17
Alessandro Bertani, Paolo Albino Ferrari, Lavinia De Monte, Emanuele Russo, Gioacchino Di Paola
Video-assisted thoracic surgery (VATS) is currently considered a 'gold standard' approach for pulmonary lobectomy in patients with early-stage lung cancer, displaying equal or superior results compared with an open traditional approach. In patients with limited pulmonary function, VATS lobectomy may reduce the impact of surgery and allow outcomes similar to patients with normal pulmonary function. The preliminary analysis of our initial, single center series of VATS lobectomy showed less complications and shorter postoperative length of stay compared with a historical series of open lobectomy patients...
December 2016: Future Oncology
https://www.readbyqxmd.com/read/27804280/cone-beam-computed-tomography-for-lung-cancer-validation-with-ct-and-monitoring-tumour-response-during-chemo-radiation-therapy
#18
Alissa Michienzi, Tomas Kron, Jason Callahan, Nikki Plumridge, David Ball, Sarah Everitt
INTRODUCTION: Cone-beam computed tomography (CBCT) is a valuable image-guidance tool in radiation therapy (RT). This study was initiated to assess the accuracy of CBCT for quantifying non-small cell lung cancer (NSCLC) tumour volumes compared to the anatomical 'gold standard', CT. Tumour regression or progression on CBCT was also analysed. METHODS: Patients with Stage I-III NSCLC, prescribed 60 Gy in 30 fractions RT with concurrent platinum-based chemotherapy, routine CBCT and enrolled in a prospective study of serial PET/CT (baseline, weeks two and four) were eligible...
November 2, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27768024/our-experience-in-the-treatment-of-vertebral-metastases-from-renal-cell-carcinoma-a-retrospective-study
#19
Giulia R Mosele, Gianfilippo Caggiari, Roberto M Scarpa, Carlo Doria
BACKGROUND: Renal cell carcinoma (RCC) is among the 10 most common cancers in both men and women. It comprises 2-3% of all malignancies. The most common site for metastasis from RCC is the lung (50% of patients), followed by the skeleton (20% to 50% of patients). METHODS: We retrospectively reviewed our consecutive series of 63 patients surgically treated for spinal metastases from RCC. The surgical treatment for spinal metastases varied in each patient. Factors influencing the choice of surgery included age, disease status, symptoms, morbidity of the patient, the location, the number of repetitive lesions and the existence of extra-osseous metastases...
October 21, 2016: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/27732989/the-pursuit-of-noninvasive-diagnosis-of-lung-cancer
#20
Thomas Atwater, Christine M Cook, Pierre P Massion
The noninvasive diagnosis of lung cancer remains a formidable challenge. Although tissue diagnosis will remain the gold standard for the foreseeable future, questions pertaining to the risks and costs associated with invasive diagnostic procedures are of prime relevance. This review addresses new modalities for improving the noninvasive evaluation of suspicious lung nodules. Ultimately, the goal is to translate early diagnosis into early treatment. We discuss how biomarkers could assist in distinguishing benign from malignant nodules and aggressive from indolent tumors...
October 2016: Seminars in Respiratory and Critical Care Medicine
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