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https://www.readbyqxmd.com/read/29684234/systemic-treatment-options-for-brain-metastases-from-non-small-cell-lung-cancer
#1
REVIEW
Ajaz Bulbul, Patrick M Forde, Ayesha Murtuza, Brian Woodward, Hannah Yang, Ingmar Bastian, Parissa K Ferguson, Fernando Lopez-Diaz, David S Ettinger, Hatim Husain
Brain metastases are common in patients with non-small-cell lung cancer (NSCLC). Because of associated poor prognosis and limited specific treatment options, there is a real need for the development of medical therapies and strategies for affected patients. Novel compounds for epidermal growth factor receptor-dependent and anaplastic lymphoma kinase-dependent lung cancer have demonstrated blood-brain barrier permeability and have led to important improvements in central nervous system outcomes. Studies of targeted therapies for oncogene-driven tumors and of immunotherapies in patients with brain metastases have shown promise and, allied with novel radiation techniques, are driving a rapid evolution in treatment and prognosis for NSCLC brain metastases...
April 15, 2018: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/29682436/metastatic-sternal-osteosarcoma-a-rare-tumor
#2
Muhammad Masab, Ena Arora, Sorab Gupta, Hafsa Farooq, Vishal Jindal, Shorabh Sharma
Osteosarcoma is the most common primary malignant tumor of the long bones. However, primary osteosarcoma of the chest wall, particularly the sternum, is an extremely rare occurrence. We report a 36-year-old male presenting with a hard, immobile, palpable, anterior chest wall mass. A computed tomographic (CT) scan showed a large destructive anterior mediastinal mass involving the manubrium and sternum with multiple bilateral calcified lung masses, pleural effusions and partially calcified aortopulmonary, right hilar and subcarinal lymphadenopathy...
February 19, 2018: Curēus
https://www.readbyqxmd.com/read/29682139/pulmonary-epithelioid-angiosarcoma-responsive-to-chemotherapy-a-case-report
#3
Lora Shirey, Demetrius Coombs, Aditya Talwar, Timothy Mickus
Primary pulmonary epithelioid angiosarcoma (AS) is an extremely rare cancer with a poor prognosis. The presenting symptoms and imaging results are nonspecific and hold similarities with more common lung pathology, contributing to missed or delayed diagnosis. Complementing radiological imaging with patient information, such as presenting symptoms and exposures, is important for early consideration of pulmonary epithelioid AS. Even with supportive imaging findings and clinical suspicion for pulmonary epithelioid AS, the most reliable and definitive method for diagnosis is through immunohistochemistry...
April 2018: Radiology Case Reports
https://www.readbyqxmd.com/read/29681411/lung-dose-and-the-potential-risk-of-death-in-postoperative-radiation-therapy-for-non-small-cell-lung-cancer-a-study-using-the-method-of-stratified-grouping
#4
Jaesung Heo, O Kyu Noh, Hwan-Ik Kim, Mison Chun, Oyeon Cho, Rae Woong Park, Dukyong Yoon, Young-Taek Oh
PURPOSE: Postoperative radiation therapy may have a detrimental effect on survival in patients with non-small cell lung cancer. We investigated the association of the lung radiation dose with the risk of death in patients treated with postoperative radiation therapy. METHODS: We analyzed 178 patients with non-small cell lung cancer who received postoperative radiation therapy. The mean lung dose was calculated from dose-volume data, and we categorized patients into the high and low lung dose groups using 2 different methods; (1) simple grouping using the median lung dose of all patients, and (2) stratified grouping using the median lung dose of each subgroup sharing the same confounders...
April 19, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29681140/physician-s-awareness-of-lung-cancer-screening-and-its-related-medical-radiation-exposure-in-korea
#5
Seri Hong, Suyeon Kim, Mina Suh, Boyoung Park, Kui Son Choi, Jae Kwan Jun
OBJECTIVES: Through a survey on perception of lung cancer screening and accompanying medical radiation exposure in Korea, the present study was to investigate its current situations and evaluate various perception of physicians regarding it in order to propose measures for improvements. METHODS: Medical specialists in national cancer screening institutions selected through stratified random sampling were subjected to face-to-face interview using a structured questionnaire...
2018: Epidemiology and Health
https://www.readbyqxmd.com/read/29680834/high-dose-radiotherapy-as-neoadjuvant-treatment-in-non-small-cell-lung-cancer
#6
Aaron M Allen, Tzippy Shochat, Dov Flex, Mordechai R Kramer, Alona Zer, Nir Peled, Elizabeta Dudnik, Eyal Fenig, Milton Saute
BACKGROUND: Trimodality therapy (chemoradiation followed by surgery) provides a benefit in progression-free survival but not overall survival. We sought to determine if a high dose of radiation could be delivered safely and provide a clinical benefit. METHODS: Consecutive patients with stage IIIA or IIIB non-small-cell lung cancer (NSCLC) treated with concurrent chemoradiotherapy followed by surgery were reviewed with IRB approval. RESULTS: A total of 48 patients were treated from November 2007 to May 2014...
April 20, 2018: Oncology
https://www.readbyqxmd.com/read/29680711/surgical-quality-of-wedge-resection-affects-overall-survival-in-patients-with-early-stage-non-small-cell-lung-cancer
#7
Gaurav S Ajmani, Chi-Hsiung Wang, Ki Wan Kim, John A Howington, Seth B Krantz
OBJECTIVES: Very few studies have examined the quality of wedge resection in patients with non-small cell lung cancer. Using the National Cancer Database, we evaluated whether the quality of wedge resection affects overall survival in patients with early disease and how these outcomes compare with those of patients who receive stereotactic radiation. METHODS: We identified 14,328 patients with cT1 to T2, N0, M0 disease treated with wedge resection (n = 10,032) or stereotactic radiation (n = 4296) from 2005 to 2013 and developed a subsample of propensity-matched wedge and radiation patients...
March 13, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29680255/phase-2-study-of-stereotactic-body-radiation-therapy-and-stereotactic-body-proton-therapy-for-high-risk-medically-inoperable-early-stage-non-small-cell-lung-cancer
#8
Chonnipa Nantavithya, Daniel R Gomez, Xiong Wei, Ritsuko Komaki, Zhongxing Liao, Steven H Lin, Melenda Jeter, Quynh-Nhu Nguyen, Heng Li, Xiaodong Zhang, Falk Poenisch, X Ronald Zhu, Peter A Balter, Lei Feng, Noah C Choi, Radhe Mohan, Joe Y Chang
PURPOSE: To report the feasibility of conducting a randomized study to compare the toxicity and efficacy of stereotactic body radiation therapy (SBRT) versus stereotactic body proton therapy (SBPT) for high-risk, medically inoperable, early-stage non-small cell lung cancer (NSCLC). PATIENTS AND METHODS: Patients with medically inoperable NSCLC with high-risk features (centrally located or <5 cm T3 tumor or isolated lung parenchymal recurrences) were randomly assigned to SBRT or SBPT...
March 2, 2018: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29679299/impact-of-computer-aided-ct-and-pet-analysis-on-non-invasive-t-staging-in-patients-with-lung-cancer-and-atelectasis
#9
Paul Flechsig, Ramin Rastgoo, Clemens Kratochwil, Ole Martin, Tim Holland-Letz, Alexander Harms, Hans-Ulrich Kauczor, Uwe Haberkorn, Frederik L Giesel
PURPOSE: Tumor delineation within an atelectasis in lung cancer patients is not always accurate. When T staging is done by integrated 2-deoxy-2-[18 F]fluoro-D-glucose ([18 F]FDG)-positron emission tomography (PET)/X-ray computer tomography (CT), tumors of neuroendocrine differentiation and slowly growing tumors can present with reduced FDG uptake, thus aggravating an exact T staging. In order to further exhaust information derived from [18 F]FDG-PET/CT, we evaluated the impact of CT density and maximum standardized uptake value (SUVmax) for the classification of different tumor subtypes within a surrounding atelectasis, as well as possible cutoff values for the differentiation between the primary tumor and atelectatic lung tissue...
April 20, 2018: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/29675281/coexistent-non-small-cell-carcinoma-and-small-cell-carcinoma-in-a-patient-presenting-with-hyponatremia
#10
Mitchell D Ross, Sreeja Biswas Roy, Pradnya D Patil, Jasmine L Huang, Nitika Thawani, Ralph Drosten, Tanmay S Panchabhai
Despite recent advances in screening methods, lung cancer remains the leading cause of cancer-related deaths worldwide. By the time lung cancer becomes symptomatic and patients seek treatment, it is often too advanced for curative measures. Low-dose computed tomography (CT) screening has been shown to reduce mortality in patients at high risk of lung cancer. We present a 66-year-old man with a 50-pack-year smoking history who had a right upper lobe (RUL) pulmonary nodule and left lower lobe (LLL) consolidation on a screening CT...
2018: Case Reports in Pulmonology
https://www.readbyqxmd.com/read/29673878/down-regulation-of-mir-373-increases-the-radiosensitivity-of-lung-cancer-cells-by-targeting-timp2
#11
Yinghua Guo, Yingxiao Jiang, Maozhong Sang, Chunli Xu
BACKGROUND: Radiotherapy is a widely used effective treatment for lung cancer in clinic. MicroRNAs (miRNAs) have been proved to play an important role in radiation response. This study aimed to explore the regulatory role and mechanism of miR-373 in lung cancer cell radiosensitivity. METHODS: qRT-PCR was used to analyze the expression of miR-373 in lung cancer tissues and cell lines. MiR-373 expression was overexpressed or knocked down by transfection with miR-373 mimic or inhibitor...
April 16, 2018: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/29666814/digital-chest-tomosynthesis-the-2017-updated-review-of-an-emerging-application
#12
REVIEW
Arianna Ferrari, Luca Bertolaccini, Piergiorgio Solli, Paola Oriana Di Salvia, David Scaradozzi
Lung cancer is the leading cause of cancer death and second most common cancer among both men and women, but most of them are detected when patients become symptomatic and in late-stage. Chest radiography (CR) is a basic technique for the investigation of lung cancer and has the benefit of convenience and low radiation dose, but detection of malignancy is often difficult. The introduction of computed tomography (CT) for screening has increased the proportion of lung cancer detected but with higher exposure dose and higher costs...
March 2018: Annals of Translational Medicine
https://www.readbyqxmd.com/read/29664842/incidental-thoracic-findings-on-routine-computed-tomography-in-epithelial-ovarian-cancer
#13
Bobby D OʼLeary, Teresa Treacy, Tony Geoghegan, Tom A Walsh, William D Boyd, Donal J Brennan
INTRODUCTION: Multidetector computed tomography (MDCT) is routinely used in the surveillance of epithelial ovarian cancer. The aim of this study was to determine the incidence of thoracic findings on routine MDCT surveillance imaging in patients with ovarian carcinoma. MATERIALS AND METHODS: Retrospective evaluation of 100 MDCT studies of patients with a diagnosis of epithelial ovarian cancer was performed at a university teaching hospital. The cross-sectional studies were reviewed by a consultant radiologist with subspeciality training in cross-sectional imaging...
April 16, 2018: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29662531/cystic-brain-metastases-in-alk-rearranged-non-small-cell-lung-cancer
#14
REVIEW
Guilherme Nader Marta, Renata Rodrigues da Cunha Colombo Bonadio, Renata Eiras Martins, Henrique Bortot Zuppani, Gilberto de Castro
The central nervous system (CNS) is a common site of disease progression in patients with non-small-cell lung cancer (NSCLC) with anaplastic lymphoma kinase (ALK)-rearrangement treated with crizotinib. Cystic brain metastases (CBM) have been recently identified as one possible variant of this disease. An illustrative case report is presented along with a literature review performed in order to track relevant papers about CBM in ALK-rearranged NSCLC, including possible pathophysiology, differential diagnosis and treatment options for this condition...
2018: Ecancermedicalscience
https://www.readbyqxmd.com/read/29661254/the-risk-and-predictors-for-severe-radiation-pneumonitis-in-lung-cancer-patients-treated-with-thoracic-reirradiation
#15
Chengbo Ren, Tianlong Ji, Tingting Liu, Jun Dang, Guang Li
BACKGROUND: Thoracic reirradiation (re-RT) is increasingly administered. However, radiation pneumonitis (RP) remains to be the most common side effect from retreatment. This study aimed to determine the risk and predictors for severe RP in patients receiving thoracic re-RT. METHODS: Sixty seven patients with lung cancer received thoracic re-RT for recurrent or metastatic disease. Three-dimensional conformal radiotherapy (3D-CRT)/intensity modulated radiotherapy (IMRT) was used for 60 patients, and stereotactic body radiation therapy (SBRT) was used in 7 patients...
April 16, 2018: Radiation Oncology
https://www.readbyqxmd.com/read/29661172/mth1-deficiency-selectively-increases-non-cytotoxic-oxidative-dna-damage-in-lung-cancer-cells-more-bad-news-than-good
#16
Hussein H K Abbas, Kheloud M H Alhamoudi, Mark D Evans, George D D Jones, Steven S Foster
BACKGROUND: Targeted therapies are based on exploiting cancer-cell-specific genetic features or phenotypic traits to selectively kill cancer cells while leaving normal cells unaffected. Oxidative stress is a cancer hallmark phenotype. Given that free nucleotide pools are particularly vulnerable to oxidation, the nucleotide pool sanitising enzyme, MTH1, is potentially conditionally essential in cancer cells. However, findings from previous MTH1 studies have been contradictory, meaning the relevance of MTH1 in cancer is still to be determined...
April 16, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29660253/airway-stenting-for-patients-with-airway-stenosis-due-to-small-cell-lung-cancer
#17
Masahide Oki, Hideo Saka
BACKGROUND: Airway stenting has been reported to be useful for patients with malignant airway stenosis as a bridge to tumor-specific therapy, such as chemotherapy and radiation therapy, as well as palliative therapy. However, its role in patients with small-cell lung cancer (SCLC), the most aggressive lung cancer subtype, is unclear. We investigated the efficacy of airway stenting for patients with airway stenosis resulting from SCLC. METHODS: All stenting procedures were performed using both rigid and flexible bronchoscopes under general anesthesia...
April 16, 2018: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29658289/cancer-risk-following-alpha-emitter-exposure
#18
M Tirmarche
The International Commission on Radiological Protection (ICRP) mandated a task group (Task Group 64) to review recently published epidemiological studies related to cancer risk and incorporated alpha emitters, and to evaluate whether the results might consolidate or challenge assumptions underlying the current radiation protection system. Three major alpha emitters were considered: radon and its decay products, plutonium, and uranium. Results came mainly from cohorts of workers, while for radon, major studies of the general population contributed to a better understanding of the risk of lung cancer at low and chronic exposure...
January 1, 2018: Annals of the ICRP
https://www.readbyqxmd.com/read/29656869/comparing-treatment-strategies-for-stage-i-small-cell-lung-cancer
#19
Peter Paximadis, Jennifer L Beebe-Dimmer, Julie George, Anne G Schwartz, Antoinette Wozniak, Shirish Gadgeel
INTRODUCTION: The diagnosis of stage I small-cell lung cancer (SCLC) is increasing in incidence with the advent of low-dose screening computed tomography. Surgery is considered the standard of care but there are very few data to guide clinical decision-making. The purpose of this study was to compare outcomes for patients receiving definitive surgery, stereotactic body radiation therapy (SBRT), or external beam radiation therapy (EBRT) for stage I SCLC. PATIENTS AND METHODS: Patients with a primary diagnosis of stage I SCLC were identified in the National Cancer Database...
March 23, 2018: Clinical Lung Cancer
https://www.readbyqxmd.com/read/29652817/selenium-in-radiation-oncology-15-years-of-experiences-in-germany
#20
REVIEW
Ralph Muecke, Oliver Micke, Lutz Schomburg, Jens Buentzel, Klaus Kisters, Irenaeus A Adamietz
Introduction: Se measurement and supplementation in radiation oncology is a controversial issue. The German Working Group Trace Elements and Electrolytes in Oncology (AKTE) has conducted a number of studies on this issue, which are summarized in this review. Strategies have been tested and developed, aiming to stratify the patients with a potential need for supplemental Se and how best to monitor Se supplementation with respect to health effects and risks. Methods: We analyzed blood and tissue Se-levels of different tumor patients ( n = 512)...
April 13, 2018: Nutrients
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