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MRI lung cancer

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https://www.readbyqxmd.com/read/28646744/systematic-biobanking-novel-imaging-techniques-and-advanced-molecular-analysis-for-precise-tumor-diagnosis-and-therapy-the-polish-mobit-project
#1
Jacek Niklinski, Adam Kretowski, Marcin Moniuszko, Joanna Reszec, Anna Michalska-Falkowska, Magdalena Niemira, Michal Ciborowski, Radoslaw Charkiewicz, Dorota Jurgilewicz, Miroslaw Kozlowski, Rodryg Ramlau, Cezary Piwkowski, Miroslaw Kwasniewski, Monika Kaczmarek, Andrzej Ciereszko, Tomasz Wasniewski, Robert Mroz, Wojciech Naumnik, Ewa Sierko, Magdalena Paczkowska, Joanna Kisluk, Anetta Sulewska, Adam Cybulski, Zenon Mariak, Boguslaw Kedra, Jacek Szamatowicz, Paweł Kurzawa, Lukasz Minarowski, Angelika Edyta Charkiewicz, Barbara Mroczko, Jolanta Malyszko, Christian Manegold, Lothar Pilz, Heike Allgayer, Mohammed L Abba, Hartmut Juhl, Frauke Koch
Personalized and precision medicine is gaining recognition due to the limitations by standard diagnosis and treatment; many areas of medicine, from cancer to psychiatry, are moving towards tailored and individualized treatment for patients based on their clinical characteristics and genetic signatures as well as novel imaging techniques. Advances in whole genome sequencing have led to identification of genes involved in a variety of diseases. Moreover, biomarkers indicating severity of disease or susceptibility to treatment are increasingly being characterized...
June 21, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28633995/quantitative-mri-study-of-the-permeability-of-peritumoral-brain-edema-in-lung-cancer-patients-with-brain-metastases
#2
Dan Wang, Ming-Liang Wang, Yue-Hua Li
PURPOSE: To use Ktrans to evaluate the aggressiveness and vascular permeability of peritumoral edema in cases of lung cancer brain metastases. MATERIALS AND METHODS: A total of 68 lung cancer patients with 92 metastatic brain lesions were enrolled (20 metastatic lesions only in the gray matter -group 1; and 72 metastatic lesions located in the gray and white matter junction -group 2). All patients underwent MRI examination, which involved a dual angle (2° and 15°) enhanced T1W-VIBE (volume interpolated breath-hold examination) sequence to calculate the T1 parameter map...
June 17, 2017: Brain Research
https://www.readbyqxmd.com/read/28630436/a-novel-gd-dtpa-conjugated-poly-l-%C3%AE-glutamyl-glutamine-paclitaxel-polymeric-delivery-system-for-tumor-theranostics
#3
Lipeng Gao, Jinge Zhou, Jing Yu, Qilong Li, Xueying Liu, Lei Sun, Ting Peng, Jing Wang, Jianzhong Zhu, Jihong Sun, Weiyue Lu, Lei Yu, Zhiqiang Yan, Yiting Wang
The conventional chemotherapeutics could not be traced in vivo and provide timely feedback on the clinical effectiveness of drugs. In this study, poly(L-γ-glutamyl-glutamine)-paclitaxel (PGG-PTX), as a model polymer, was chemically conjugated with Gd-DTPA (Gd-diethylenetriaminepentaacetic acid), a T1-contrast agent of MRI, to prepare a Gd-DTPA-conjugated PGG-PTX (PGG-PTX-DTPA-Gd) delivery system used for tumor theranostics. PGG-PTX-DTPA-Gd can be self-assembled to NPs in water with a z-average hydrodynamic diameter about 35...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28624021/assessment-of-treatment-response-after-lung-stereotactic-body-radiotherapy-using-diffusion-weighted-magnetic-resonance-imaging-and-positron-emission-tomography-a-pilot-study
#4
Takashi Shintani, Yukinori Matsuo, Yusuke Iizuka, Takamasa Mitsuyoshi, Shigeaki Umeoka, Yuji Nakamoto, Takashi Mizowaki, Kaori Togashi, Masahiro Hiraoka
BACKGROUND AND PURPOSE: There is no early predictor of treatment response after lung stereotactic body radiotherapy (SBRT). We conducted this pilot study to evaluate whether serial diffusion weighted magnetic resonance imaging (DW-MRI) or positron emission tomography (PET) could predict response after SBRT. MATERIAL AND METHODS: Early stage non-small cell lung cancer patients who received SBRT were eligible. DW-MRI and PET were undertaken pretreatment and every 3 months after SBRT in the first year...
July 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28611637/a-case-of-posterior-reversible-encephalopathy-syndrome-induced-by-cisplatin-pemetrexed-chemotherapy-for-lung-cancer
#5
Masashi Ishihara, Noriyuki Matsutani, Shuji Ota, Nobuhiko Seki
This report presents the case of a 60-year-old woman who was diagnosed with stage IV lung adenocarcinoma with asymptomatic brain metastases and commenced chemotherapy with cisplatin/pemetrexed (CDDP/Pem). She experienced tonic-clonic convulsions on day 9 of the first cycle, which were accompanied by increased blood pressure (173/69 mm Hg) and headache. Therefore, brain MRI was performed to check for stroke or progression of brain metastatic foci. T2-weighted, FLAIR, and ADC map images showed high-intensity areas in the subcortical region of the bilateral parieto-occipital lobes, leading to a diagnosis of posterior reversible encephalopathy syndrome (PRES)...
January 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28606923/detection-of-driver-and-resistance-mutations-in-leptomeningeal-metastases-of-nsclc-by-next-generation-sequencing-of-cerebrospinal-fluid-circulating-tumor-cells
#6
Ben-Yuan Jiang, Yang-Si Li, Wei-Bang Guo, Xu-Chao Zhang, Zhihong Chen, Jian Su, Wenzhao Zhong, Xue-Ning Yang, Jinji Yang, Yang W Shao, Biao Huang, Yan-Hui Liu, Qing Zhou, Hai-Yan Tu, Hua-Jun Chen, Zhen Wang, Chongrui Xu, Bin-Chao Wang, Shu-Yu Wu, Cun-Yi Gao, Xian Zhang, Yi-Long Wu
<p>Leptomeningeal metastases (LM) are more common in non-small cell lung cancer (NSCLC) with EGFR mutations. The diagnosis is difficult by traditional imaging only, and leads to poor understanding of resistance mechanisms of LM.</p> <br />Experimental Design: <p>We compared the CellSearch Assay™, the Thinprep cytologic test (TCT), and brain magnetic resonance imaging (MRI) in 21 NSCLC patients with suspected LM. Next-Generation sequencing that included 416 cancer-associated genes was also performed on cerebrospinal fluid circulating tumor cells (CSFCTCs) of 19 patients...
June 12, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28583587/management-of-multifocal-lung-cancer-results-of-a-survey
#7
Konstantinos Leventakos, Tobias Peikert, David Midthun, Julian R Molina, Shanda Blackmon, Francis C Nichols, Yolanda Garces, Christopher L Hallemeier, Stephen J Murphy, George Vasmatzis, Sarah L Kratz, William P Holland, Charles F Thomas, John J Mullon, K Robert Shen, Stephen D Cassivi, Randolph S Marks, Marie Christine Aubry, Alex A Adjei, Ping Yang, Mark S Allen, Eric S Edell, Dennis Wigle, Aaron S Mansfield
INTRODUCTION: Multifocal lung cancer (MFLC) is an increasingly common clinical scenario but there is lack of high-level evidence for its optimal treatment. Thus, we surveyed members of the interdisciplinary International Association for the Study of Lung Cancer (IASLC) on their therapeutic approaches and analyzed the resultant practice patterns. METHODS: We described the clinical scenario of an otherwise healthy 60 years old man with bilateral pulmonary nodules and asked the 6373 IASLC members whether they would recommend surgery, and if so, the extent of surgery...
June 2, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28581401/prospective-study-of-hippocampal-sparing-prophylactic-cranial-irradiation-in-limited-stage-small-cell-lung-cancer
#8
Kristin J Redmond, Russell K Hales, Heather Anderson-Keightly, Xian C Zhou, Megan Kummerlowe, Haris I Sair, Mario Duhon, Lawrence Kleinberg, Gary L Rosner, Tracy Vannorsdall
PURPOSE: To prospectively evaluate cognitive function and intracranial failure patterns after hippocampal-sparing prophylactic cranial irradiation (PCI) for limited-stage small cell lung cancer (SCLC). METHODS AND MATERIALS: Adults with limited-stage SCLC, achieving a complete response to chemoradiotherapy and no brain metastases, were eligible. Patients received PCI 25 Gy/10 fractions, with a mean hippocampal dose limited to <8 Gy and ≥90% of the brain receiving 90% of the prescription...
July 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28577954/recurrent-dysphasia-due-to-nivolumab-induced-encephalopathy-with-presence-of-hu-autoantibody
#9
Jo Raskin, Pegah Masrori, Antonin Cant, Annemie Snoeckx, Birgitta Hiddinga, Sisca Kohl, Annelies Janssens, Patrick Cras, Jan P Van Meerbeeck
A 58-year-old man was being treated for squamous non-small-cell lung cancer with nivolumab. At the 17th of biweekly administrations he presented with global dysphasia, dysarthria and myoclonus in the right upper extremity. MRI showed multiple T2/FLAIR hyperintense lesions in the left hemisphere; lumbar puncture showed lymphocytic pleiocytosis in the CSF without identifiable pathogens. Hu antibodies were present in serum and CSF. Nivolumab was discontinued and corticosteroids were administered. The neurological symptoms gradually improved; MRI showed complete remission of cerebral lesions...
July 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28570322/autoimmune-neurology-of-the-central-nervous-system
#10
W Oliver Tobin, Sean J Pittock
PURPOSE OF REVIEW: This article reviews the rapidly evolving spectrum of autoimmune neurologic disorders with a focus on those that involve the central nervous system, providing an understanding of how to approach the diagnostic workup of patients presenting with central nervous system symptoms or signs that could be immune mediated, either paraneoplastic or idiopathic, to guide therapeutic decision making. RECENT FINDINGS: The past decade has seen a dramatic increase in the discovery of novel neural antibodies and their targets...
June 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28543069/real-time-dynamic-mr-image-reconstruction-using-compressed-sensing-and-principal-component-analysis-cs-pca-demonstration-in-lung-tumor-tracking
#11
Bryson Dietz, Eugene Yip, Jihyun Yun, B Gino Fallone, Keith Wachowicz
PURPOSE: This work presents a real-time dynamic image reconstruction technique, that combines compressed sensing and principal component analysis (CS-PCA), to achieve real-time adaptive radiotherapy with the use of a linac-magnetic resonance imaging system. METHODS: Six retrospective fully sampled dynamic data sets of patients diagnosed with non-small cell lung cancer were used to investigate the CS-PCA algorithm. Using a database of fully sampled k-space, principal components (PC's) were calculated to aid in the reconstruction of undersampled images...
May 19, 2017: Medical Physics
https://www.readbyqxmd.com/read/28542649/evaluation-of-connectivity-map-discovered-celastrol-as-a-radiosensitizing-agent-in-a-murine-lung-carcinoma-model-feasibility-study-of-diffusion-weighted-magnetic-resonance-imaging
#12
Hong Young Jun, Tae-Hoon Kim, Jin Woo Choi, Young Hwan Lee, Kang Kyoo Lee, Kwon-Ha Yoon
This study was designed to identify potential radiosensitizing (RS) agents for combined radio- and chemotherapy in a murine model of human lung carcinoma, and to evaluate the in vivo effect of the RS agents using diffusion-weighted magnetic resonance imaging (DW-MRI). Radioresistance-associated genes in A549 and H460 cells were isolated on the basis of their gene expression profiles. Celastrol was selected as a candidate RS by using connectivity mapping, and its efficacy in lung cancer radiotherapy was tested...
2017: PloS One
https://www.readbyqxmd.com/read/28529640/lung-cancer-targeting-peptides-with-multi-subtype-indication-for-combinational-drug-delivery-and-molecular-imaging
#13
Yi-Hsuan Chi, Jong-Kai Hsiao, Ming-Huang Lin, Chen Chang, Chun-Hsin Lan, Han-Chung Wu
Lung cancer is the leading cause of cancer-related death worldwide. Most targeted drugs approved for lung cancer treatment are tyrosine kinase inhibitors (TKIs) directed against EGFR or ALK, and are used mainly for adenocarcinoma. At present, there is no effective or tailored targeting agent for large cell carcinoma (LCC) or small cell lung cancer (SCLC). Therefore, we aimed to identify targeting peptides with diagnostic and therapeutic utility that possess broad subtype specificity for SCLC and non-small cell lung cancer (NSCLC)...
2017: Theranostics
https://www.readbyqxmd.com/read/28523317/mri-as-indicator-of-pulmonary-tuberculosis-activity-from-morphological-to-molecular-level-assessment-a-case-report
#14
Maria Teodora Antuaneta Buzan, Hanelore Herta, Mihaela Maria Coman, Daniela Homorodean, Silviu Andrei Sfrângeu, Carmen Monica Pop
We present the case of an adult patient with active post-primary pulmonary tuberculosis (TB) and discuss specific morphological and textural aspects found at high-field magnetic resonance imaging (MRI) of the lung. The 42-year-old man, heavy smoker, undertook a routine employment medical examination and was admitted to a referral pulmonology and TB center due to the abnormal findings seen on his chest radiography. The patient presented nonspecific symptoms, bilateral bronchial breath at pulmonary auscultation, inflammatory syndrome on the laboratory blood tests and positive sputum smears for acid-fast bacilli, which together with the typical aspect on the chest radiography lead to a diagnosis of post-primary pulmonary TB and administration of specific medication...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28523162/a-preliminary-exploration-of-the-intravoxel-incoherent-motion-applied-in-the-preoperative-evaluation-of-mediastinal-lymph-node-metastasis-of-lung-cancer
#15
Xin Ye, Shuo Chen, Yaru Tian, Bin You, Wenqian Zhang, Yan Zhao, Tao Jiang, Bin Hu, Hui Li
BACKGROUND: The aim of this study was to investigate the diagnostic value of the intravoxel incoherent motion (IVIM) for distinguishing non-metastatic from metastatic mediastinal lymph nodes in lung cancer. METHODS: IVIM-diffusion weighted imaging (DWI) exams were performed preoperatively on 66 patients with lung cancer from October 2015 to June 2016 in Beijing Chao-Yang Hospital, Capital Medical University. Fifty patients underwent enhanced chest computed tomography (CT) in our hospital, while the other 16 patients already had enhanced chest CT images when they were admitted...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28514760/clinical-study-of-99mtc-3p-rgd2-peptide-imaging-in-osteolytic-bone-metastasis
#16
Guoqiang Shao, Wei Gu, Muhong Guo, Shiming Zang, Jinjing Fu, Shuang Liu, Feng Wang, Zizheng Wang
OBJECTIVE: To investigate the value of integrin αvβ3 targeted imaging with 99mTc-HYNIC-PEG4-E[PEG4-c(RGDfk)]2 (99mTc-3P-RGD2) as a radiotracer in dectecting osteolytic bone metastases. METHODS: This is a retrospective study involving a cohort of 69 consecutive patients including 59 with lung cancer and 10 with other cancers. Patients were required to receive whole body scan (WBS) and regional SPECT/CT imaging with 99mTc-3P-RGD2 (RGD imaging) and 99mTc-MDP (MDP imaging) as a radiotracer successively within days...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28514304/diagnostic-and-clinical-application-value-of-magnetic-resonance-imaging-mri-for-progressive-massive-fibrosis-of-coal-worker-pneumoconiosis-case-reports
#17
Lansheng Zhang, Chun Wang, Qiuyue Yan, Tao Zhang, Zhengxiang Han, Guan Jiang
RATIONALE: Using magnetic resonance imaging (MRI), we diagnosed pneumoconiosis by identifying the content and distribution of hydrogen protons in the water molecules in different tissues and lesions. PATIENT CONCERNS: 25 cases of CWP patients with progressive massive fibrosis (PMF) lesions. DIAGNOSES: Patients were correctly diagnosed, with one case each of Phase I and II pneumoconiosis and 23 cases of Phase III pneumoconiosis. INTERVENTIONS: None...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28497643/three-dimensional-ultrashort-echo-time-mri-and-short-t2-images-generated-from-subtraction-for-determination-of-tumor-burden-in-lung-cancer-preclinical-investigation-in-transgenic-mice
#18
Andreas Müller, Philippe Jagoda, Peter Fries, Stefan Gräber, Robert Bals, Arno Buecker, Christopher Jungnickel, Christoph Beisswenger
PURPOSE: To investigate the potential of 3D ultrashort echo time MRI and short T2 images generated by subtraction for determination of total tumor burden in lung cancer. METHODS: As an animal model of spontaneously developing non-small cell lung cancer, the K-rasLA1 transgenic mouse was used. Three-dimensional MR imaging was performed with radial k-space acquisition and echo times of 20 µs and 1 ms. For investigation of the short T2 component in the recorded signal, subtraction images were generated from these data sets and used for consensus identification of tumors...
May 11, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28487383/monitoring-tumor-response-to-anti-vascular-therapy-using-non-contrast-intravoxel-incoherent-motion-diffusion-weighted-mri
#19
Changzheng Shi, Dexiang Liu, Zeyu Xiao, Dong Zhang, Guanfu Liu, Guanshu Liu, Hanwei Chen, Liangping Luo
Anti-vascular therapy is a promising approach to the treatment of non-small-cell lung cancer (NSCLC), where an imaging modality capable of longitudinally monitoring treatment response could provide early prediction of the outcome. In this study, we sought to investigate the feasibility of using intravoxel incoherent motion (IVIM) diffusion MRI to quantitatively assess the efficacy of the treatments of a vascular disrupting agent CA4P or its combination with bevacizumab (BV) on experimental NSCLC tumors. CA4P caused a strong but reversible effect on tumor vasculature: all perfusion-related parameters-D*, f, fD*, and K(trans)-initially showed a decrease of 30%-60% at two hours and then fully recovered to baseline on day 2 for CA4P treatment or on days 4-8 for CA4P + BV treatment; the diffusion coefficient in tumors decreased initially at two hours and then increased from day 2 to day 8...
May 9, 2017: Cancer Research
https://www.readbyqxmd.com/read/28485985/breast-metastases-from-extramammary-malignancies-multimodality-imaging-aspects
#20
Almir G V Bitencourt, Roberta R M Gama, Luciana Graziano, Erika M S Negrão, Silvia M P S Sabino, Anapaula H U Watanabe, Camila S Guatelli, Juliana A Souza, Edmundo C Mauad, Elvira F Marques
Breast metastases from extramammary cancers are rare and usually related to poor prognosis. The extramammary tumors most frequently exhibiting breast metastases are melanoma, lymphomas, ovarian cancer, lung, neuroendocrine tumors, and sarcomas. Due to the lack of reliable and specific clinical or radiological signs for the diagnosis of breast metastases, a combination of techniques is needed to differentiate these lesions from primary breast carcinoma or even benign breast lesions. Multiple imaging methods may be used to evaluate these patients, including mammography, ultrasound, magnetic resonance imaging (MRI), computed tomography (CT) and positron emission tomography (PET/CT)...
May 9, 2017: British Journal of Radiology
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