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Magnetic resonance imaging of lung cancer

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https://www.readbyqxmd.com/read/28707652/thermal-ablation-in-the-management-of-adrenal-metastasis-originating-from-non-small-cell-lung-cancer-a-5-year-single-center-experience
#1
Evanthia I Botsa, Ioanna L Thanou, Aspasia T Papatheodoropoulou, Loukas I Thanos
BACKGROUND: Treatment of adrenal metastasis from lung carcinoma may prolong survival in the selected patients. However, not all patients can undergo surgery; thus, minimally invasive ablation procedures such as radiofrequency ablation (RFA) and microwave ablation (MWA) have gained acceptance as alternative treatment methods. This study summarized a 5-year single-center experience regarding the evaluation of safety and efficacy of computed tomography (CT)-guided thermal ablation in the management of adrenal metastasis originating from non-small cell lung cancer (NSCLC)...
July 13, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28693276/examination-of-the-predictive-factors-of-the-response-to-whole-brain-radiotherapy-for-brain-metastases-from-lung-cancer-using-mri
#2
Shuri Aoki, Tomonori Kanda, Noriyuki Matsutani, Nobuhiko Seki, Masafumi Kawamura, Shigeru Furui, Hideomi Yamashita
Previous studies have been conducted on the prognostic factors for overall survival in patients with brain metastases (BMs) following whole brain radiotherapy (WBRT). However, there have been a small number of studies regarding the prognostic factors for the response of tumor to WBRT. The aim of the present study was to identify the predictive factors for the response to WBRT from the point of view of reduction of tumor using magnetic resonance imaging. A retrospective analysis of 62 patients with BMs from primary lung cancer treated with WBRT was undertaken...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28660548/chemotherapy-induced-cardiomyopathy-caused-by-pemetrexed
#3
Takuya Oyakawa, Kei Iida, Masatoshi Kusuhara, Hirotsugu Kenmotsu, Takashi Sugino
Chemotherapy-related cardiac toxicity is a rare but serious adverse event in patients with cancer. Thus far, no case of serious cardiac toxicity of pemetrexed has been reported. We describe the case of a patient with advanced lung cancer and cardiomyopathy due to pemetrexed. A 59-year-old woman visited our hospital, and we found abnormal findings on a chest radiograph. She was diagnosed as having stage IV lung adenocarcinoma. Chemotherapy with cisplatin and pemetrexed every 3 weeks was initiated. After four cycles of chemotherapy, maintenance chemotherapy with pemetrexed was administered every 3 weeks...
June 28, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28651599/dosimetric-evaluation-of-synthetic-ct-for-magnetic-resonance-only-based-radiotherapy-planning-of-lung-cancer
#4
Hesheng Wang, Hersh Chandarana, Kai Tobias Block, Thomas Vahle, Matthias Fenchel, Indra J Das
BACKGROUND: Interest in MR-only treatment planning for radiation therapy is growing rapidly with the emergence of integrated MRI/linear accelerator technology. The purpose of this study was to evaluate the feasibility of using synthetic CT images generated from conventional Dixon-based MRI scans for radiation treatment planning of lung cancer. METHODS: Eleven patients who underwent whole-body PET/MR imaging following a PET/CT exam were randomly selected from an ongoing prospective IRB-approved study...
June 26, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28644254/sporadic-creutzfeldt-jakob-disease-with-unilateral-symptoms-in-the-setting-of-metastatic-renal-cell-carcinoma
#5
Kyle C Rossi, Christine M Stahl, Pengfei Zhang, John W Liang, Lara V Marcuse, Fred Lublin
INTRODUCTION: Although it is not rare for magnetic resonance imaging findings in Creutzfeldt-Jakob disease to be asymmetric, unilateral clinical syndromes are uncommonly reported and may confound diagnosis. In addition, neurological paraneoplastic syndromes are not common in renal cell carcinoma, though there are cases reported, often without an offending antibody isolated. CASE REPORT: A 66-year-old man was admitted with 1 month of left-sided numbness and "loss of control" of the left arm...
July 2017: Neurologist
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
#6
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/28606923/detection-of-driver-and-resistance-mutations-in-leptomeningeal-metastases-of-nsclc-by-next-generation-sequencing-of-cerebrospinal-fluid-circulating-tumor-cells
#7
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/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/28574131/surprising-complete-response-of-intramedullary-spinal-cord-metastasis-from-breast-cancer-a-case-report-and-literature-review
#9
Dario Aiello, Rosario Mazzola, Fabiana Gregucci, Francesco Ricchetti, Niccolò Giaj Levra, Luigi Romano, Giovanni Carbognin, Matteo Salgarello, Alberto Beltramello, Filippo Alongi
PURPOSE: Intramedullary spinal cord metastases (ISCM) are considered rare but their incidence is rising. Most ISCM cases are recognized to occur in patients with stage IV lung cancer or breast cancer (BC). METHODS: We report a rare case of cervical BC-ISCM in 60-year-old woman, documented by magnetic resonance imaging and positron emission tomography-computed tomography and treated with volumetric modulated arc therapy with daily image-guided radiation therapy (VMAT/IGRT)...
May 29, 2017: Tumori
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
#10
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
#11
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
#12
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
#13
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
#14
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/28514304/diagnostic-and-clinical-application-value-of-magnetic-resonance-imaging-mri-for-progressive-massive-fibrosis-of-coal-worker-pneumoconiosis-case-reports
#15
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
#16
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/28485985/breast-metastases-from-extramammary-malignancies-multimodality-imaging-aspects
#17
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
https://www.readbyqxmd.com/read/28483700/chemosensitizing-indomethacin-conjugated-chitosan-oligosaccharide-nanoparticles-for-tumor-targeted-drug-delivery
#18
Jae-Young Lee, Ubonvan Termsarasab, Mee Yeon Lee, Dong-Hwan Kim, Song Yi Lee, Jung Sun Kim, Hyun-Jong Cho, Dae-Duk Kim
A chitosan oligosaccharide (CSO)-indomethacin (IDM) conjugate (CI) was synthesized to fabricate chemosensitizing nanoparticles (NPs) for tumor-targeted drug delivery. IDM was conjugated to a CSO backbone via amide bond formation, of which successful synthesis was confirmed by proton-nuclear magnetic resonance analyses. Doxorubicin (DOX)-loaded CI (CI10/DOX; CI:DOX=10:1 [w/w]) NPs with <75nm of mean diameter, polydispersity index of ∼0.2, and positive zeta potential were prepared. The release of DOX from the NPs was enhanced at acidic pH (pH 5...
May 5, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28480541/response-assessment-of-stereotactic-body-radiation-therapy-using-dynamic-contrast-enhanced-integrated-mr-pet-in-non-small-cell-lung-cancer-patients
#19
Yu-Sen Huang, Jenny Ling-Yu Chen, Feng-Ming Hsu, Jei-Yie Huang, Wei-Chun Ko, Yi-Chang Chen, Fu-Shan Jaw, Ruoh-Fang Yen, Yeun-Chung Chang
PURPOSE: To evaluate the response in patients undergoing SBRT using dynamic contrast-enhanced (DCE) integrated magnetic resonance positron emission tomography (MR-PET). Stereotactic body radiation therapy (SBRT) is efficacious as a front-line local treatment for non-small cell lung cancer (NSCLC). MATERIALS AND METHODS: We prospectively enrolled 19 lung tumors in 17 nonmetastatic NSCLC patients who were receiving SBRT as a primary treatment. They underwent DCE-integrated 3T MR-PET before and 6 weeks after SBRT...
May 8, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28473915/long-term-complete-response-in-a-breast-cancer-patient-with-skeletal-muscle-metastases-diagnosed-using-18f-fdg-pet
#20
Diana Bello-Roufai, Daniele G Soares, Khaldoun Kerrou, Ahmed Khalil, Sandrine Richard, Joseph Gligorov, Jean-Pierre Lotz
Common sites for metastatic spreading from breast cancer are bones, lungs and liver, the skeletal muscle being an unusual site. Although rare, when skeletal muscle metastases occur they are associated with a poor prognosis. These metastases are clinically difficult to diagnose since they can be found without pain symptoms. Radiologically, magnetic resonance imaging has been considered better than computed tomography for imaging of the muscles and has been the first procedure to use in case of muscle metastasis suspicion...
February 2017: Oxford Medical Case Reports
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