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PET-CT lung cancer

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https://www.readbyqxmd.com/read/28818987/response-assessment-of-68-ga-dota-e-c-rgdfk-2-pet-ct-for-lung-adenocarcinoma-patients-treated-with-nintedanib-plus-docetaxel
#1
Oscar Arrieta, Francisco O Garcia-Perez, David Michel-Tello, Laura-Alejandra Ramirez-Tirado, Quetzali Pitalua-Cortes, Graciela Cruz-Rico, Eleazar-Omar Macedo-Perez, Andres F Cardona, Jaime de la Garza-Salazar
Nintedanib is an oral angiokinase inhibitor used as a second-line treatment for non-small-cell lung cancer (NSCLC). New radiotracers, such as (68)Ga-DOTA-E-[c(RGDfK)]2, that target αvβ3 integrin might impact the clinical practice as a non-invasive method for assessing angiogenesis inhibitors. Methods: From July 2014 through October 2015, 38 patients received second-line nintedanib plus docetaxel. All the patients underwent PET/CT with (68)Ga-DOTA-E-[c(RGDfK)]2 radiotracer and blood-sample tests to quantify angiogenesis factors (FGF, VEGF and PDGF-AB) prior to and after completing 2 therapy cycles...
August 17, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28817456/role-of-various-semiquantitative-parameters-of-18f-fdg-pet-ct-studies-for-interim-treatment-response-evaluation-in-non-small-cell-lung-cancer
#2
Akshima Sharma, Anant Mohan, Ashu Seith Bhalla, Sreenivas Vishnubhatla, Anil Kumar Pandey, Chandra Sekhar Bal, Rakesh Kumar
PURPOSE: The aim of this study was to prospectively evaluate the role of various semiquantitative parameters obtained from fluorine-18 fluorodeoxyglucose (F-FDG) PET/CT in interim treatment response assessment in biopsy-proven non-small-cell lung cancer (NSCLC) and to find the best parameter, if any. MATERIALS AND METHODS: Totally, 32 patients (male/female: 25/7) with biopsy proven NSCLC and a mean age of 54.71±12.65 years were enrolled in the study. Each patient underwent whole-body F-FDG PET/CT scan after injecting 5...
August 16, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28816167/variabilities-of-magnetic-resonance-imaging-computed-tomography-and-positron-emission-tomography-computed-tomography-based-tumor-and-lymph-node-delineations-for-lung-cancer-radiation-therapy-planning
#3
Kishor Karki, Siddharth Saraiya, Geoffrey D Hugo, Nitai Mukhopadhyay, Nuzhat Jan, Jessica Schuster, Matthew Schutzer, Lester Fahrner, Robert Groves, Kathryn M Olsen, John C Ford, Elisabeth Weiss
PURPOSE: To investigate interobserver delineation variability for gross tumor volumes of primary lung tumors and associated pathologic lymph nodes using magnetic resonance imaging (MRI), and to compare the results with computed tomography (CT) alone- and positron emission tomography (PET)-CT-based delineations. METHODS AND MATERIALS: Seven physicians delineated the tumor volumes of 10 patients for the following scenarios: (1) CT only, (2) PET-CT fusion images registered to CT ("clinical standard"), and (3) postcontrast T1-weighted MRI registered with diffusion-weighted MRI...
September 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28806259/serendipitous-discovery-of-isolated-gastric-metastases-from-adenocarcinoma-of-the-lung-on-staging-18f-fdg-pet-ct
#4
Punit Sharma, Amit Dutt Dwary, Enam Murshed Khan
Gastric metastasis from lung cancer is rare. We here present the case of a 59-year-old man with lung adenocarcinoma where isolated gastric metastases were discovered on staging F-FDG PET-CT, confirmed with endoscopy and biopsy.
August 12, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28800837/outcomes-of-invasive-mediastinal-nodal-staging-versus-positron-emission-tomography-staging-alone-for-early-stage-non-small-cell-lung-cancer-treated-with-stereotactic-body-radiation-therapy
#5
Caitlin A Schonewolf, Vivek Verma, Carl M Post, Abigail T Berman, Melissa A Frick, Anil Vachani, Chi Lin, Charles B Simone
BACKGROUND: The benefit of invasive mediastinal nodal staging (IMNS) in addition to positron emission tomography-computed tomography (PET/CT) is undefined for early stage non-small cell lung cancer (NSCLC). This multi-institutional investigation aimed to evaluate outcomes and patterns of failure in patients staged with PET/CT with or without additional IMNS. METHODS: Two academic centers assessed all consecutive patients staged with PET/CT for early-stage, primary lung NSCLC (cT1-2aN0M0) treated with SBRT...
July 14, 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28768243/potential-clinical-value-of-pet-ct-in-predicting-occult-nodal-metastasis-in-t1-t2n0m0-lung-cancer-patients-staged-by-pet-ct
#6
Xiang Zhou, Ruohua Chen, Gang Huang, Jianjun Liu
We assessed the clinical value of 2-fluoro-2-deoxyglucose (18F-FDG) PET/CT imaging for predicting occult nodal metastasis in non-small cell lung cancer (NSCLC) patients. This retrospective study included 54 patients with T1-2N0M0 NSCLC who had undergone 18F-FDG PET/CT before surgery. Occult nodal metastasis was detected in 25.9% (14/54) of the patients. Immunohistochemical analysis revealed that increased glucose transporter 1 expression was associated with occult nodal metastasis, but hexokinase 2 expression was not...
July 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28760464/low-accuracy-of-computed-tomography-and-positron-emission-tomography-to-detect-lung-and-lymph-node-metastases-of-colorectal-cancer
#7
Francesco Guerrera, Stéphane Renaud, Mickaël Schaeffer, Victor Nigra, Paolo Solidoro, Nicola Santelmo, Pier Luigi Filosso, Pierre-Emmanuel Falcoz, Enrico Ruffini, Alberto Oliaro, Gilbert Massard
BACKGROUND: Minimally invasive surgery, stereotactic radiotherapy, and radiofrequency ablation are commonly proposed in the case of pulmonary colorectal-metastasis as alternatives to conventional open surgery. Preoperative imaging assessment by computed tomography (CT) scan and fluorodeoxyglucose positron emission tomography (FDG-PET) are critical to guide oncologic radical treatment. Our aim was to investigate the accuracy of CT and FDG-PET for the evaluation of the number of pulmonary colorectal metastases and thoracic lymph nodal involvement (LNI)...
July 28, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28748524/the-effects-of-segmentation-algorithms-on-the-measurement-of-18-f-fdg-pet-texture-parameters-in-non-small-cell-lung-cancer
#8
Usman Bashir, Gurdip Azad, Muhammad Musib Siddique, Saana Dhillon, Nikheel Patel, Paul Bassett, David Landau, Vicky Goh, Gary Cook
BACKGROUND: Measures of tumour heterogeneity derived from 18-fluoro-2-deoxyglucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) scans are increasingly reported as potential biomarkers of non-small cell lung cancer (NSCLC) for classification and prognostication. Several segmentation algorithms have been used to delineate tumours, but their effects on the reproducibility and predictive and prognostic capability of derived parameters have not been evaluated. The purpose of our study was to retrospectively compare various segmentation algorithms in terms of inter-observer reproducibility and prognostic capability of texture parameters derived from non-small cell lung cancer (NSCLC) (18)F-FDG PET/CT images...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28733723/an-individualized-radiation-dose-escalation-trial-in-non-small-cell-lung-cancer-based-on-fdg-pet-imaging
#9
Marie Wanet, Antoine Delor, François-Xavier Hanin, Benoît Ghaye, Aline Van Maanen, Vincent Remouchamps, Christian Clermont, Samuel Goossens, John Aldo Lee, Guillaume Janssens, Anne Bol, Xavier Geets
AIM: The aim of the study was to assess the feasibility of an individualized 18F fluorodeoxyglucose positron emission tomography (FDG-PET)-guided dose escalation boost in non-small cell lung cancer (NSCLC) patients and to assess its impact on local tumor control and toxicity. PATIENTS AND METHODS: A total of 13 patients with stage II-III NSCLC were enrolled to receive a dose of 62.5 Gy in 25 fractions to the CT-based planning target volume (PTV; primary turmor and affected lymph nodes)...
July 21, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28728712/diagnostic-imaging-and-newer-modalities-for-thoracic-diseases-pet-computed-tomographic-imaging-and-endobronchial-ultrasound-for-staging-and-its-implication-for-lung-cancer
#10
REVIEW
Sarah J Counts, Anthony W Kim
Modalities to detect and characterize lung cancer are generally divided into those that are invasive [endobronchial ultrasound (EBUS), esophageal ultrasound (EUS), and electromagnetic navigational bronchoscopy (ENMB)] versus noninvasive [chest radiography (CXR), computed tomography (CT), positron emission tomography (PET), and magnetic resonance imaging (MRI)]. This chapter describes these modalities, the literature supporting their use, and delineates what tests to use to best evaluate the patient with lung cancer...
August 2017: Surgical Clinics of North America
https://www.readbyqxmd.com/read/28712277/moderate-hypofractionated-image-guided-thoracic-radiotherapy-for-locally-advanced-node-positive-non-small-cell-lung-cancer-patients-with-very-limited-lung-function-a-case-report
#11
Farkhad Manapov, Olarn Roengvoraphoj, Minglun Li, Chukwuka Eze
Patients with locally advanced lung cancer and very limited pulmonary function (forced expiratory volume in 1 second [FEV1] ≤ 1 L) have dismal prognosis and undergo palliative treatment or best supportive care. We describe two cases of locally advanced node-positive non-small cell lung cancer (NSCLC) patients with very limited lung function treated with induction chemotherapy and moderate hypofractionated image-guided radiotherapy (Hypo-IGRT). Hypo-IGRT was delivered to a total dose of 45 Gy to the primary tumor and involved lymph nodes...
June 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/28705927/incidence-of-brain-metastases-on-follow-up-18-f-fdg-pet-ct-scans-of-non-small-cell-lung-cancer-patients-should-we-include-the-brain
#12
Emily Nia, Linda Garland, Naghmehossadat Eshghi, Benjamin Nia, Ryan Avery, Phillip Kuo
PURPOSE: The brain is the most common site of distant metastasis from lung cancer. Thus MRI of the brain at initial staging is routinely performed, but if this exam is negative a follow-up exam is often not performed. This study evaluates the incidence of asymptomatic brain metastases in non-small cell lung cancer patients detected on follow-uP(18)F- FDG PET/CT scans. MATERIALS AND METHODS: In this IRB approved retrospective review, all vertex to thigh (18)F- FDG PET/CT scans in patients with all subtypes of lung cancer from August 2014 to August 2016 were reviewed...
July 13, 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28699909/comparison-of-biological-target-volume-metrics-based-on-fdg-pet-ct-and-4dct-for-primary-non-small-cell-lung-cancer
#13
Yingjie Zhang, Jianbin Li, Yili Duan, Wei Wang, Fengxiang Li, Qian Shao, Min Xu
Fluorodeoxyglucose positron emission tomography-computed tomography (PET-CT) and four-dimensional CT (4DCT) are used in several methods for defining the biological target volume (BTV) in primary non-small cell lung cancer (NSCLC). Disagreements between the assessments using these methodologies make the use of BTV for radiotherapy planning controversial. In this study, we compared existing methods with our proposed internal biological target volume (IBTV) metric, derived by combining internal target volume (ITV) and BTV metrics...
July 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28698537/positron-emission-tomography-computed-tomography-pet-ct-and-ct-for-n-staging-of-non-small-cell-lung-cancer
#14
Sandra Vegar Zubović, Spomenka Kristić, Besima Hadžihasanović
Aim The aim of this study is to investigate the possibilities of non-invasive diagnostic imaging methods, positron emission tomography/computed tomography (PET/CT) and CT, in clinical N staging of non-small cell lung cancer (NSCLC). Methods Retrospective clinical study included 50 patients with diagnosed NSCLC who have undergone PET/CT for the purpose of disease staging. The International association for the study of lung cancer (IASLC) nodal mapping system was used for analysis of nodal disease. Data regarding CT N-staging and PET/CT Nstaging were recorded...
August 1, 2017: Medicinski Glasnik
https://www.readbyqxmd.com/read/28698444/-a-case-of-central-diabetes-insipidus-that-was-caused-by-pituitary-metastasis-of-lung-adenocarcinoma-and-was-controlled-by-radiation-therapy
#15
Yusuke Izumi, Takeshi Masuda, Shinji Nabeshima, Yasushi Horimasu, Taku Nakashima, Shintaro Miyamoto, Hiroshi Iwamoto, Kazunori Fujitaka, Yuji Murakami, Hironobu Hamada, Yasushi Nagata, Noboru Hattori
BACKGROUND: Pituitary metastasis of lung cancer is rare; however, it often causes diabetes insipidus. Although the majority of such patients are treated with radiation therapy, it remains unclear whether diabetes insipidus can be controlled by radiation therapy. CASE: A 72-year-old man was admitted to our hospital for hemosputum, headache, and polyuria. A chest CT scan showed a 3.0 cm mass in the left upper lobe of his lung. Bronchofiberscopy results confirmed the pathological diagnosis of lung adenocarcinoma...
June 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28696964/impact-of-ebus-tbna-on-pet-ct-imaging-of-mediastinal-nodes
#16
Pradeesh Sivapalan, Therese Maria Henriette Naur, Sara Colella, Klaus Richter Larsen, Lars Konge, Paul Frost Clementsen
BACKGROUND: Positron emission tomography-computed tomography (PET-CT) with fluorine-18-fluorodeoxyglucose has a high sensitivity in detecting malignancy in patients suspected of lung cancer but a low specificity as inflammatory reactions can also result in metabolic activity. Furthermore, it is assumed that invasive pulmonary procedures with biopsies from benign lesions can induce metabolic activity resulting in false-positive results. However, this hypothesis lacks solid evidence. We aimed to evaluate how often endobronchial ultrasound (EBUS) with biopsies from benign lesions are followed by false-positive results...
July 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28693444/the-value-of-ultrasound-guided-biopsy-of-fluorodeoxy-glucose-positron-emission-tomography-fdg-pet-positive-supraclavicular-lymph-nodes-in-patients-with-suspected-lung-cancer
#17
Lennart Werner, Franziska Aebersold Keller, Ujwal Bhure, Justus Egidius Roos, Katharina Tornquist, Maria Del Sol Pèrez-Lago, Oliver Gautschi, Klaus Strobel
BACKGROUND: Accurate lymph node staging is essential for adequate prognostication and therapy planning in patients with non-small cell lung cancer (NSCLC). FDG-PET/CT is a sensitive tool for the detection of metastases, including non-palpable supraclavicular lymph node (SCLN) metastases. Histological proof of metastatic spread and mutation analysis is crucial for optimal staging and therapy. The aim of this study was to investigate the value of ultrasound-guided fine needle aspiration cytology (FNAC) and core biopsy (CB) of FDG active, non-palpable SCLN's in patients with suspicion for lung cancer...
July 11, 2017: BMC Medical Imaging
https://www.readbyqxmd.com/read/28690012/prognostic-value-of-metabolic-parameters-of-metastatic-lymph-nodes-on-18-f-fdg-pet-ct-in-patients-with-limited-stage-small-cell-lung-cancer-with-lymph-node-involvement
#18
Feng Jin, Bo Qu, Zheng Fu, Yan Zhang, Anqin Han, Li Kong, Jinming Yu
INTRODUCTION: We assessed the prognostic value of the metabolic parameters of different lesions, including primary tumors and metastatic lymph nodes (LNs), measured by fluorine-18 fluorodeoxyglucose positron emission tomography (PET)/computed tomography in patients with limited-stage small-cell lung cancer (LS-SCLC) with LN metastasis. MATERIALS AND METHODS: The present retrospective study included 46 patients with clinical stage II-III N1-N2 LS-SCLC who had undergone pretreatment fluorine-18 fluorodeoxyglucose PET/computed tomography scanning from January 2011 to December 2014...
June 22, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28689358/comparison-of-bayesian-penalized-likelihood-reconstruction-versus-os-em-for-characterization-of-small-pulmonary-nodules-in-oncologic-pet-ct
#19
Brandon A Howard, Rustain Morgan, Matthew P Thorpe, Timothy G Turkington, Jorge Oldan, Olga G James, Salvador Borges-Neto
OBJECTIVE: To determine whether the recently introduced Bayesian penalized likelihood PET reconstruction (Q.Clear) increases the visual conspicuity and SUVmax of small pulmonary nodules near the PET resolution limit, relative to ordered subset expectation maximization (OS-EM). METHODS: In this institutional review board-approved and HIPAA-compliant study, 29 FDG PET/CT scans performed on a five-ring GE Discovery IQ were retrospectively selected for pulmonary nodules described in the radiologist's report as "too small to characterize", or small lung nodules in patients at high risk for lung cancer...
July 8, 2017: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/28689281/optimal-fdg-pet-ct-volumetric-parameters-for-risk-stratification-in-patients-with-locally-advanced-non-small-cell-lung-cancer-results-from-the-acrin-6668-rtog-0235-trial
#20
Ali Salavati, Fenghai Duan, Bradley S Snyder, Bo Wei, Sina Houshmand, Benjapa Khiewvan, Adam Opanowski, Charles B Simone, Barry A Siegel, Mitchell Machtay, Abass Alavi
PURPOSE: In recent years, multiple studies have demonstrated the value of volumetric FDG-PET/CT parameters as independent prognostic factors in patients with non-small cell lung cancer (NSCLC). We aimed to determine the optimal cut-off points of pretreatment volumetric FDG-PET/CT parameters in predicting overall survival (OS) in patients with locally advanced NSCLC and to recommend imaging biomarkers appropriate for routine clinical applications. METHODS: Patients with inoperable stage IIB/III NSCLC enrolled in ACRIN 6668/RTOG 0235 were included...
July 8, 2017: European Journal of Nuclear Medicine and Molecular Imaging
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