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https://www.readbyqxmd.com/read/29352608/differences-in-lung-injury-after-imrt-or-proton-therapy-assessed-by-18fdg-pet-imaging
#1
Nadya Shusharina, Zhongxing Liao, Radhe Mohan, Amy Liu, Andrzej Niemierko, Noah Choi, Thomas Bortfeld
BACKGROUND AND PURPOSE: To compare lung injury among non-small cell lung cancer (NSCLC) patients treated with IMRT or proton therapy as revealed by 18F-FDG post-treatment uptake and to determine factors predictive for clinically symptomatic radiation pneumonitis. MATERIAL AND METHODS: For 83 patients treated with IMRT or proton therapy, planning CT and follow up 18F-FDG PET-CT were analyzed. Post-treatment PET-CT was aligned with planning CT to establish a voxel-to-voxel correspondence between PET and planning dose images...
January 15, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29351123/accuracy-of-18f-naf-pet-ct-in-bone-metastasis-detection-and-its-effect-on-patient-management-in-patients-with-breast-carcinoma
#2
Wouter A M Broos, Friso M van der Zant, Maurits Wondergem, Remco J J Knol
OBJECTIVE: Determination of the accuracy of sodium fluorine-18-fluoride (F-NaF) PET/computed tomography (CT) for the evaluation of bone metastases, and the impact on patient management in breast cancer patients. PATIENTS AND METHODS: Patients with breast cancer, referred for F-NaF PET/CT between February 2014 and June 2016, were included in a database. Baseline characteristics, clinical indication, definitive diagnosis according to follow-up data, as well as changes in patient management were recorded...
January 18, 2018: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/29349603/neoadjuvant-chemoradiation-for-esophageal-cancer-surgery-improves-locoregional-control-while-response-based-on-fdg-pet-ct-predicts-survival
#3
Nina-Sophie Hegemann, Rebecca Koepple, Franziska Walter, David Boeckle, Wolfgang P Fendler, Martin Kurt Angele, Stefan Boeck, Claus Belka, Falk Roeder
INTRODUCTION: To retrospectively analyze the outcome of patients with esophageal cancer treated with neoadjuvant chemoradiation. METHODS: A total of 41 patients received neoadjuvant intent chemoradiation for esophageal cancer. Most patients had a locally advanced disease (T3/4: 82%, N+: 83%, M0: 100%) and squamous cell carcinoma (83%). All patients received concurrent chemotherapy with cisplatin/5-fluorouracil or mitomycin/5-fluorouracil. Median radiation dose was 50...
January 18, 2018: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/29348907/microsatellite-stability-and-mismatch-repair-proficiency-in-nasopharyngeal-carcinoma-may-not-predict-programmed-death-1-blockade-resistance
#4
Xiyi Liao, Liang Zhao, Sangang Wu, Hua Zheng, Haojun Chen, Huan Zhang, ZiJing Wang, Qin Lin
The US FDA granted accelerated approval to pembrolizumab for microsatellite instability-high and mismatch repair deficient cancers. The response of programmed death-1 blockade in mismatch repair proficiency (pMMR) colorectal cancer is very poor, however, whether such treatment is effective in pMMR nasopharyngeal carcinoma (NPC) remains unknown. We report a case of a 51-year-old man with NPC. PET-CT scan revealed a space-occupying lesion in the left lung, and the pathologic result confirmed the occupying lesion originated from NPC...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29348825/a-novel-anti-cd146-antibody-specifically-targets-cancer-cells-by-internalizing-the-molecule
#5
Marie Nollet, Jimmy Stalin, Anaïs Moyon, Waël Traboulsi, Amel Essaadi, Stéphane Robert, Nausicaa Malissen, Richard Bachelier, Laurent Daniel, Alexandrine Foucault-Bertaud, Caroline Gaudy-Marqueste, Romaric Lacroix, Aurélie S Leroyer, Benjamin Guillet, Nathalie Bardin, Françoise Dignat-George, Marcel Blot-Chabaud
CD146 is an adhesion molecule present on many tumors (melanoma, kidney, pancreas, breast, ...). In addition, it has been shown to be expressed on vascular endothelial and smooth muscle cells. Generating an antibody able to specifically recognize CD146 in cancer cells (designated as tumor CD146), but not in normal cells, would thus be of major interest for targeting tumor CD146 without affecting the vascular system. We thus generated antibodies against the extracellular domain of the molecule produced in cancer cells and selected an antibody that specifically recognizes tumor CD146...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29346637/scleroderma-renal-crisis-and-cancer
#6
Colombe Crosnier, Aurélie Achille, Marie Lecouffe-Desprets, Antoine Néel, Cécile Durant, Christian Agard
We report two cases of elderly patients with diffuse systemic sclerosis (SSc) and inaugural scleroderma renal crisis (SRC). Initial exhaustive search for an underlying cancer was negative, but aggressive metastatic neoplasia was diagnosed after 1 year of follow-up. We emphasize the role of 18-FDG PET-scan to detect neoplasia in the following months after inaugural SRC in elderly.
January 15, 2018: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/29346598/accuracy-of-preoperative-staging-for-a-priori-resectable-esophageal-cancer
#7
M Winiker, S Mantziari, S G Figueiredo, N Demartines, P Allemann, M Schäfer
This study assessed the accuracy of preoperative staging in patients undergoing oncological esophagectomy for adenocarcinoma and squamous cell carcinoma. All patients undergoing surgery for resectable esophageal cancer in a university hospital from 2005 to 2016 were identified from our institutional database. Patients with neoadjuvant treatment were excluded to avoid bias from down-staging effects. Routinely, all patients had an upper endoscopy with biopsy, a thoracoabdominal CT scan, an 18-FEG PET-CT, and endoscopic ultrasound...
January 1, 2018: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/29345443/suv-calculation-in-breast-cancer-which-normalization-should-be-applied-when-using-18f-fdg-pet
#8
Olivier Humbert, Jean-Marc Riedinger, David Chardin, Isabelle Desmoulins, François Brunotte, Alexandre Cochet
BACKGROUND: When using 18F-FDG PET, glucose metabolism quantification is affected by various factors. We aimed to investigate the benefit of different SUV normalizations to improve the accuracy of 18F-FDG uptake to predict breast cancer aggressiveness and response to treatment. METHODS: Two hundred fifty-two women with locally advanced breast cancer treated with neoadjuvant chemotherapy (NAC) were included. Women underwent 18F-FDG PET before and after the first course of NAC...
January 17, 2018: Quarterly Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29345442/lung-uptake-of-fluorine-18-fluoroethyl-choline-pet-ct-in-patients-with-prostate-cancer
#9
Daniele A Pizzuto, Salvatore Annunziata, Francesco P Ieria, Carmelo Caldarella, Maria A Isgrò, Valerio Lanni, Gaia Bencivenga, Vittoria Rufini, Alessandro Giordano
BACKGROUND: Metastatic spreading to the lungs is a negative prognostic factor in patients with prostate cancer (PC). Aim of our study was to assess the prevalence of lung PC metastases in patients with fluorine-18 fluoroethyl-choline (F-18-FECh) PET-CT positive lung lesions and the role of Gleason Score (GS) and common biochemical markers in predicting metastatic spreading to the lungs. METHODS: We retrospectively evaluated the scans of 1283 patients ongoing (F-18-FECh) PET-CT for PC between May 2010 and July 2014...
January 17, 2018: Quarterly Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29344901/imaging-characteristics-and-first-experience-of-68ga-thp-psma-a-novel-probe-for-rapid-kit-based-ga-68-labeling-and-pet-imaging-comparative-analysis-with-68ga-psma-i-t
#10
Thorsten Derlin, Sebastian Schmuck, Cathleen Juhl, Steffi Teichert, Johanna Zörgiebel, Hans-Jürgen Wester, Sophie M Schneefeld, Almut C A Walte, James T Thackeray, Tobias L Ross, Frank M Bengel
PURPOSE: [68Ga]Trishydroxypyridinone (THP)-prostate-specific membrane antigen (PSMA) is a novel tracer that can be labeled in one step by cold reconstitution of a kit with unprocessed generator eluate, targeting PSMA via the lysine-urea-glutamate (KuE) motif. The aim of this study was to evaluate the human imaging characteristics of [68Ga]THP-PSMA. PROCEDURES: [68Ga]THP-PSMA positron emission tomography (PET)/x-ray computed tomography (CT) was performed in 25 patients with biochemical recurrence after radical prostatectomy for prostate cancer...
January 17, 2018: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/29344704/-the-role-of-psma-pet-ct-in-patients-with-metastatic-prostate-cancer
#11
REVIEW
J von Hardenberg, K-A Büsing, P Nuhn, M Ritter
Prostate-specific membrane antigen (PSMA) positron emission tomography-computed tomography (PET-CT) imaging for the localization of prostate cancer is increasingly available in Germany. The advances and limitations in different disease stages are reviewed. As the clinical relevance of oligometastatic disease in primary cancer detected by PSMA PET-CT imaging is not yet completely understood, it should only be used in clinical trials. In recurrent prostate cancer after therapy with curative intent, PSMA PET-CT shows encouraging potential for the planning of salvage therapy...
January 17, 2018: Der Radiologe
https://www.readbyqxmd.com/read/29344682/68ga-prostate-specific-membrane-antigen-psma-positron-emission-tomography-pet-for-primary-staging-of-high-risk-prostate-cancer-a-systematic-review
#12
Julia Corfield, Marlon Perera, Damien Bolton, Nathan Lawrentschuk
PURPOSE: To systematically review currently available data on 68Ga-prostate specific membrane antigen (PSMA) positron emission tomography (PET) used for the primary staging of high-risk prostate cancer. METHODS: We performed critical reviews of EMBASE, Web of Science (including MEDLINE) and Cochrane databases in October 2016 according to the Preferred Reporting Items for Systematic Review and Meta-analysis statement. We included studies that utilized 68Ga-PSMA PET for primary staging of prostate cancer...
January 17, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29344435/synchronous-uterine-metastases-from-breast-cancer-case-study-and-literature-review
#13
REVIEW
Aisha Akhtar, Atul Ratra, Yana Puckett, Abu Baker Sheikh, Catherine A Ronaghan
Breast cancer rarely metastasizes to the uterus. Here, we report two breast cancer patients with synchronous metastases to the uterus. Case 1 highlights a 46-year-old female with invasive ductal carcinoma who presented with a breast mass and was found to have uterine enlargement on positron emission tomography (PET) scan. Biopsy revealed a metastatic 4 mm focus of breast cancer in the background of endometrial hyperplasia. Case 2 reports a 62-year-old postmenopausal female diagnosed with lobular carcinoma of the breast following an abnormal screening mammogram...
November 13, 2017: Curēus
https://www.readbyqxmd.com/read/29344306/131i-labeled-copper-sulfide-loaded-microspheres-to-treat-hepatic-tumors-via-hepatic-artery-embolization
#14
Qiufang Liu, Yuyi Qian, Panli Li, Sihang Zhang, Jianjun Liu, Xiaoguang Sun, Michael Fulham, Dagan Feng, Gang Huang, Wei Lu, Shaoli Song
Purpose: Transcatheter hepatic artery embolization therapy is a minimally invasive alternative for treating inoperable liver cancer but recurrence is frequent. Multifunctional agents, however, offer an opportunity for tumor eradication. In this study, we were aim to synthesized poly (lactic-co-glycolic acid) (PLGA) microspheres encapsulating hollow CuS nanoparticles (HCuSNPs) and paclitaxel (PTX) that were then labeled with radioiodine-131 (131I) to produce 131I-HCuSNPs-MS-PTX. This compound combines the multi-theranostic properties of chemotherapy, radiotherapy and photothermal therapy...
2018: Theranostics
https://www.readbyqxmd.com/read/29343908/pet-ct-and-pet-mr-in-urological-cancers-other-than-prostate-cancer-an-update-on-state-of-the-art
#15
REVIEW
Abdul Razik, Chandan Jyoti Das, Sanjay Sharma
Hybrid positron emission tomography with computed tomography (PET/CT) and magnetic resonance imaging (PET/MRI) have enabled the combination of morphologic and functional imaging with the promise of providing better information in guiding therapy. Further advance has been made in the past decade with the development of newer radiotracers and optimization of the technical aspects. We performed a search in PubMed, Scopus, and Google Scholar for peer-reviewed literature concerning the advances and newer developments in the imaging of nonprostate urologic cancers between 2005 and 2017...
January 2018: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/29341227/pet-radiometals-for-antibody-labeling
#16
Eduardo Aluicio-Sarduy, Paul A Ellison, Todd E Barnhart, Weibo Cai, Robert Jerry Nickles, Jonathan W Engle
Recent advances in molecular characterization of tumors have made possible the emergence of new types of cancer therapies where the traditional cytotoxic drugs and nonspecific chemotherapy can be complemented with targeted molecular therapies. One of the main revolutionary treatments is the use of monoclonal antibodies (mAbs) that selectively target the disseminated tumor cells while sparing normal tissues. mAbs and related therapeutics can be efficiently radiolabeled with a wide range of radionuclides to facilitate preclinical and clinical studies...
January 17, 2018: Journal of Labelled Compounds & Radiopharmaceuticals
https://www.readbyqxmd.com/read/29340798/diagnostic-implications-of-a-small-voxel-reconstruction-for-loco-regional-lymph-node-characterization-in-breast-cancer-patients-using-fdg-pet-ct
#17
Daniëlle Koopman, Jorn A van Dalen, Hester Arkies, Ad H J Oostdijk, Anne Brecht Francken, Jos Bart, Cornelis H Slump, Siert Knollema, Pieter L Jager
BACKGROUND: We evaluated the diagnostic implications of a small-voxel reconstruction for lymph node characterization in breast cancer patients, using state-of-the-art FDG-PET/CT. We included 69 FDG-PET/CT scans from breast cancer patients. PET data were reconstructed using standard 4 × 4 × 4 mm3 and small 2 × 2 × 2 mm3 voxels. Two hundred thirty loco-regional lymph nodes were included, of which 209 nodes were visualised on PET/CT. All nodes were visually scored as benign or malignant, and SUVmax and TBratio(=SUVmax/SUVbackground) were measured...
January 16, 2018: EJNMMI Research
https://www.readbyqxmd.com/read/29340158/follicular-thyroid-cancer-avid-on-c-11-methionine-pet-ct
#18
Mads Ryø Jochumsen, Peter Iversen, Anne Kirstine Arveschoug
A case of follicular thyroid cancer with intense focal Methionine uptake on 11C-Methionine PET/CT is reported here. The use of 11C-Methionine PET in differentiated thyroid cancer is currently being investigated as a surrogate tracer compared to the more widely used 18F-FDG PET. This case illustrates the potential incremental value of this modality, not only in the localizing of parathyroid adenoma, but also indicating that 11C-Methionine PET might have a potential of increasing the pretest likelihood of thyroid malignancy in a cold nodule with highly increased Sestamibi uptake...
2018: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/29340038/diagnostic-performance-of-68gallium-psma-11-pet-ct-to-detect-significant-prostate-cancer-and-comparison-with-18fec-pet-ct
#19
Manuela A Hoffmann, Matthias Miederer, Helmut J Wieler, Christian Ruf, Frank M Jakobs, Mathias Schreckenberger
Background: Radiolabeled prostate-specific membrane antigen (PSMA) has proven to be a highly accurate method to detect recurrence and metastases of prostate cancer, but only sparse data is available about its performance in the diagnosis of clinically significant primary prostate cancer. Methods: We compared 68Ga-PSMA-11 PET/CT in 25 patients with 18FEC PET/CT in 40 patients with suspected prostate carcinoma based on an increased PSA level.The PET/CT results were compared with the histopathologic Gleason Score (GS) of biopsies...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29339575/dynamic-pet-image-reconstruction-integrating-temporal-regularization-associated-with-respiratory-motion-correction-for-applications-in-oncology
#20
Thibaut Merlin, Dimitris Visvikis, Philippe Fernandez, Frederic Lamare
Respiratory motion reduces both the qualitative and quantitative accuracy of PET images in oncology. This impact is more significant for quantitative applications based on kinetic modeling, where dynamic acquisitions are associated with limited statistics due to the necessity of enhanced temporal resolution. The aim of this study is to address these drawbacks by combining within a unique reconstruction algorithm in dynamic PET imaging, a respiratory motion correction approach, as well as a temporal regularization...
January 17, 2018: Physics in Medicine and Biology
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