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Gokoulakrichenane Loganadane, Florent Martinetti, Olaf Mercier, Samar Krhili, François-Georges Riet, Rodrigue Mbagui, Hanh To, Cécile Le Péchoux, Antonin Levy
Stereotactic ablative radiation therapy (SABR) has become the standard treatment for peripheral medically non-operable patients with early stage non-small cell lung cancer (NSCLC). Previous attempts of trials to compare SABR and surgery have failed and new randomized studies (SABRtooth, STABLEMATES, and VALOR) are ongoing. While predictive factors of relapse have been extensively studied in patients receiving surgery, there is scarce data on such putative factors in SABR patients. The purpose of this review is to analyze such predictive factors through a critical review of the literature...
October 13, 2016: Cancer Treatment Reviews
Qi Wie, Yudong Cao, Sabre Kais, Bretislav Friedrich, Dudley Herschbach
We investigate several aspects of realizing quantum computation using entangled polar molecules in pendular states. Quantum algorithms typically start from a product state |00⋯0⟩ and we show that up to a negligible error, the ground states of polar molecule arrays can be considered as the unentangled qubit basis state |00⋯0⟩ . This state can be prepared by simply allowing the system to reach thermal equilibrium at low temperature (<1 mK). We also evaluate entanglement, characterized by concurrence of pendular state qubits in dipole arrays as governed by the external electric field, dipole-dipole coupling and number N of molecules in the array...
October 21, 2016: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
Karan Seegobin, Kamille Abdool, Kanterpersad Ramcharan, Haramnauth Dyaanand, Fidel Rampersad
We describe a case of Parry Romberg syndrome/en coupe de sabre in a woman whose disease started as seizures at age 8 but was diagnosed at the age 39. During these 31 years she got married, completed a first degree at university, had two successful pregnancies and has been gainfully employed. The features of generalized tonic-clonic seizures, autoimmune abnormalities, ocular abnormalities, morphea en coup de sabre and brain imaging abnormalities were present. Areas of parietal lobe cerebral calcification were encountered on the computed tomographic scan and bilateral periventricular white matter changes on the magnetic resonance imaging with frontal, temporal and parietal lobe brain atrophy ipsilateral to the facial hemiatrophy...
September 30, 2016: Neurology International
Lauren E Hock, Marinos Kontzialis, Aimee J Szewka
No abstract text is available yet for this article.
October 18, 2016: Neurology
William W Chance, Quynh-Nhu Nguyen, Reza Mehran, James W Welsh, Daniel R Gomez, Peter Balter, Ritsuko Komaki, Zhongxing Liao, Joe Y Chang
PURPOSE: We report our single-institution experience with stereotactic ablative radiotherapy (SABR) for adrenal metastasis and identify factors influencing outcomes, patterns of failure, and dosimetric thresholds for toxicity. METHODS AND MATERIALS: We identified patients with adrenal metastases treated with SABR from 2009 to 2015. Toxicity was evaluated with Common Terminology Criteria for Adverse Events v4.0. Local failures were categorized as in-field, marginal, or out-of-field...
September 13, 2016: Practical Radiation Oncology
Shao-Lun Lu, Feng-Ming Hsu, Kuan-Yu Chen, Chao-Chi Ho, James Chih-Hsin Yang, Jason Chia-Hsien Cheng
Maintenance pemetrexed offers survival benefit with well-tolerated toxicities for advanced non-squamous non-small cell lung cancer (NSCLC). We present 3 consecutively enrolled patients with advanced non-squamous NSCLC, receiving stereotactic ablative radiotherapy (SABR) for oligoprogressive disease during maintenance pemetrexed. All of them had sustained local control of thoracic oligoprogression after the SABR, while maintenance pemetrexed were kept for additionally long progression-free interval. SABR targeting oligoprogression with continued pemetrexed is an effective and safe approach to extend exposure of maintenance pemetrexed, thus maximizing the benefit from it...
May 2016: Case Reports in Oncology
Naomi E Verstegen, Alexander P W M Maat, Frank J Lagerwaard, Marinus A Paul, Michel I Versteegh, Joris J Joosten, Willem Lastdrager, Egbert F Smit, Ben J Slotman, Joost J M E Nuyttens, Suresh Senan
INTRODUCTION: The literature on surgical salvage, i.e. lung resections in patients who develop a local recurrence following stereotactic ablative radiotherapy (SABR), is limited. We describe our experience with salvage surgery in nine patients who developed a local recurrence following SABR for early stage non-small cell lung cancer (NSCLC). METHODS: Patients who underwent surgical salvage for a local recurrence following SABR for NSCLC were identified from two Dutch institutional databases...
October 3, 2016: Radiation Oncology
Jaana I Halonen, Hakim-Moulay Dehbi, Anna L Hansell, John Gulliver, Daniela Fecht, Marta Blangiardo, Frank J Kelly, Nish Chaturvedi, Mika Kivimäki, Cathryn Tonne
BACKGROUND: Road traffic noise has been linked to increased risk of stroke, for which hypertension and carotid intima-media thickness (cIMT) are risk factors. A link between traffic noise and hypertension has been established, but there are few studies on blood pressure and no studies on cIMT. OBJECTIVES: To examine cross-sectional associations for long-term exposure to night-time noise with cIMT, systolic blood pressure (SBP), diastolic blood pressure (DBP) and hypertension...
October 3, 2016: Environment International
Soumya S Roy, Peter J Rayner, Philip Norcott, Gary G R Green, Simon B Duckett
The applicability of the magnetic resonance (MR) technique in the liquid phase is limited by poor sensitivity and short nuclear spin coherence times which are insufficient for many potential applications. Here we illustrate how it is possible to address both of these issues simultaneously by harnessing long-lived hyperpolarised spin states that are formed by adapting the Signal Amplification by Reversible Exchange (SABRE) technique. We achieve more than 4% net (1)H-polarisation in a long-lived form that remains detectable for over ninety seconds by reference to proton pairs in the biologically important molecule nicotinamide and a pyrazine derivative whose in vivo imaging will offer a new route to probe disease in the future...
September 14, 2016: Physical Chemistry Chemical Physics: PCCP
Karen Moore, Claire Paterson, Jonathan Hicks, Stephen Harrow, Mark McJury
OBJECTIVES: A clinical evaluation of the intrafraction and interfraction set up accuracy of a novel thermoplastic mould immobilisation device and patient position in early stage lung cancer being treated with stereotactic radiotherapy at the Beatson West of Scotland Cancer Centre. METHODS: 35 patients were immobilised in a novel, arms-down position, with a 4 point Klarity clear thermoplastic mould fixed to a SinMed head and neck board. A knee support was also used for patient comfort and support...
October 6, 2016: British Journal of Radiology
T de Baere, L Tselikas, V Catena, X Buy, F Deschamps, J Palussière
Percutaneous ablation of small-size non-small-cell lung cancer (NSCLC) has demonstrated feasibility and safety in nonsurgical candidates. Radiofrequency ablation (RFA), the most commonly used technique, has an 80-90% reported rate of complete ablation, with the best results obtained in tumors less than 2-3cm in diameter. The highest one-, three-, and five-year overall survival rates reported in NSCLC following RFA are 97.7%, 72.9%, and 55.7% respectively. Tumor size, tumor stage, and underlying comorbidities are the main predictors of survival...
October 2016: Diagnostic and Interventional Imaging
Ilma Xhaferllari, Omar El-Sherif, Stewart Gaede
Volumetric-modulated arc therapy (VMAT) is emerging as a leading technology in treating early-stage, non-small cell lung cancer (NSCLC) with stereotactic ablative radiotherapy (SABR). However, two other modalities capable of deliver-ing intensity-modulated radiation therapy (IMRT) include fixed-beam and helical TomoTherapy (HT). This study aims to provide an extensive dosimetric compari-son among these various IMRT techniques for treating early-stage NSCLC with SABR. Ten early-stage NSCLC patients were retrospectively optimized using three fixed-beam techniques via nine to eleven beams (high and low modulation step-and-shoot (SS), and sliding window (SW)), two VMAT techniques via two partial arcs (SmartArc (SA) and RapidArc (RA)), and three HT techniques via three different fan beam widths (1 cm, 2...
2016: Journal of Applied Clinical Medical Physics
D Ishihara, K Louder, M Akter, C Ahn, V Margulis, Y Arriaga, K Courtney, R D Timmerman, J Brugarolas, R Hannan
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
S A Mattonen, D A Palma, C Johnson, A V Louie, M Landis, G Rodrigues, I Chan, R Etemad-Rezai, T P C Yeung, S Senan, A D Ward
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
P M Medin, B A Hrycushko, S Vernino, R D Foster, J Sayre, Y Yamada, A J Van Der Kogel
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
M M Gestaut, N Thawani, S Kim, V R Gutti, A Morrow, R A Ward, J H Huang, M K Patel
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
D A Palma, K Kwan, S Gaede, M Landis, R Malthaner, D Fortin, A V Louie, E Frechette, G Rodrigues, B Yaremko, E Yu, A R Dar, T Y Lee, A Gratton, A D Ward, R Inculet
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
S Zhu, J Lightsey, B S Hoppe, P Okunieff, P Gopalan, F J Kaye, C G Morris, A R Yeung
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
Rémy Kinj, Pierre-Yves Bondiau, Eric François, Jean-Pierre Gérard, Arash O Naghavi, Axel Leysalle, Emmanuel Chamorey, Ludovic Evesque, Bernard Padovani, Antoine Ianessi, Karen Benezery, Jérôme Doyen
INTRODUCTION: Patients with metastatic colorectal cancer (CRC) may present with oligometastatic lung lesions for which stereotactic ablative radiotherapy (SABR) can be utilized. This study aims to report efficacy and prognostic factors associated with colorectal lung metastases treated with SABR. MATERIAL AND METHODS: This is a retrospective study including patients who presented with lung oligometastasis from CRC treated with SABR from September 2007 to November 2014...
August 31, 2016: Clinical Colorectal Cancer
Yudong Cao, Shuxian Jiang, Debbie Perouli, Sabre Kais
Here we consider using quantum annealing to solve Set Cover with Pairs (SCP), an NP-hard combinatorial optimization problem that plays an important role in networking, computational biology, and biochemistry. We show an explicit construction of Ising Hamiltonians whose ground states encode the solution of SCP instances. We numerically simulate the time-dependent Schrödinger equation in order to test the performance of quantum annealing for random instances and compare with that of simulated annealing. We also discuss explicit embedding strategies for realizing our Hamiltonian construction on the D-wave type restricted Ising Hamiltonian based on Chimera graphs...
September 27, 2016: Scientific Reports
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