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Artykuły w czasopismach na temat „RM imaging”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Savastano, Maria Cristina, Claudia Fossataro, Riccardo Sadun, et al. "Central Serous Chorioretinopathy by Autofluorescence, Enface and SLO–Retromode Imaging." Life 13, no. 6 (2023): 1407. http://dx.doi.org/10.3390/life13061407.

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The aim of our study was to investigate the clinical features of central serous chorioretinopathy (CSC) with autofluorescence (AF), retromode (RM), and enface imaging. This retrospective study was conducted at Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome (Italy), between September and December 2022. Each patient underwent a complete ophthalmological examination, which included optical coherence tomography (OCT), enface image analysis, AF, and RM imaging. We further evaluated the presence and area of extension of serous retinal detachment and retinal pigment epithelium (RPE) atr

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Sen, Parveen, Kumar Saurabh, and Devlina Datta. "Retro mode imaging signatures in choroidal nevus: A case series." Indian Journal of Ophthalmology - Case Reports 4, no. 4 (2024): 961–64. http://dx.doi.org/10.4103/ijo.ijo_1697_24.

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To report the retro mode (RM) imaging signatures of choroidal nevus. This was a consecutive case series of individuals with choroidal nevus, a benign choroidal tumor. Fundus photography and RM imaging were performed using the Mirante system ((Nidek Co. Ltd, Gamagori, Japan). Four eyes of four patients were included. Choroidal nevus was observed as hyporetroreflective in all four patients. RM image was able to distinctly delineate the margins of the nevus. Overlying drusen was variably imaged with RM, appearing as isoretroreflective in one eye and not visualized in another. RM imaging was able

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Oh, Myeongjin, H. J. Kim, U. Fawad, H. Park, and Sunghwan Kim. "Novel Phosphors of ${\rm Eu}^{3+}$ or ${\rm Sm}^{3+}$ Doped ${\rm Li}_{6}{\rm Lu}({{\rm BO}_3)_3}$ for X-Ray Imaging." IEEE Transactions on Nuclear Science 60, no. 2 (2013): 1006–10. http://dx.doi.org/10.1109/tns.2013.2240011.

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Weigt, Jochen, Wilfried Obst, Arne Kandulski, Maciej Pech, Ali Canbay, and Peter Malfertheiner. "Road Map fluoroscopy successfully guides endoscopic interventions in the esophagus." Endoscopy International Open 05, no. 07 (2017): E608—E612. http://dx.doi.org/10.1055/s-0043-111719.

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Abstract Background and study aims Road Map (RM) fluoroscopy is a radiological technique that enables visualization of anatomic structures using image subtraction at peak opacification. RM fluoroscopy has never previously been evaluated for use in endoscopy. The aim of this study was to evaluate the usefulness of RM in guiding endoscopic intervention in the esophagus. Patients and methods This was a monocentric observational trial of consecutive patients with esophageal strictures in a university hospital. Twenty-seven investigations using RM were performed in 24 patients undergoing esophageal

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Lei, Wen Tai, and Yu Jia Shi. "A Windowed Range Migration Imaging Algorithm for Ground Penetrating Radar Applications." Applied Mechanics and Materials 477-478 (December 2013): 1504–8. http://dx.doi.org/10.4028/www.scientific.net/amm.477-478.1504.

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The article proposes a new imaging method for ground penetrating radar (GPR) nondestructive testing (DET). Traditional GPR range migration (RM) imaging algorithm regards all the data in GPR echo data as equally important. This assumption is always not in consistent with real GPR detection scenario and usually cannot obtain high quality imaging results. To improve the quality of GPR imaging results, a new windowed RM imaging algorithm is presented in this paper. The radar profile is processed by one-dimensional windowed Fourier transform. The central point of window function is determined by ma

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6

Martin, Thierry, Paul-Antoine Douissard, Zachary Seeley, et al. "New High Stopping Power Thin Scintillators Based on ${\rm Lu}_{2}{\rm O}_{3}$ and ${\rm Lu}_{3}{\rm Ga}_{5-{\rm x}}{\rm In}_{\rm x}{\rm O}_{12}$ for High Resolution X-ray Imaging." IEEE Transactions on Nuclear Science 59, no. 5 (2012): 2269–74. http://dx.doi.org/10.1109/tns.2012.2189248.

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Colomb, Warren, Matthew Osmond, Charles Durfee, Melissa D. Krebs, and Susanta K. Sarkar. "Imaging and Analysis of Cellular Locations in Three-Dimensional Tissue Models." Microscopy and Microanalysis 25, no. 3 (2019): 753–61. http://dx.doi.org/10.1017/s1431927619000102.

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AbstractThe absence of quantitative in vitro cell–extracellular matrix models represents an important bottleneck for basic research and human health. Randomness of cellular distributions provides an opportunity for the development of a quantitative in vitro model. However, quantification of the randomness of random cell distributions is still lacking. In this paper, we have imaged cellular distributions in an alginate matrix using a multiview light sheet microscope and developed quantification metrics of randomness by modeling it as a Poisson process, a process that has constant probability of

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Lucas, John, Chih-Yang Hsu, Jared Becksfort, et al. "IMG-20. RADIOMIC FEATURES IMPROVE PROGNOSTICATION OVER CONVENTIONAL MR DERIVED QUALITATIVE DESCRIPTORS IN PEDIATRIC SUPRATENTORIAL HIGH GRADE GLIOMA: COMPARISON OF MACHINE LEARNING TECHNIQUES." Neuro-Oncology 22, Supplement_3 (2020): iii359. http://dx.doi.org/10.1093/neuonc/noaa222.355.

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Abstract PURPOSE/OBJECTIVES Pediatric supratentorial high-grade glioma (stHGG) is a biologically heterogeneous disease defined by unique mutations, natural history and prognosis. Prior work by our group outlined a role for qualitative imaging features in aiding prognostication. We build on that work by evaluating the prognostic utility of radiomic features (RM) when paired with clinical factors. MATERIALS/ METHODS Ninety-one patients age &lt; 21 years with stHGG treated between 1980–2007 were retrospectively reviewed. Prognostic clinical, qualitative imaging (Visually AcceSAble Rembrandt I

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Tartaglione, T., S. Gaudino, R. Vadalà, D. Brunetti, A. Cianfoni, and C. Colosimo. "Imaging RM e Angio-RM della trombosi dei seni venosi della dura madre." Rivista di Neuroradiologia 16, no. 1_suppl (2003): 281–83. http://dx.doi.org/10.1177/19714009030160s1119.

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Bucciardini, L., and P. Pantano. "NEURORADIOLOGO E NEUROANESTESISTA E IMAGING RM AVANZATO." Neuroradiology Journal 22, no. 6 (2009): 665–68. http://dx.doi.org/10.1177/197140090902200612.

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Dhillon, V. S., N. Bezawada, M. Black, et al. "HiPERCAM: a quintuple-beam, high-speed optical imager on the 10.4-m Gran Telescopio Canarias." Monthly Notices of the Royal Astronomical Society 507, no. 1 (2021): 350–66. http://dx.doi.org/10.1093/mnras/stab2130.

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ABSTRACT HiPERCAM is a portable, quintuple-beam optical imager that saw first light on the 10.4-m Gran Telescopio Canarias (GTC) in 2018. The instrument uses re-imaging optics and four dichroic beamsplitters to record $u_{\rm s}\, g_{\rm s}\, r_{\rm s}\, i_{\rm s}\, z_{\rm s}$ (320–1060 nm) images simultaneously on its five CCD cameras, each of 3.1-arcmin (diagonal) field of view. The detectors in HiPERCAM are frame-transfer devices cooled thermo-electrically to 183 K, thereby allowing both long-exposure, deep imaging of faint targets, as well as high-speed (over 1000 windowed frames per secon

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Hayes, LH, SB Neuhaus, S. Donkervoort, et al. "Taking on the Titin: Muscle imaging as a diagnostic marker of biallelic TTN-related myopathy." Journal of Neuromuscular Diseases 11, no. 6 (2024): 1211–20. https://doi.org/10.1177/22143602241283391.

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Background: The accurate diagnosis of titin-related myopathies ( TTN-RM) is challenging due to the “gigantism” of the coding gene TTN with an incompletely understood landscape of normal genetic variation, an increasing number of pathogenic variants, and wide phenotypic variability of both cardiac and muscle involvement. Particularly in situations of potentially incomplete genotypes, clinicians need more phenotyping tools to help confidently determine the pathogenicity of variants in TTN and accurately diagnose titinopathies. Objective: To illustrate the pattern of muscle involvement found by m

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13

Dai, Lixuan, Mingguang Ren, Zihong Li, Li Wang, and Weiying Lin. "A targetable fluorescent probe for imaging of mitochondrial viscosity in living cells." Analytical Methods 11, no. 36 (2019): 4561–65. http://dx.doi.org/10.1039/c9ay01575b.

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Valais, Ioannis G., Christos M. Michail, Stratos L. David, et al. "Luminescence Emission Properties of $({\rm Lu},{\rm Y})_{2}{\rm SiO}_{5}$:Ce (LYSO:Ce) and $({\rm Lu},{\rm Y}){\rm AlO}_{3}$:Ce (LuYAP:Ce) Single Crystal Scintillators Under Medical Imaging Conditions." IEEE Transactions on Nuclear Science 55, no. 2 (2008): 785–89. http://dx.doi.org/10.1109/tns.2008.918737.

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Valais, Ioannis G., Ioannis S. Kandarakis, Dimitris N. Nikolopoulos, et al. "Luminescence Properties of $({\rm Lu},{\rm Y})_{2}{\rm SiO}_{5}:{\rm Ce}$ and ${\rm Gd}_{2}{\rm SiO}_{5}:{\rm Ce}$ Single Crystal Scintillators Under X-Ray Excitation for Use in Medical Imaging Systems." IEEE Transactions on Nuclear Science 54, no. 1 (2007): 11–18. http://dx.doi.org/10.1109/tns.2006.888813.

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Khadem, Hossein, Maria Mangini, Somayeh Farazpour, and Anna Chiara De Luca. "Correlative Raman Imaging: Development and Cancer Applications." Biosensors 14, no. 7 (2024): 324. http://dx.doi.org/10.3390/bios14070324.

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Despite extensive research efforts, cancer continues to stand as one of the leading causes of death on a global scale. To gain profound insights into the intricate mechanisms underlying cancer onset and progression, it is imperative to possess methodologies that allow the study of cancer cells at the single-cell level, focusing on critical parameters such as cell morphology, metabolism, and molecular characteristics. These insights are essential for effectively discerning between healthy and cancerous cells and comprehending tumoral progression. Recent advancements in microscopy techniques hav

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Bottrell, Connor, Maan H. Hani, Hossen Teimoorinia, David R. Patton, and Sara L. Ellison. "The combined and respective roles of imaging and stellar kinematics in identifying galaxy merger remnants." Monthly Notices of the Royal Astronomical Society 511, no. 1 (2021): 100–119. http://dx.doi.org/10.1093/mnras/stab3717.

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ABSTRACT One of the central challenges to establishing the role of mergers in galaxy evolution is the selection of pure and complete merger samples in observations. In particular, while large and reasonably pure interacting galaxy pair samples can be obtained with relative ease via spectroscopic criteria, automated selection of post-coalescence merger remnants is restricted to the physical characteristics of remnants alone. Furthermore, such selection has predominantly focused on imaging data – whereas kinematic data may offer a complimentary basis for identifying merger remnants. Therefore, w

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Domínguez, Andrés, Maximiliano Noceti, Daniel Fino, and Pablo Ariza. "Elastografía hepática y otras secuencias avanzadas de RM (RM multiparamétrica)." Revista Argentina de Radiología / Argentinian Journal of Radiology 82, no. 02 (2018): 064–71. http://dx.doi.org/10.1055/s-0038-1641159.

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ResumenLa fibrosis es un destino donde convergen variados trastornos hepáticos. Al tratarse de un proceso dinámico y reversible, su detección temprana y una intervención terapéutica oportuna, pueden frenar su progresión. La elastografía por resonancia magnética (ERM), es un método no invasivo con notable eficacia para la valoración del grado de fibrosis hepática. La tendencia actual es combinar esa técnica con secuencias de cuantificación de lípidos y hierro, lo cual permite un abordaje multiparamétrico de los trastornos difusos del hígado.

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Zhou, Lin, and Yi Su. "GPR Imaging With RM Algorithm in Layered Mediums." IEEE Geoscience and Remote Sensing Letters 8, no. 5 (2011): 934–38. http://dx.doi.org/10.1109/lgrs.2011.2138116.

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Regnicolo, L., G. Polonara, and U. Salvolini. "Fast imaging in RM: Risultati in Neuroradiologia Pediatrica." Rivista di Neuroradiologia 12, no. 1 (1999): 21–22. http://dx.doi.org/10.1177/197140099901200104.

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Contopoulos, Ioannis, Ioannis Myserlis, Demosthenes Kazanas, and Antonios Nathanail. "Direct Imaging of the Cosmic Battery in M87*? Not Yet." Galaxies 10, no. 4 (2022): 80. http://dx.doi.org/10.3390/galaxies10040080.

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One of the fundamental conclusions of the Cosmic Battery (a means for producing poloidal magnetic flux in the vicinity of a black hole via the Poynting-Robertson effect on the accretion disk) is that it determines the direction of the axial magnetic field: near the black hole it is parallel to the angular velocity Ω of the surrounding disk, while further away it is anti-parallel to Ω. The EHT polarization observations of M87* where the innermost accretion disk is observed almost face-on thus offer an ideal opportunity to study the action of the Cosmic Battery, by deciding whether the field geo

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Cochrane, R. K., P. N. Best, I. Smail, et al. "Resolving a dusty, star-forming SHiZELS galaxy at z = 2.2 with HST, ALMA, and SINFONI on kiloparsec scales." Monthly Notices of the Royal Astronomical Society 503, no. 2 (2021): 2622–38. http://dx.doi.org/10.1093/mnras/stab467.

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ABSTRACT We present ∼0.15 arcsec spatial resolution imaging of SHiZELS-14, a massive ($M_{*}\sim 10^{11}\, \rm {M_{\odot }}$), dusty, star-forming galaxy at z = 2.24. Our rest-frame ${\sim}1\, \rm {kpc}$-scale, matched-resolution data comprise four different widely used tracers of star formation: the $\rm {H}\,\alpha$ emission line (from SINFONI/VLT), rest-frame UV continuum (from HST F606W imaging), the rest-frame far-infrared (from ALMA), and the radio continuum (from JVLA). Although originally identified by its modest $\rm {H}\,\alpha$ emission line flux, SHiZELS-14 appears to be a vigorous

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D'Aprile, P., A. Tarantino, A. Strada, and D. Brindicci. "RM Fetale." Rivista di Neuroradiologia 16, no. 1_suppl (2003): 234. http://dx.doi.org/10.1177/19714009030160s193.

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Cellerini, M., A. Konze, P. Sottili, G. Pellicanò, and G. Dal Pozzo. "Tecniche di angio-RM: Stato dell'arte." Rivista di Neuroradiologia 10, no. 2_suppl (1997): 82–84. http://dx.doi.org/10.1177/19714009970100s232.

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MRI is very sensitive to flow effects and they may be exploited to develop non-invasive techniques for imaging of the vascular anatomy. These techniques are referred to as Magnetic Resonance Angiography (MRA). MRA techniques can be classified in two major categories: time-of-flight (TOF) and phase contrast (PC). Both techniques rely on different physical effects; inflow-enhancement and flow-induced phase shift respectively. In both techniques definitive angiographic images are obtained by means of post-processing of data with a Maximum Intensity Projection (MIP) algorithm. TOF MRA can be class

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Wang, Ling-Uei, Tzu-Han Hsieh, Fang-Ting Chen, Yun-Ju Chen, Jia-Kang Wang, and Yung-Ray Hsu. "Insights into Retinal Metastasis from Systemic Carcinoma: A Systematic Review of Clinical and Multimodal Imaging Characteristics." Journal of Clinical Medicine 13, no. 20 (2024): 6037. http://dx.doi.org/10.3390/jcm13206037.

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Background/Objectives: Retinal metastasis (RM) is an exceptionally rare clinical condition, comprising less than 1% of ocular metastasis cases. This study aims to investigate the clinical features of RM originating from systemic carcinoma. Methods: A systematic review (PROSPERO ID: CRD42022344724). Results: The systematic review revealed 58 cases involving 61 eyes. Most of the cases (82.8%) had a known primary malignancy before RM was diagnosed. The main primary sites were the lung (45.8%), gastrointestinal tract (23.7%), and breast (16.9%). The lung was the most common (80.0%) carcinoma in ca

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Tamaoki, Shohei, Koji Sugitani, and Takayoshi Kusune. "Near-IR imaging polarimetry of the RCW 106 cloud complex." Proceedings of the International Astronomical Union 14, A30 (2018): 109. http://dx.doi.org/10.1017/s1743921319003648.

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AbstractWe have carried out near-IR imaging polarimetry toward RCW 106 with the JHKs-simultaneous imaging polarimeter SIRPOL mounted on the IRSF 1.4m telescope at SAAO, in March and May, 2017 and January, 2018. We have observed 29 fields and covered mostly the southern part of the giant molecular cloud complex associated with the ${{\rm{H}}_\mathbb{I}}$ region RCW 106, which is located at a distance of 3.5 kpc (Moises etal 2011) and is elongated approximately in the north-south direction with a size of ∼70×15 pc. Our preliminary analysis indicates that the magnetic field seems to globally run

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Caldana, Wanda Chiyoko Iwakami, Rozana Mesquita Ciconelli, Yara Juliano, and Artur da Rocha Corrêa Fernandes. "A ressonância magnética do quadril na avaliação de pacientes com artrite reumatóide: estudo descritivo." Radiologia Brasileira 38, no. 4 (2005): 255–60. http://dx.doi.org/10.1590/s0100-39842005000400005.

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OBJETIVO: Avaliar o valor da ressonância magnética (RM) como modalidade diagnóstica de imagem em pacientes com artrite reumatóide e estimar a freqüência das alterações no quadril em pacientes sintomáticos e assintomáticos. MATERIAIS E MÉTODOS: Foram avaliados 40 pacientes (17 sintomáticos e 23 assintomáticos) em equipamento de RM com 1,5 T, com o uso do contraste endovenoso. Os achados de RM foram subdivididos em alterações inflamatórias, degenerativas, mistas (inflamatórias e degenerativas) e extra-articulares. RESULTADOS: As alterações mais freqüentes na RM de quadril dos pacientes sintomáti

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Chen, Geoff C.-F., Christopher D. Fassnacht, Sherry H. Suyu, et al. "A SHARP view of H0LiCOW: H0 from three time-delay gravitational lens systems with adaptive optics imaging." Monthly Notices of the Royal Astronomical Society 490, no. 2 (2019): 1743–73. http://dx.doi.org/10.1093/mnras/stz2547.

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ABSTRACT We present the measurement of the Hubble constant, H0, with three strong gravitational lens systems. We describe a blind analysis of both PG 1115+080 and HE 0435−1223 as well as an extension of our previous analysis of RXJ 1131−1231. For each lens, we combine new adaptive optics (AO) imaging from the Keck Telescope, obtained as part of the SHARP (Strong-lensing High Angular Resolution Programme) AO effort, with Hubble Space Telescope (HST) imaging, velocity dispersion measurements, and a description of the line-of-sight mass distribution to build an accurate and precise lens mass mode

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Smethurst, R. J., B. D. Simmons, C. J. Lintott, and J. Shanahan. "Secularly powered outflows from AGNs: the dominance of non-merger driven supermassive black hole growth." Monthly Notices of the Royal Astronomical Society 489, no. 3 (2019): 4016–31. http://dx.doi.org/10.1093/mnras/stz2443.

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ABSTRACT Recent observations and simulations have revealed the dominance of secular processes over mergers in driving the growth of both supermassive black holes (SMBHs) and galaxy evolution. Here, we obtain narrow-band imaging of AGN powered outflows in a sample of 12 galaxies with disc-dominated morphologies, whose history is assumed to be merger-free. We detect outflows in 10/12 sources in narrow-band imaging of the $\mathrm{[O\, \small {III}] }$ $5007~\mathring{\rm A}$ emission using filters on the Shane-3m telescope. We calculate a mean outflow rate for these AGNs of $0.95\pm 0.14~\rm {M}

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Wang, Ning, and Matteo Ravasi. "Imaging the Volve ocean-bottom field data with the upside-down Rayleigh–Marchenko method." Geophysical Journal International 241, no. 2 (2025): 1432–47. https://doi.org/10.1093/gji/ggaf116.

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SUMMARY Ocean-bottom seismic acquisitions are gaining widespread popularity across a variety of subsurface applications. However, the high cost of these systems often necessitates receiver geometries with large intervals between ocean-bottom cables or nodes. The upside-down Rayleigh–Marchenko (UD–RM) method has been recently proposed as an effective solution for accurate redatuming and imaging of sparse seabed data. In this paper, we present the first successful application of the UD–RM method to field data. We demonstrate that in the presence of a shallow seabed, an improved data pre-processi

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Bernardes, Renata Junqueira Moll, Edson Marchiori, Paulo Manuel de Barros Bernardes, Maria Beatriz Albano Monzo Gonzaga, and Luiz Carlos Simões. "Avaliação pré e pós-operatória da tetralogia de Fallot por ressonância magnética." Radiologia Brasileira 37, no. 4 (2004): 251–60. http://dx.doi.org/10.1590/s0100-39842004000400007.

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A proposta deste trabalho foi estudar, prospectivamente, por ressonância magnética (RM), pacientes com diagnóstico de tetralogia de Fallot e avaliar a validade da RM como exame pré e pós-operatório nesses pacientes. Foram estudados, através de seqüências spin-eco e angiografia por RM (angio-RM) com utilização de gadolínio, 20 pacientes com idades entre 1 e 29 anos. Onze pacientes apresentavam a forma clássica da tetralogia de Fallot e nove, a forma extrema (tetralogia de Fallot com atresia pulmonar). O estudo permitiu a avaliação adequada da aorta, possibilitando a análise quanto à presença ou

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Sabatini, M., E. Puglielli, F. D'Emidio, et al. "RM in pediatria." Rivista di Neuroradiologia 16, no. 3 (2003): 525–27. http://dx.doi.org/10.1177/197140090301600337.

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We describe the anaesthesiological protocol and monitoring system for children receiving sedation or general anaesthesia during MR investigation at our hospital. Constant recourse to sedation and analgesia during diagnostic procedures in children makes non-invasive monitoring of vital parameters essential in these patients. The use of short-acting drugs has the advantage of offering effective sedation with an increasingly low incidence of side effects. We report the ten year experience of a single anaesthetist monitoring children undergoing MR scans. Diagnostic quality MR investigation was pos

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Simonetti, L., M. Menditto, and R. Elefante. "Confronto tra TC ed RM: La RM nella patologia vascolare." Rivista di Neuroradiologia 4, no. 3_suppl (1991): 21–25. http://dx.doi.org/10.1177/19714009910040s305.

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La patologia vascolare encefalica, ischemica ed emorragica, rappresenta uno dei capitoli più importanti della pratica clinica neuroradiologica. Nella patologia ischemica acuta la TC rappresenta tutt'ora il principale strumento diagnostico. La RM è superiore alla TC nello studio delle lesioni localizzate nella porzione inferiore della fossa cranica posteriore, a causa dei limiti imposti alla TC dalla presenza degli artefatti secondari alle strutture ossee della base cranica. Inoltre la RM è più sensibile agli infarcimenti emorragici di focolai ischemici. Infine la RM risulta indispensabile per

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Caramia, F., P. Pantano, and L. Bozzao. "Risonanza magnetica di diffusione e perfusione." Rivista di Neuroradiologia 13, no. 2 (2000): 207–15. http://dx.doi.org/10.1177/197140090001300208.

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Negli ultimi anni, grazie allo sviluppo nel campo della tecnologia ultraveloce e ad una migliore comprensione dei principi fisici che regolano l'azione dei mezzi di contrasto per RM, è stata introdotta una modalità di imaging funzionale completamente nuova, la RM funzionale. Le tecniche funzionali permettono l'acquisizione di mappe dei principali parametri emodinamici (RM di perfusione o PWI), la valutazione della mobilità delle molecole d'acqua (RM di diffusione o DWI) e lo studio delle attivazioni neuronali (fMRI). La combinazione delle diverse tecniche funzionali permette di valutare nello

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Camps Herrero, J. "Controversias en RM de mama." Radiología 52 (June 2010): 26–29. http://dx.doi.org/10.1016/j.rx.2010.01.008.

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Mar Sarmiento de la Iglesia, M. a., Gonzalo Lecumberri Cortés, Iñigo Lecumberri Cortés, Laura Oleaga Zufiria, María Isusi Fontan, and Domingo Grande Icaran. "Calcificaciones intracraneales. Imagen por RM." Radiología 48, no. 1 (2006): 19–26. http://dx.doi.org/10.1016/s0033-8338(06)73125-3.

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Stasiak, Camila Edith Stachera, Athos Cardillo, Sergio Altino de Almeida, Rosana Souza Rodrigues, Paulo Henrique Rosado de Castro, and Daniella Braz Parente. "Avaliação pré-operatória do câncer de próstata pela tomografia por emissão de pósitrons/tomografia computadorizada com PSMA-68Ga: comparação com ressonância magnética e com achados histopatológicos." Radiologia Brasileira 56, no. 4 (2023): 171–78. http://dx.doi.org/10.1590/0100-3984.2022.0122.

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Resumo Objetivo: Avaliar a acurácia da tomografia por emissão de pósitrons/tomografia computadorizada com PSMA (PET-PMSA) pré-operatória para estadiamento do câncer de próstata e compará-la com a ressonância magnética (RM) utilizando o histopatológico cirúrgico como padrão ouro. Materiais e Métodos: Neste estudo retrospectivo foram analisados 65 pacientes com câncer de próstata. Resultados: A acurácia da PET-PSMA para a detecção tumoral foi de 95% e a da RM foi de 91%. Não houve diferença entre a PET-PSMA e a RM quanto à localização da lesão. A PET-PSMA apresentou baixa sensibilidade (14%) par

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Kossakowski, Diana, Néstor Espinoza, Rafael Brahm, et al. "TOI-150b and TOI-163b: two transiting hot Jupiters, one eccentric and one inflated, revealed by TESS near and at the edge of the JWST CVZ." Monthly Notices of the Royal Astronomical Society 490, no. 1 (2019): 1094–110. http://dx.doi.org/10.1093/mnras/stz2433.

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Abstract We present the discovery of TYC9191-519-1b (TOI-150b, TIC 271893367) and HD271181b (TOI-163b, TIC 179317684), two hot Jupiters initially detected using 30-min cadence Transiting Exoplanet Survey Satellite (TESS) photometry from Sector 1 and thoroughly characterized through follow-up photometry (CHAT, Hazelwood, LCO/CTIO, El Sauce, TRAPPIST-S), high-resolution spectroscopy (FEROS, CORALIE), and speckle imaging (Gemini/DSSI), confirming the planetary nature of the two signals. A simultaneous joint fit of photometry and radial velocity using a new fitting package juliet reveals that TOI-

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Cabayol-Garcia, L., M. Eriksen, A. Alarcón, et al. "The PAU Survey: background light estimation with deep learning techniques." Monthly Notices of the Royal Astronomical Society 491, no. 4 (2019): 5392–405. http://dx.doi.org/10.1093/mnras/stz3274.

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ABSTRACT In any imaging survey, measuring accurately the astronomical background light is crucial to obtain good photometry. This paper introduces BKGnet, a deep neural network to predict the background and its associated error. BKGnet has been developed for data from the Physics of the Accelerating Universe Survey (PAUS), an imaging survey using a 40 narrow-band filter camera (PAUCam). The images obtained with PAUCam are affected by scattered light: an optical effect consisting of light multiply reflected that deposits energy in specific detector regions affecting the science measurements. Fo

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Martí-Bonmatí, Luis. "Abdominal MR imaging and radiomics in the Metabolic Syndrome." ANALES RANM 135, no. 02 (2018): 151–59. http://dx.doi.org/10.32440/ar.2018.135.02.rev07.

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Anzalone, N. "Angio-RM dei tronchi sovraortici." Rivista di Neuroradiologia 10, no. 2_suppl (1997): 91–92. http://dx.doi.org/10.1177/19714009970100s235.

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Several studies have been published on the usefulness of MR angiography of carotid bifurcations and epiaortic vessels. Almost all of them were carried out with the Time-of-Flight technique, most of them using the 2D acquisition modality. These studies claim a good overall sensitivity and specificity by comparison to digital subtraction angiography, Doppler ultrasound or both in the demonstration of carotid clinically relevant stenosis, with a slight overestimation of the degree of stenosis, especially in the moderate and severe groups. Unlike Doppler ultrasound, distal cervical and proximal in

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Shibahara, Tomoya, Tomonaga Matsushita, Ryu Matsuo, et al. "Anti-Cyclic Citrullinated Peptide Antibody-Positive Meningoencephalitis in the Preclinical Period of Rheumatoid Arthritis." Case Reports in Neurology 8, no. 2 (2016): 156–60. http://dx.doi.org/10.1159/000447627.

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Rheumatoid meningoencephalitis (RM) is a rare complication of rheumatoid arthritis (RA). This report describes a 63-year-old man with complaints of high-grade fever, headache, and vomiting for several days before admission. Both his serum and cerebrospinal fluid were positive for anti-cyclic citrullinated peptide (CCP) antibody and rheumatoid factor, and contrast-enhanced fluid-attenuated inversion recovery magnetic resonance imaging (MRI) showed abnormal gadolinium enhancement of the meninges and high-intensity lesions in the subarachnoid spaces. The patient was diagnosed with RM despite lack

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Jaiswal, S., and A. Omar. "H i imaging of dwarf star-forming galaxies: masses, morphologies, and gas deficiencies." Monthly Notices of the Royal Astronomical Society 498, no. 4 (2020): 4745–89. http://dx.doi.org/10.1093/mnras/staa2420.

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ABSTRACT The Giant Meter-wave Radio Telescope observations of the H i 21 cm-line emission from 13 nearby dwarf star-forming galaxies are presented. These galaxies are selected from the catalogues of Wolf−Rayet galaxies having very young (≤10 Myr) star formation. The ranges of star formation rates and stellar masses of the sample galaxies are 0.03–1.7 M⊙ yr−1 and 0.04–22.3 × 108 M⊙, respectively. The H i line emission is detected from 12 galaxies with peak column density &gt;1 × 1021 cm−2. The 3σ H i column density sensitivities per channel width of 7 km s−1 for low (60 arcsec × 60 arcsec)

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Cavalcanti Filho, José Leite Gondim, Léa Mirian Barbosa da Fonseca, Romeu Côrtes Domingues, Roberto Côrtes Domingues, Luiz Souza de Machado Neto, and Emerson Leandro Gasparetto. "PET-RM neurológico com FDG-18F: ensaio iconográfico." Radiologia Brasileira 43, no. 3 (2010): 195–201. http://dx.doi.org/10.1590/s0100-39842010000300012.

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A integração da tomografia por emissão de pósitrons (PET) com a ressonância magnética (RM) tem sido alvo de diversos estudos nos últimos anos. O PET é a modalidade de imagem mais sensível e específica na detecção de alterações metabólicas, entretanto, apresenta limitada resolução espacial. Por outro lado, a RM apresenta importante resolução espacial, além de avaliar estruturas com intensidade de sinal de partes moles com excelente contraste. O objetivo deste estudo é demonstrar, na forma de ensaio iconográfico, as potenciais aplicações clínicas da fusão de imagens de PET e RM. Os exames foram

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Poirier, Donald, Qi Chen, René Maltais, Jenny Roy, Forkan Ahamed, and Shannon Arnold. "Abstract 5639: A potent aminosteroid (RM-581) that inhibits orally in mice the tumor growth in an orthotopic xenograft pancreatic cancer model." Cancer Research 85, no. 8_Supplement_1 (2025): 5639. https://doi.org/10.1158/1538-7445.am2025-5639.

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Abstract Pancreatic cancer has a very poor prognosis, with a 5-year survival rate of only 10%, making it imperative to develop effective small molecules as new drugs. The aim of this study was to validate the in vitro and in vivo efficacy of a promising endoplasmic reticulum-stress aggravator, the synthetic aminosteroid RM-581, that induces apoptosis, as a potential treatment for pancreatic cancer. When tested on a panel of human (PANC-1, MIACaPa2, L3.6, CAPAN-1, BxPC3) and murine (Pan02) pancreatic cancer cells, RM-581 strongly reduced their proliferation (IC50 = 0.83, 0.45, 2.10, 0.78, 5.75

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Tohi, Yoichiro, Hiroyuki Tsunemori, Kengo Fujiwara, et al. "Nerve-Sparing Robotic-Assisted Radical Prostatectomy Based on the Absence of Prostate Imaging-Reporting and Data System ≥3 or Biopsy Gleason Pattern ≥4 in the Peripheral Zone." Cancers 17, no. 6 (2025): 962. https://doi.org/10.3390/cancers17060962.

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Background/Objectives: The objective of this study was to evaluate the oncological outcomes and safety of nerve-sparing (NS) robot-assisted radical prostatectomy (RARP) when applied without Prostate Imaging-Reporting and Data System (PI-RADS) ≥3 lesions or Gleason pattern ≥4 on biopsy in the peripheral zone (PZ). Methods: We retrospectively analyzed 208 patients who underwent RARP between August 2017 and December 2022, excluding those who had received preoperative hormonal therapy. After NS status stratification and patient characteristic adjustment using propensity score matching (PSM), posit

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Ferrari, G., A. Bacci, C. Mascari, V. Manetto, and A. Pazzaglia. "Esoftalmo: Correlazioni anatomo-radiologiche A proposito di tre casi." Rivista di Neuroradiologia 8, no. 3 (1995): 437–44. http://dx.doi.org/10.1177/197140099500800310.

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Le cause di esoftalmo sono estremamente variabili. La diagnosi si avvale di elementi clinici obiettivi e di imaging. Focalizziamo l'attenzione sulla TC e la RM che forniscono dati essenziali per l'inquadramento etiopatogenetico dell'affezione. Vengono presentati 3 casi di esoftalmo la cui causa, al reperto TC e RM, era diversa, analizzandone le caratteristiche in funzione della natura istologica della lesione. Si tratta di un caso di angioma cavernoso, una caso di dacrioadenite e un caso di cisti sierosa del muscolo retto laterale. Le modificazioni di densità (TC), di segnale (RM) e il rapport

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Göbel, Silke M., Rebecca Terry, Elise Klein, Mark Hymers, and Liane Kaufmann. "Impaired Arithmetic Fact Retrieval in an Adult with Developmental Dyscalculia: Evidence from Behavioral and Functional Brain Imaging Data." Brain Sciences 12, no. 6 (2022): 735. http://dx.doi.org/10.3390/brainsci12060735.

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Developmental dyscalculia (DD) is a developmental disorder characterized by arithmetic difficulties. Recently, it has been suggested that the neural networks supporting procedure-based calculation (e.g., in subtraction) and left-hemispheric verbal arithmetic fact retrieval (e.g., in multiplication) are partially distinct. Here we compared the neurofunctional correlates of subtraction and multiplication in a 19-year-old student (RM) with DD to 18 age-matched controls. Behaviorally, RM performed significantly worse than controls in multiplication, while subtraction was unaffected. Neurofunctiona

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Kim, Young Hoon, Sang Soo Shin, Lauren M. B. Burke, et al. "Hemangioma hepático subcapsular com realce perilesional: achados de RM." Radiologia Brasileira 43, no. 6 (2010): 384–88. http://dx.doi.org/10.1590/s0100-39842010000600010.

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OBJETIVO: Descrever os achados de imagem de RM no hemangioma hepático com realce perilesional. MATERIAIS E MÉTODOS: Realizou-se uma pesquisa no banco de dados da unidade de RM para identificar todos os casos de hemangioma hepático com realce perilesional entre março de 2008 e julho de 2009. Todos os pacientes foram submetidos a RM pré-contraste em imagens ponderadas em T1 e T2 e em imagens dinâmicas após injeção de gadolínio. Características do hemangioma e do realce perilesional foram avaliadas nas imagens de RM. RESULTADOS: Sete hemangiomas em sete pacientes (cinco homens, duas mulheres; fai

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Karam, Francisco Consoli, Jefferson Luís Braga da Silva, Marcos William Fridman, et al. "A ressonância magnética para o diagnóstico das lesões condrais, meniscais e dos ligamentos cruzados do joelho." Radiologia Brasileira 40, no. 3 (2007): 179–82. http://dx.doi.org/10.1590/s0100-39842007000300009.

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OBJETIVO: Avaliar o valor diagnóstico da ressonância magnética (RM) do joelho. MATERIAIS E MÉTODOS: Setenta e dois pacientes foram submetidos a RM previamente à artroscopia do joelho realizada por um único cirurgião e considerada como método padrão. Verificou-se a sensibilidade, a especificidade, os valores de verossimilhança e a concordância entre o radiologista e o ortopedista em classificar as lesões. RESULTADOS: O coeficiente de concordância kappa entre a RM e a artroscopia, em classificar as lesões, foi muito bom para lesões de ligamento cruzado anterior (0,84), bom para o menisco lateral

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