Zobrazeno 1 - 10 of 16 pro vyhledávání: '"Four-Dimensional Computed Tomography/methods"'
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The use of dynamic CT imaging for tracking mandibular movements in a phantom
Autor: Stijn E F Huys, Benyameen Keelson, Yannick de Brucker, Gert Van Gompel, Johan de Mey, Jos Vander Sloten, Nico Buls
Purpose. The objective of this study was to analyse the possibilities of using 4D CT scanning for the tracking of patients’ mandibles. Methods. A clinical 256-slice Revolution CT was used in obtaining 4D CT scans without table movement, with a nove
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::66d81765902d41cf3d3f8ff8bbbb292a
https://hdl.handle.net/20.500.14017/e2b065fa-4bd1-414e-b902-4c74489e0ca5
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3
Dynamic contrast-enhanced computed tomography as a potential biomarker in patients with metastatic colorectal cancer treated with regorafenib
Autor: Dennis Tønner Nielsen, Iben R Andersen, Anders Boysen, Lars Henrik Jensen, Finn Rasmussen, Rene K Olesen, Frank Viborg Mortensen
Publikováno v: Andersen, I R, Olesen, R, Boysen, A K, Jensen, L H, Mortensen, F V, Nielsen, D T & Rasmussen, F 2019, ' Dynamic contrast-enhanced computed tomography as a potential biomarker in patients with metastatic colorectal cancer treated with regorafenib ', Acta Radiologica, vol. 60, no. 7, pp. 836-845 . https://doi.org/10.1177/0284185118806652
Background: RECIST 1.1 presents challenges when evaluating treatment response to angiogenesis inhibitors. The objective response rate, when evaluating the treatment effect of regorafenib, using RECIST 1.1, is < 2% and beneficial treatment could erron
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::085dde37d6a9e67d28dec1e603503b0e
https://doi.org/10.1177/0284185118806652
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4
Akademický článek
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5
Dynamic contrast-enhanced computed tomography in the treatment evaluation of patients with colorectal liver metastases treated with ablation: a feasibility study
Autor: Andersen, Iben R, Olesen, Rene, Boysen, Anders K, Jensen, Lars H, Mortensen, Frank V, Nielsen, Dennis T, Rasmussen, Finn
Publikováno v: Andersen, I R, Thorup, K, Jepsen, B N, Mortensen, F V, Nielsen, D T & Rasmussen, F 2019, ' Dynamic contrast-enhanced computed tomography in the treatment evaluation of patients with colorectal liver metastases treated with ablation: a feasibility study ', Acta Radiologica, vol. 60, no. 8, pp. 936-945 . https://doi.org/10.1177/0284185118806661
Andersen, I R, Olesen, R, Boysen, A K, Jensen, L H, Mortensen, F V, Nielsen, D T & Rasmussen, F 2018, ' Dynamic contrast-enhanced computed tomography in the treatment evaluation of patients with colorectal liver metastases treated with ablation : a feasibility study ' Acta Radiologica-Series Diagnosis . https://doi.org/10.1177/0284185118806661
Background A major concern following ablation treatment is the risk of insufficient heating leaving vital tumor tissue at the treatment site, leading to recurrent disease and reduced survival. Dynamic contrast-enhanced computed tomography (DCE-CT) ha
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17f2dee70e885ec841bb1c36a5fec2dc
https://pubmed.ncbi.nlm.nih.gov/30335477
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6
Ultrasound-driven 4D MRI
Autor: Oliver Bieri, Zarko Celicanin, Philippe C. Cattin, Alina Giger, Marc A. Stadelmann, Valeria De Luca, Frank Preiswerk, Rares Salomir, Christoph Jud
Publikováno v: Physics in Medicine and Biology, Vol. 63, No 14 (2018) P. 145015
We present an ultrasound-driven 4D magnetic resonance imaging (US-4DMRI) method for respiratory motion imaging in the thorax and abdomen. The proposed US-4DMRI comes along with a high temporal resolution, and allows for organ motion imaging beyond a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d03cab9a554ca76641aaaf360b8a26c
https://archive-ouverte.unige.ch/unige:127092
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7
Effects of quantum noise in 4D-CT on deformable image registration and derived ventilation data
Autor: Craig W. Stevens, Andre Dekker, Kujtim Latifi, Mikalai M. Budzevich, Tzung Chi Huang, Thomas J. Dilling, Vladimir Feygelman, Eduardo G. Moros, Wouter van Elmpt, Geoffrey Zhang
Publikováno v: Physics in Medicine and Biology, 7661-7672. IOP Publishing Ltd.
STARTPAGE=7661;ENDPAGE=7672;ISSN=0031-9155;TITLE=Physics in Medicine and Biology
Quantum noise is common in CT images and is a persistent problem in accurate ventilation imaging using 4D-CT and deformable image registration (DIR). This study focuses on the effects of noise in 4D-CT on DIR and thereby derived ventilation data. A t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2cd8d25b10e37f1188f2b81aae72cd2f
https://cris.maastrichtuniversity.nl/en/publications/5efd1478-370a-4afb-86dc-c6c1286fe7f1
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8
Breathing adapted radiotherapy: a 4D gating software for lung cancer
Autor: Vincent Vinh-Hung, Pascal Fenoglietto, Osman Ratib, Habib Zaidi, Michael Wissmeyer, David Azria, Jacqueline Vock, Raymond Miralbell, Nicolas Peguret
Publikováno v: Radiation Oncology, Vol. 6 (2011) P. 78
Radiation Oncology
Radiation Oncology (London, England)
Radiation oncology (London England)
Peguret, Nicolas; Vock, Jacqueline; Vinh-Hung, Vincent; Fenoglietto, Pascal; Azria, David; Zaidi, Habib; Wissmeyer, Michael; Ratib, Osman; Miralbell, Raymond (2011). Breathing adapted radiotherapy: a 4D gating software for lung cancer. Radiation oncology, 6, p. 78. London: BioMed Central 10.1186/1748-717X-6-78
Radiation Oncology, Vol 6, Iss 1, p 78 (2011)
Purpose Physiological respiratory motion of tumors growing in the lung can be corrected with respiratory gating when treated with radiotherapy (RT). The optimal respiratory phase for beam-on may be assessed with a respiratory phase optimizer (RPO), a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0239f0d69ae457c4cfa5c0b5c91ca938
https://archive-ouverte.unige.ch/unige:23501
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9
Gating and tracking, 4D in thoracic tumours
Autor: N Linthout, Thomas Gevaert, Tom Depuydt, T Reynders, Michael Duchateau, Guy Storme, K Tournel, Dirk Verellen, M. De Ridder
Publikováno v: Cancer radiothérapie
The limited ability to control for a tumour's location compromises the accuracy with which radiation can be delivered to tumour-bearing tissue. The resultant requirement for larger treatment volumes to accommodate target uncertainty restricts the rad
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ebff21346d80ee895b5beeac5b87a1e
https://hdl.handle.net/20.500.14017/4e942dcb-ee07-4397-b58d-3e09f5dd3d43
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10
Four-dimensional computed tomography protocol for preoperative evaluation of the parathyroid glands and its correlations with other imaging methods: a pictorial essay
Autor: Almir Galvão Vieira Bitencourt, Gislaine Cristina Lopes Machado Porto, Ivone do Carmo Gonçalves Torres, Stephanie Yuka Matwijszyn Nagano
Publikováno v: Radiologia Brasileira
Radiologia Brasileira v.54 n.3 2021
Colégio Brasileiro de Radiologia e Diagnóstico por Imagem (CBR)
instacron:CBR
Radiologia Brasileira, Volume: 54, Issue: 3, Pages: 193-197, Published: 24 MAY 2021
Parathyroid adenoma is the most common cause of primary hyperparathyroidism. Advances in surgical techniques have made it possible to excise only the affected parathyroid gland in most cases. Imaging examinations play a fundamental role in the preope
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4556add6d92ecc4aa5b6887e693e2a99
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-39842021000300193&tlng=en
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