Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Stefanos Theocharis"'
Autor:
Stefanos Theocharis, Eleftherios P Pappas, Ioannis Seimenis, Panagiotis Kouris, Dimitrios Dellios, Georgios Kollias, Pantelis Karaiskos
Publikováno v:
PLoS ONE, Vol 17, Iss 5, p e0268925 (2022)
Magnetic Resonance images (MRIs) are employed in brain Stereotactic Radiosurgery and Radiotherapy (SRS/SRT) for target and/or critical organ localization and delineation. However, MRIs are inherently distorted, which also impacts the accuracy of the
Externí odkaz:
https://doaj.org/article/765cc7d3100a4cf48bef35745a8ebe65
Autor:
Eleftherios P. Pappas, Ioannis Seimenis, Panagiotis Kouris, Stefanos Theocharis, Kostas I. Lampropoulos, Georgios Kollias, Pantelis Karaiskos
Publikováno v:
Journal of applied clinical medical physics. 23(5)
In frame-based Gamma Knife (GK) stereotactic radiosurgery two treatment planning workflows are commonly employed; one based solely on magnetic resonance (MR) images and the other based on magnetic resonance/computed tomography (MR/CT) co-registered i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b18b45094dddfbec25171b328572025
https://pubmed.ncbi.nlm.nih.gov/35285583
https://pubmed.ncbi.nlm.nih.gov/35285583
Autor:
Virginia Tsapaki, Sotiria Triantopoulou, Stefanos Theocharis, V. Delatolas, Athanasios Giannakopoulos, Konstantina D. Paraskeva, P. Angelogiannopoulou, Vasilios Papastergiou
Publikováno v:
Physica Medica. 64:69-73
Introduction Endoscopic Retrograde Cholangio-Pancreatography (ERCP) is an well-established endoscopic procedure for the management of biliary diseases. The use of fluoroscopy during ERCP has often raised concerns regarding potential risks from radiat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4298430f5498f2f4994994019a6fa97e
https://doi.org/10.1016/j.ejmp.2019.06.002
https://doi.org/10.1016/j.ejmp.2019.06.002
Autor:
Vasilios Papastergiou, Virginia Tsapaki, Konstantina D. Paraskeva, Athanasios Giannakopoulos, Stefanos Theocharis, Chariklia Triantopoulou, N. Angelogiannakopoulou, Stamatia Papaeuthimiou
Publikováno v:
Physica Medica. 52:110-111
Purpose Endoscopic Retrograde Cholangio-Pancreatography (ERCP) is a well-established endoscopic procedure for treatment or palliation of a great variety of hepatobiliary and pancreatic diseases, routinely performed using X-ray fluoroscopy. Due to ext
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11d36ca2124f8475744fd879d6971ea7
https://doi.org/10.1016/j.ejmp.2018.06.366
https://doi.org/10.1016/j.ejmp.2018.06.366
Autor:
Stefanos Theocharis, Sotiria C. Apostolopoulou, Irene Mastorakou, Virginia Tsapaki, Sofia Kottou, N. Kollaros
Publikováno v:
Physica Medica. 52:108
Purpose The present study aims to determine radiation dose as well as to estimate the effective dose, in a large number of pediatric interventional cardiology diagnostic and therapeutic procedures, in the context of the optimization of radiation prot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dce4f4358e418adb63e1e114950ee350
https://doi.org/10.1016/j.ejmp.2018.06.360
https://doi.org/10.1016/j.ejmp.2018.06.360
Publikováno v:
Physica Medica. 52:74
Purpose Cone beam CT (CBCT) is an advanced imaging technique compared to panoramic radiography and of lower cost than a conventional CT procedure. Its advantages are the focused imaging of the maxillofacial region and a reduced radiation exposure wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d89a4c8f66bae86cdce13a4ddea583c
https://doi.org/10.1016/j.ejmp.2018.06.265
https://doi.org/10.1016/j.ejmp.2018.06.265
Publikováno v:
Physica Medica. 52:97
Purpose Though ultrasound imaging is a technique operating without the use of ionizing radiation, still quality control of the equipment is important. Performance evaluation can lead to identification of image quality degradation that, if not early d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47e7a1622f1ac2ab3bfc122768f9fb53
https://doi.org/10.1016/j.ejmp.2018.06.331
https://doi.org/10.1016/j.ejmp.2018.06.331