Zobrazeno 1 - 10
of 1 396
pro vyhledávání: '"respiratory gating"'
Autor:
Haiqiong Zhang, Meixi Liu, Ximin Shi, Jiangyu Ma, Chao Ren, Zhenghai Huang, Ying Wang, Hongli Jing, Li Huo
Publikováno v:
EJNMMI Physics, Vol 11, Iss 1, Pp 1-16 (2024)
Abstract Purposes To explore the clinical feasibility and efficacy of a deep inspiration breath-hold (BH) PET/CT using [18F]AlF-NOTA-LM3 on upper abdominal lesions in patients with neuroendocrine tumors (NETs). Methods Twenty-three patients underwent
Externí odkaz:
https://doaj.org/article/db25880996b54962873d38ca2e772d5e
Autor:
John M. Karemaker
Publikováno v:
Frontiers in Neuroscience, Vol 18 (2024)
During an ECG-training course, a case of extreme respiratory sinus arrhythmia (RSA) was found in a 19-year-old slender, female student who was not active in sports. The heart rate (HR) fluctuated from above 100 to below 60 beats per minute (bpm), oft
Externí odkaz:
https://doaj.org/article/39e5a4339d204fce98027b8ba50c7753
Autor:
Naoki Miyamoto, Norio Katoh, Takahiro Kanehira, Kohei Yokokawa, Ryusuke Suzuki, Yusuke Uchinami, Hiroshi Taguchi, Daisuke Abo, Hidefumi Aoyama
Publikováno v:
Physics and Imaging in Radiation Oncology, Vol 31, Iss , Pp 100623- (2024)
Real-time tumor-tracking volumetric modulated arc therapy (RT-VMAT) enabling beam-gating based on continuous X-ray tracking of the three-dimensional position of internal markers is relevant for moving tumors. Dose-volume characteristics and treatment
Externí odkaz:
https://doaj.org/article/f2b1979ee7f4400aa684fe572eb1a041
Publikováno v:
Cancer Medicine, Vol 13, Iss 10, Pp n/a-n/a (2024)
Abstract Background and Purpose Respiratory movement has an important impact on the radiotherapy for lung tumor. Respiratory gating technology is helpful to improve the accuracy of target delineation. This study investigated the value of prospective
Externí odkaz:
https://doaj.org/article/4b8d8fe3555048fabc40c03d0de67713
Publikováno v:
Frontiers in Physics, Vol 12 (2024)
Objective: To evaluate and compare the image quality of T2-weighted abdominal scans using a respiratory belt trigger (RBT) and frequency-modulated continuous wave (FMCW)-trigger (FT) techniques and to explore the feasibility of FT in abdominal magnet
Externí odkaz:
https://doaj.org/article/200f7b8c71d9428f8dc392d7ddb418cf
Autor:
James Wang, Dalton Bermudez, Weijie Chen, Divya Durgavarjhula, Caitlin Randell, Meltem Uyanik, Alan McMillan
Publikováno v:
Frontiers in Nuclear Medicine, Vol 4 (2024)
Positron Emission Tomography (PET) is a powerful medical imaging technique widely used for detection and monitoring of disease. However, PET imaging can be adversely affected by patient motion, leading to degraded image quality and diagnostic capabil
Externí odkaz:
https://doaj.org/article/2b2336d576b34bdb97c8a6ec81fc492b
Autor:
Daphné Faist, Mario Jreige, Valentin Oreiller, Marie Nicod Lalonde, Niklaus Schaefer, Adrien Depeursinge, John O. Prior
Publikováno v:
European Journal of Hybrid Imaging, Vol 6, Iss 1, Pp 1-9 (2022)
Abstract Background Quality and reproducibility of radiomics studies are essential requirements for the standardisation of radiomics models. As recent data-driven respiratory gating (DDG) [18F]-FDG has shown superior diagnostic performance in lung ca
Externí odkaz:
https://doaj.org/article/e9b72338bc5e4902b465c9defa8117ca
Autor:
Yoshinori Tanabe, Hidekazu Tanaka
Publikováno v:
Physics and Imaging in Radiation Oncology, Vol 24, Iss , Pp 82-87 (2022)
Background and purpose: The low tracking accuracy of lung stereotactic body radiotherapy (SBRT) risks reduced treatment efficacy. We used four-dimensional computed tomography (4DCT) images to determine the correlation between changes in fiducial mark
Externí odkaz:
https://doaj.org/article/39e15ece63294d29aab16da51393e38d
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.