Zobrazeno 1 - 10
of 1 021
pro vyhledávání: '"dynamic PET"'
Autor:
Qianyi Yang, Wenbo Li, Zhenxing Huang, Zixiang Chen, Wenjie Zhao, Yunlong Gao, Xinlan Yang, Yongfeng Yang, Hairong Zheng, Dong Liang, Jianjun Liu, Ruohua Chen, Zhanli Hu
Publikováno v:
EJNMMI Physics, Vol 11, Iss 1, Pp 1-20 (2024)
Abstract Purpose Total-body dynamic positron emission tomography (PET) imaging with total-body coverage and ultrahigh sensitivity has played an important role in accurate tracer kinetic analyses in physiology, biochemistry, and pharmacology. However,
Externí odkaz:
https://doaj.org/article/8aac35c7c6a84c8ca535d5c9a20e8658
Autor:
Neel H. Mehta, Xiuyuan Wang, Samantha A. Keil, Ke Xi, Liangdong Zhou, Kevin Lee, Wanbin Tan, Edward Spector, Amirhossein Goldan, James Kelly, Nicolas A. Karakatsanis, P. David Mozley, Sadek Nehmeh, J. Levi Chazen, Simon Morin, John Babich, Jana Ivanidze, Silky Pahlajani, Emily B. Tanzi, Leslie Saint-Louis, Tracy Butler, Kewei Chen, Henry Rusinek, Roxana O. Carare, Yi Li, Gloria C. Chiang, Mony J. de Leon
Publikováno v:
Fluids and Barriers of the CNS, Vol 21, Iss 1, Pp 1-13 (2024)
Abstract Background Reduced clearance of cerebrospinal fluid (CSF) has been suggested as a pathological feature of Alzheimer’s disease (AD). With extensive documentation in non-human mammals and contradictory human neuroimaging data it remains unkn
Externí odkaz:
https://doaj.org/article/038120f6c203440699043248097157ee
Autor:
Hamed Moradi, Rajat Vashistha, Soumen Ghosh, Kieran O’Brien, Amanda Hammond, Axel Rominger, Hasan Sari, Kuangyu Shi, Viktor Vegh, David Reutens
Publikováno v:
EJNMMI Research, Vol 14, Iss 1, Pp 1-18 (2024)
Abstract Background Accurate measurement of the arterial input function (AIF) is crucial for parametric PET studies, but the AIF is commonly derived from invasive arterial blood sampling. It is possible to use an image-derived input function (IDIF) o
Externí odkaz:
https://doaj.org/article/69761c96faf54934855d844a19edde7a
Publikováno v:
Frontiers in Oncology, Vol 14 (2024)
A 70-year-old woman underwent distal gastrectomy due to gastric adenocarcinoma in 2015. After 6 years, the follow-up CT revealed a suspicious mass in the right hilar of the lung mimicking mediastinal lymph nodes. Further dynamic PET/CT images showed
Externí odkaz:
https://doaj.org/article/339601be0dd844b69f7f2cfc343eb689
Autor:
Meiqi Wu, Chao Ren, Chenhui Mao, Liling Dong, Bo Li, Xueqian Yang, Zhenghai Huang, Haiqiong Zhang, Yuying Li, Mengshi Yan, Qi Ge, Runze Wu, Feng Feng, Mengchao Cui, Jing Gao, Li Huo
Publikováno v:
NeuroImage, Vol 298, Iss , Pp 120779- (2024)
[18F]-Florbetazine ([18F]-92) is a selective PET tracer for β-amyloid (Aβ) depositions with a novel diaryl-azine scaffold to reduce lipophilicity and to achieve higher gray-to-white matter contrast. We aimed to assess its diagnostic value in Alzhei
Externí odkaz:
https://doaj.org/article/5d31dd3711724024be285c142a7fafe2
Publikováno v:
EJNMMI Research, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract Background In parametric PET, kinetic parameters are extracted from dynamic PET images. It is not commonly used in clinical practice because of long scan times and the requirement for an arterial input function (AIF). To address these limita
Externí odkaz:
https://doaj.org/article/f174a38162b14c0cb26648edb5eef5e6
Autor:
Filippo Mori, Giancarlo Pascali, Silvia Berra, Alessandra Lazzarotti, Daniele Panetta, Silvia Rocchiccioli, Elisa Ceccherini, Francesco Norelli, Antonio Morlando, Roberta Donadelli, Alberto Clivio, Claudio Farina, Marina Noris, Piero A. Salvadori, Giuseppe Remuzzi
Publikováno v:
Frontiers in Immunology, Vol 15 (2024)
IntroductionComplement factor H (FH) is a major regulator of the complement alternative pathway, its mutations predispose to an uncontrolled activation in the kidney and on blood cells and to secondary C3 deficiency. Plasma exchange has been used to
Externí odkaz:
https://doaj.org/article/697e22c738104d68a61539936ca79547
Autor:
Ganglin Liang, Jinpeng Zhou, Zixiang Chen, Liwen Wan, Xieraili Wumener, Yarong Zhang, Dong Liang, Ying Liang, Zhanli Hu
Publikováno v:
EJNMMI Physics, Vol 10, Iss 1, Pp 1-15 (2023)
Abstract Background Dynamic positron emission tomography (PET) images are useful in clinical practice because they can be used to calculate the metabolic parameters (K i ) of tissues using graphical methods (such as Patlak plots). K i is more stable
Externí odkaz:
https://doaj.org/article/9a52ce03ae6444ac8a06f00770e040f6
Autor:
Elisabeth Kirkeby Lysvik, Lars Tore Gyland Mikalsen, Mona-Elisabeth Rootwelt-Revheim, Kyrre Eeg Emblem, Trine Hjørnevik
Publikováno v:
EJNMMI Physics, Vol 10, Iss 1, Pp 1-13 (2023)
Abstract Background Q.Clear, a Bayesian penalized likelihood reconstruction algorithm, has shown high potential in improving quantitation accuracy in PET systems. The Q.Clear algorithm controls noise during the iterative reconstruction through a β p
Externí odkaz:
https://doaj.org/article/3824f6ab07c44db997d1b4d85e9247ab
Publikováno v:
EJNMMI Physics, Vol 10, Iss 1, Pp 1-16 (2023)
Abstract Purpose Dynamic PET is an essential tool in oncology due to its ability to visualize and quantify radiotracer uptake, which has the potential to improve imaging quality. However, image noise caused by a low photon count in dynamic PET is mor
Externí odkaz:
https://doaj.org/article/3adaaa3cced64d61bad6b5b8370b10fb