Zobrazeno 1 - 10
of 3 368
pro vyhledávání: '"quantitative susceptibility mapping"'
Publikováno v:
iRADIOLOGY, Vol 2, Iss 4, Pp 387-395 (2024)
Abstract Quantitative susceptibility mapping (QSM) is an advanced post‐processing technique in magnetic resonance imaging that offers precise measurements of tissue magnetic susceptibility with impressive spatial resolution and sensitivity. This re
Externí odkaz:
https://doaj.org/article/a28a2450eece40dabd5f0b50dc59dd7f
Autor:
Yuqi Zhi, Ting Huang, Shanwen Liu, Meng Li, Hua Hu, Xiaoyun Liang, Zhen Jiang, Jiangtao Zhu, Rong Liu
Publikováno v:
Frontiers in Aging Neuroscience, Vol 16 (2024)
BackgroundAlzheimer’s disease (AD) is a complex neurodegenerative disorder characterized by progressively worsening cognitive decline and memory loss. Excessive iron accumulation produces severe cognitive impairment. However, there are no uniform c
Externí odkaz:
https://doaj.org/article/30d94f246f5d49d683b48213ac0a2b9b
Autor:
Sung-Pin Fan, Ya-Fang Chen, Cheng-Hsuan Li, Yih-Chih Kuo, Ni-Chung Lee, Yin-Hsiu Chien, Wuh-Liang Hwu, Tai-Chung Tseng, Tung-Hung Su, Chien-Ting Hsu, Huey-Ling Chen, Chin-Hsien Lin, Yen-Hsuan Ni
Publikováno v:
NeuroImage, Vol 299, Iss , Pp 120829- (2024)
Background: Quantitative susceptibility mapping (QSM) is a post-processing technique that creates brain susceptibility maps reflecting metal burden through tissue magnetic susceptibility. We assessed topographic differences in magnetic susceptibility
Externí odkaz:
https://doaj.org/article/4dcb77ccfada4d6cb177102bd3205fc3
Publikováno v:
Frontiers in Aging Neuroscience, Vol 16 (2024)
Background and aimsThis study aimed to investigate the effect of iron overload on acetylcholinesterase activity in the frontal lobe tissue of rats with minimal hepatic encephalopathy (MHE) and its relation to cognitive ability. By elucidating the pot
Externí odkaz:
https://doaj.org/article/a2ba00c6f22f47c198c184789950d6ed
Autor:
Thomas Williams, Nevin John, Alberto Calvi, Alessia Bianchi, Floriana De Angelis, Anisha Doshi, Sarah Wright, Madiha Shatila, Marios C. Yiannakas, Fatima Chowdhury, Jon Stutters, Antonio Ricciardi, Ferran Prados, David MacManus, Francesco Grussu, Anita Karsa, Becky Samson, Marco Battiston, Claudia A.M. Gandini Wheeler-Kingshott, Karin Shmueli, Olga Ciccarelli, Frederik Barkhof, Jeremy Chataway, Wallace Brownlee, Claudia AM. Gandini Wheeler-Kingshott, Jonathan Stutters, Ferran Prados Carrasco, Marios Yiannakas, Megan Wynne, Marie Braisher, James Blackstone, Leanne Hockey, Josephine Parker, Jennifer Flight, Chris Frost, Jennifer Nicholas, Stuart Nixon, Judy Beveridge
Publikováno v:
Neuroimage: Reports, Vol 4, Iss 3, Pp 100216- (2024)
Background: Deep grey matter pathology is a key driver of disability worsening in people with multiple sclerosis. Quantitative susceptibility mapping (QSM) is an advanced magnetic resonance imaging (MRI) technique which quantifies local magnetic susc
Externí odkaz:
https://doaj.org/article/a5f0c83cc2dc4adf9dbc117e4d8f1ca0
Autor:
Yawen Sun, Wentao Hu, Ying Hu, Yage Qiu, Yuewei Chen, Qun Xu, Hongjiang Wei, Yongming Dai, Yan Zhou
Publikováno v:
NeuroImage, Vol 298, Iss , Pp 120790- (2024)
Brain microstructural alterations possibly occur in the normal-appearing white matter (NAWM) and grey matter of small vessel disease (SVD) patients, and may contribute to cognitive impairment. The aim of this study was to explore cognitive related mi
Externí odkaz:
https://doaj.org/article/a8b55d161b594e94bacf12f80beebc56
Autor:
Su Yan, Jun Lu, Bingfang Duan, Hongquan Zhu, Dong Liu, Li Li, Yuanyuan Qin, Yuanhao Li, Wenzhen Zhu
Publikováno v:
Neurobiology of Disease, Vol 198, Iss , Pp 106549- (2024)
Background: Multiple system atrophy (MSA) and Parkinson's disease (PD) are neurodegenerative disorders characterized by α-synuclein pathology, disrupted iron homeostasis and impaired neurochemical transmission. Considering the critical role of iron
Externí odkaz:
https://doaj.org/article/fdee4423c7f044cbae42c59ba9e3ff9e
Publikováno v:
NeuroImage, Vol 297, Iss , Pp 120697- (2024)
Quantitative susceptibility mapping (QSM) is a rising MRI-based technology and quite a few QSM-related algorithms have been proposed to reconstruct maps of tissue susceptibility distribution from phase images. In this paper, we develop a comprehensiv
Externí odkaz:
https://doaj.org/article/0e3d018ace75403e9a38fbc5c9975d62
Publikováno v:
NeuroImage, Vol 296, Iss , Pp 120676- (2024)
To separate the contributions of paramagnetic and diamagnetic sources within a voxel, a magnetic susceptibility source separation method based solely on gradient-echo data has been developed. To measure the opposing susceptibility sources more accura
Externí odkaz:
https://doaj.org/article/074b58d81e994110a02a0aec22b0c222
Publikováno v:
Iranian Journal of Medical Physics, Vol 21, Iss 1, Pp 45-52 (2024)
Introduction: Iron deposition is vital for damaging neurons and causing different cognitive disorders. Today, using the quantitative susceptibility mapping (QSM) technique, iron deposits in other brain areas can be assessed and measured. This study a
Externí odkaz:
https://doaj.org/article/4ef586525ec6487eac71f72622db9ba7