T1rho MRI in brain aging, lumbar disc degeneration, and liver fibrosis: clinical and experimental studies.
T1rho弛豫是旋轉坐標系中的自旋晶格弛豫,它決定橫向磁化向量在存有自旋鎖定射頻脈衝情況下的衰減,自旋鎖定脈衝與橫向磁化向量同向。T1rho磁共振成像對於低頻運動過程敏感,故可研究水與其周大分子物質環境間的交互作用,有鑒別組織內早期生化改變的潛力。 === 衰老與慢性高血壓是常見腦退行性疾病的兩個主要危險因素。但是正常腦衰老過程及慢性高血壓兩個因素與腦組織T1rho是否有相關性,尚缺乏研究。序貫性測量SD老鼠自5至15月齡、WKY(血壓正常)和SHR(患有自發性高血壓)老鼠自6至12月齡的雙側丘腦、海馬、和皮質的腦組織T1rho值。發現三組老鼠的丘腦、海馬及皮質的T1rho均隨年齡增長而增高;...
Other Authors: | Zhao, Feng |
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Format: | Others |
Language: | English Chinese |
Published: |
2013
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Subjects: | |
Online Access: | http://library.cuhk.edu.hk/record=b5549818 http://repository.lib.cuhk.edu.hk/en/item/cuhk-328717 |
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