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在具有交换作用的多隔室系统中质子弛豫,模拟人体组织。

Proton relaxation in a multicompartmental system with exchange, simulating human tissue.

作者信息

Ericsson A, Hemmingsson A, Jung B

出版信息

Acta Radiol Diagn (Stockh). 1985 Nov-Dec;26(6):745-51. doi: 10.1177/028418518502600620.

DOI:10.1177/028418518502600620
PMID:3002133
Abstract

The proton magnetic resonance behaviour of human tissue was simulated with a numerical model in which the resonating nuclei were assumed to belong to five different compartments of defined relative sizes and with distinct relaxation properties. Effects of various proton exchange rates between the compartments were included in the model. The time evolution of longitudinal and transverse macroscopic magnetizations was calculated. Applications of this model in magnetic resonance imaging are discussed.

摘要

利用一个数值模型模拟了人体组织的质子磁共振行为,在该模型中,假定共振核属于五个具有确定相对大小且具有不同弛豫特性的不同隔室。该模型还包括了隔室之间各种质子交换率的影响。计算了纵向和横向宏观磁化强度的时间演化。讨论了该模型在磁共振成像中的应用。

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