MRI advances on structural and functional changes in limbic system with premenstrual syndrome

Shan-Shan Li , Gao-Xiong Duan , De-Mao Deng
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Abstract

Premenstrual Syndrome (PMS) is a unique emotional disorder in women, characterized by a series of cyclical physical, emotional, behavioral, and cognitive symptoms that occur during the luteal phase of the menstrual cycle, often accompanied by significant functional impairment. Premenstrual Dysphoric Disorder (PMDD) is a severe form of PMS and is classified as a subtype of depressive disorders in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5). Neuroimaging studies have revealed structural and functional abnormalities in the limbic system of PMS/PMDD patients, particularly in areas such as the amygdala, hypothalamus, and hippocampus, which are closely related to clinical symptoms. These abnormalities may represent one of the central nervous mechanisms underlying PMS/PMDD. This review focuses on the structural and functional changes in the limbic system of PMS/PMDD patients as revealed by MRI, and summarizes the relevant research progress.
经前期综合征边缘系统结构和功能改变的MRI研究进展
经前综合征(PMS)是一种独特的女性情绪障碍,其特征是在月经周期的黄体期出现一系列周期性的身体、情绪、行为和认知症状,通常伴有严重的功能障碍。经前焦虑症(PMDD)是经前综合症的一种严重形式,在第五版《精神疾病诊断与统计手册》(DSM-5)中被归类为抑郁症的一个亚型。神经影像学研究发现PMS/PMDD患者的边缘系统存在结构和功能异常,特别是杏仁核、下丘脑和海马等区域,这些区域与临床症状密切相关。这些异常可能是经前症候群/经前不悦症的中枢神经机制之一。本文就经前症候群/经前抑郁患者MRI所显示的边缘系统结构和功能变化进行综述,并对相关研究进展进行总结。
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