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哺乳动物体是否会随着年龄的增长而缩? 一个磁共振成像研究研究

Satoshi Tsutsumi¹, Natsuki Sugiyama², Hideaki Ueno²

¹Department of Neurological Surgery, Juntendo University Urayasu Hospital, 2-1-1 Tomioka, Urayasu, Chiba, 279-0021, Japan. shotaro@juntendo-urayasu.jp.

Surgical and radiologic anatomy : SRA

|July 14, 2023

概括

老龄化似乎不会导致乳腺体缩. 在健康的个体中,乳腺体 (MBs) 在一生中保持稳定的结构,如MRI随着时间的推移所示.

科学领域:

神经科学是一个神经科学.
放射学放射学是一门学科.
老年学是指老年学的学科.

背景情况:

哺乳体 (MBs) 是关键的大脑结构参与记忆.
了解MBS与年龄相关的变化对于神经健康至关重要.
之前关于MB缩和衰老的研究已经产生了混合的结果.

研究的目的:

为了研究乳腺体 (MBs) 的与年龄相关的缩.
用连续磁共振成像 (MRI) 来分析MB尺寸的时间变化.
为了确定仅仅衰老是否导致MB体积损失.

主要方法:

对30名成年门诊患者的MRI扫描进行了回顾性分析,对30名成年门诊患者进行了超过100个月的随访.
在T2加权的MRI上测量双心室宽度 (BVW),第三心室宽度 (TVW) 和双乳房尺寸 (BMD).
统计分析不同年龄组和随时间变化的维度变化.

主要成果:

在MB,BVW或TVW中没有观察到与年龄相关的显著缩.
虽然TVW在80多岁的患者中显示出显著的变化,但BMD在所有年龄段和性别中保持稳定.
在整个研究期间,MBs表现出一致的左向右对称性.

结论:

仅仅衰老似乎并没有诱导哺乳动物体的显著缩.
在健康的大脑中,MBs可以在整个生命周期内作为稳定的解剖结构发挥作用.
进一步的研究可能会探索其他影响老龄化人口中MB形态的因素.

关键词:

衰老的衰老衰老的衰老缩性缩症缩性缩症磁共振成像技术磁共振成像技术哺乳动物的身体

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