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多检测器计算机断层扫描评估正常的胸腺和随年龄变化的变化
Suprava Naik1, Aishvarya Shri1, Simran Sidhu1
1Department of Radiodiagnosis, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India.
Journal of minimal access surgery
|September 14, 2023
概括
胸腺缩小并经历脂肪的替代与年龄,显示在计算机断层扫描 (CT) 扫描不同的外观. 了解这些正常的CT变化对于将它们与胸膜异常区分开来至关重要.
科学领域:
- 放射学 放射学是一门学科.
- 免疫学 免疫学 免疫学
- 人体解剖学 解剖学 解剖学
背景情况:
- 胸腺是T细胞发育至关重要的主要淋巴体器官,在儿童中突出,随着年龄的增长而变得密.
- 胸膜形态在不同年龄段有很大差异.
- 计算机断层扫描 (CT) 是评估胸膜解剖学的关键成像方式.
研究的目的:
- 为了描述正常胆小板的计算机断层扫描 (CT) 外观.
- 分析与年龄相关的胸膜大小变化,CT衰减和脂肪透.
- 为了确定胸膜CT特征的规范性数据.
主要方法:
- 450个非对比胸部CT扫描的回顾性分析.
- 排除已知胸膜异常或潜在疾病的患者.
- 测量胸膜尺寸,CT霍恩斯菲尔德单位 (HU) 值,并评估跨年龄组的脂肪替代.
主要成果:
- 胸膜的大小随着年龄的增长而减少,在60岁以上的个体中观察到完全的脂肪替代.
- 完全取代脂肪的平均年龄是45岁.
- 非对比CT衰减 (HU值) 在婴儿中最高,并且随着年龄的增长而下降,常见的形状包括箭头和位置前动脉/准动脉.
结论:
- 在CT上正常的胸膜外观取决于年龄,并表现出相当大的变化.
- 建立规范性CT数据对于准确区分正常的胸膜内卷和病理状况至关重要.
- 这可以防止对与年龄相关的良性胸膜变化进行不必要的干预.
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