区分和特征的非thymomatous眼球肌痛神经衰弱的儿童CTCT
Youran Cai1, Zhongyuan Cheng2, Yuanting Yang1
1Department of Ophthalmology, the First Affiliated Hospital of Jinan University, Guangzhou, China.
Acta neurologica Belgica
|October 30, 2024
概括
没有增强的CT扫描可以区分患有非胸膜性眼球肌痛性肌痛症 (OMG) 的儿童与健康的同龄人. 特定的胸膜CT特征及其切线值有助于这种区分.
科学领域:
- 放射学 放射学是一门学科.
- 儿科成像学 儿科成像学
- 神经肌肉疾病 神经肌肉疾病
背景情况:
- 儿童眼部肌痛性肌痛症 (OMG) 的诊断可能具有挑战性.
- 胸膜异常与骨髓灰质炎有关,但区分非胸膜瘤的OMG需要特定的成像特征.
- 非增强型计算机断层扫描 (CT) 提供了一种非侵入性方法来评估胸膜形态.
研究的目的:
- 为了在没有增强的CT中比较非胸膜性OMG和健康对照的儿童之间的胸膜特征.
- 为了确定最佳的CT图像特征切断值来区分这两个儿科群体.
主要方法:
- 对66名儿童的胸部CT扫描进行了回顾性分析 (33名患有非胸腺瘤的OMG,33名健康对照).
- 胸膜特征的定量评估:平均CT衰减,面积,面积比,前后背长度,宽度,厚度和横径 (TD).
- 接收器操作特征 (ROC) 分析,以确定显著的差异化特征和最佳切断值.
主要成果:
- 在OMG和对照组之间观察到平均CT衰减,胸腺面积,面积比率和TD的显著差异 (P<0.05).
- 平均CT衰减是最显著的差异化因素 (AUC=0.70).
- 平均CT衰减的截止值为50.41,产生了82%的灵敏度和70%的特异性. 结合包括CT衰减,胸腺区域和TD在内的特征,改善了分化 (AUC=0.72).
结论:
- 胸腺的未增强CT是一个有价值的工具,补充了儿科非胸腺性OMG的临床评估.
- 确定的CT特征切线值使得OMG儿童和健康儿童之间能够有力的区分.
相关概念视频
01:15Myasthenia Gravis: Diagnostic Tests
673
Myasthenia gravis is an autoimmune condition affecting neuromuscular transmission, causing generalized weakness in skeletal muscles. Initial diagnoses rely on patients' signs, symptoms, and medical history. The challenge lies in distinguishing myasthenia from other muscular dystrophies. An important diagnostic feature is the significant improvement of symptoms after administering anticholinesterase inhibitors.
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...
673
01:20Myasthenia Gravis: Overview and Treatment
1.2K
Myasthenia gravis is a neuromuscular transmission disorder characterized by weakness and increased fatigability of skeletal muscles. It is an autoimmune disease affecting approximately one in 2000 people, where antibodies against the α1 subunit of nicotinic acetylcholine receptors are produced.
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
1.2K
01:10Computed Tomography
4.3K
Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
4.3K