CT和MRI图像中评估大前庭水管综合征的新方法：定义该综合征并寻找临床相关性
A New Methodology for Evaluation of Large Vestibular Aqueduct Syndrome in CT and MRI Images: Defining the Syndrome and Finding Clinical Correlation.
文献信息
| PMID | 42772269 |
|---|---|
| 原文 | 在 PubMed 查看原文 ↗ |
| 发表日期 | 2026 |
| 作者 | Jurgita Ivanauskaite |
| 作者单位 | Department of Otolaryngology, Head & Neck Surgery, Hannover Medical School, Hannover, Germany. |
| 期刊 | Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology |
| SCI 分区 | Q2 |
| IF | 1.9 |
| 研究类型 | 临床研究 · 临床 |
| 所属专科 | 耳科 |
中文摘要
假设： 本研究的目标是提出基于我们先前开发的CT/CBCT和MRI分析方法来定义大前庭水管（LVA）/大内淋巴囊异常（LESA）的标准，并提出听力损失临床病程的新分类。
背景： 既往研究未能提供可将听力学和影像学数据 conclusive 关联的结果。
方法： 在三级中心进行了影像学和临床数据的回顾性分析。数据集涉及173例患者（315耳），这些患者基于颞骨CT/CBCT和/或MRI被诊断为LVA/LESA。回顾性影像学分析在对照组中进行，对照组包括CT/CBCT图像：93例（100耳）听力正常患者和50例（100耳）各种听力损失患者。比较对照组和LVA组的测量结果。
结果： Logistic回归模型提示，与听力损失显著相关的变量是CT/CBCT图像获得的前庭水管（VA）长度（P<0.05）和盖直径（P<0.05），以及MRI测量的“囊体积与硬脑膜接触比”（P<0.05）。决策树模型显示，CT开口[VA开口的最大垂直宽度（最接近前庭）]（<0.075 mm）是区分对照组和LVA组的重要因素。
结论： CT开口的存在可用于骨性图像中LVA的筛查和诊断。MRI上囊与硬脑膜接触的存在可确认LESA的诊断。MRI对LVA/LESA诊断更优。前庭水管越短、越亮，“囊体积与硬脑膜接触比”越小，提示听力损失预后越差。
英文摘要
HYPOTHESIS: The goal of the research is to propose criteria to define large vestibular aqueduct (LVA)/large endolymphatic sac anomaly (LESA) using our previously developed method based on analysis of CT/CBCT and MRI, and to propose a new classification of the clinical course of hearing loss.
BACKGROUND: Previous studies did not provide results that would conclusively relate audiological and radiologic data.
METHODS: A retrospective analysis of radiologic images and clinical data was performed at a tertiary center. The dataset involved 173 patients (315 ears), who were diagnosed with LVA/LESA based on CT/CBCT and/or MRI of the temporal bone. The retrospective radiologic analysis was performed in the control groups on CT/CBCT images: 93 (100 ears) patients with normal hearing and 50 (100 ears) patients with various hearing loss. Measurements in the control and LVA groups were compared.
RESULTS: Logistic regression model suggests that variables that correlate significantly with hearing loss are length of vestibular aqueduct (VA) (P<0.05) and operculum diameter (P<0.05) obtained from CT/CBCT images, and "sac_volume_to_dura_contact ratio" (P<0.05) measured in MRI. The decision tree model showed that CT opening [maximum perpendicular width of the opening of the VA (closest to the vestibule)] (<0.075 mm) is a significant factor differentiating the control and LVA groups.
CONCLUSION: The presence of the CT opening can be used for screening and diagnosis of the LVA in bony images. The presence of contact between the sac and dura on MRI can confirm the diagnosis of LESA. MRI is superior for LVA/LESA diagnosis. The shorter and brighter the vestibular aqueduct, the smaller the "sac_volume_to_dura_contact ratio," which indicates a worse prognosis of hearing loss.