Diagnostic Value of Cone-Beam Computed Tomography in Conductive or Mixed Hearing Loss with Intact Tympanic Membrane.

IF 2.6 3区医学 Q1 OTORHINOLARYNGOLOGY Journal of Otolaryngology - Head & Neck Surgery Pub Date : 2024-01-01 DOI:10.1177/19160216241272384

Wenwen Zhou, Lei Liu, Di Liu, Muliang Jiang, Guixing Chen, Anzhou Tang, Songhua Tan

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Abstract

Background: Conductive or mixed hearing loss with an intact tympanic membrane is a group of diseases characterized by similar clinical symptoms. Definitive diagnosis depends on the findings of exploratory tympanic surgery. Cone-beam computed tomography (CBCT) has great potential for middle ear imaging. This study evaluated the diagnostic value of CBCT for conductive or mixed hearing loss with an intact tympanic membrane.

Methods: CBCT and high-resolution computed tomography (HRCT) imaging data were collected from patients with an intact eardrum who received medical treatment in our hospital for conductive or mixed hearing loss from October 2020 to May 2023. The imaging characteristics and diagnostic values of CBCT and HRCT were analyzed.

Results: A total of 137 patients who met the inclusion criteria and underwent CBCT were enrolled, including 89 with otosclerosis, 41 with ossicular chain interruption, and 7 with tympanosclerosis. CBCT clearly displayed a middle ear focus, such as low-density lesions located in the fissula ante fenestram, ossicular chain malformation or dislocation, and tympanic calcification foci. The area under the curve values for otosclerosis, ossicular chain interruption, and tympanic sclerosis were 0.934, 0.967, and 0.850, respectively. CBCT was more effective than HRCT for visualizing the lenticular process, incudostapedial joint, and stapes footplate.

Conclusions: CBCT of the middle ear demonstrated higher-quality imaging to improve the diagnosis of conductive or mixed hearing loss with an intact tympanic membrane. Therefore, CBCT is recommended for further investigation of noninflammatory diseases of the middle ear with no special findings on HRCT.

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锥形束计算机断层扫描对伴有完整鼓膜的传导性或混合性听力损失的诊断价值。

背景：鼓膜完整的传导性或混合性听力损失是一组临床症状相似的疾病。明确诊断取决于鼓室探查手术的结果。锥形束计算机断层扫描（CBCT）在中耳成像方面具有巨大潜力。本研究评估了 CBCT 对鼓膜完好的传导性或混合性听力损失的诊断价值：收集2020年10月至2023年5月期间在我院接受治疗的鼓膜完好的传导性或混合性听力损失患者的CBCT和高分辨率计算机断层扫描（HRCT）成像数据。对 CBCT 和 HRCT 的成像特征和诊断价值进行了分析：符合纳入标准并接受 CBCT 检查的患者共有 137 例，其中耳硬化症患者 89 例，听骨链中断患者 41 例，鼓室硬化症患者 7 例。CBCT 清晰显示了中耳病灶，如位于前耳廓裂隙的低密度病变、听骨链畸形或脱位以及鼓室钙化灶。耳硬化症、听骨链中断和鼓室硬化的曲线下面积值分别为 0.934、0.967 和 0.850。与 HRCT 相比，CBCT 能更有效地观察耳廓突起、镫骨内侧关节和镫骨脚板：结论：CBCT 对中耳的成像质量更高，能更好地诊断鼓膜完好的传导性或混合性听力损失。因此，建议在进一步检查 HRCT 无特殊发现的中耳非炎症性疾病时使用 CBCT。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Otolaryngology - Head & Neck Surgery 医学-耳鼻喉科学

CiteScore

6.50

自引率

2.90%

发文量

审稿时长

6 weeks

期刊介绍： Journal of Otolaryngology-Head & Neck Surgery is an open access, peer-reviewed journal publishing on all aspects and sub-specialties of otolaryngology-head & neck surgery, including pediatric and geriatric otolaryngology, rhinology & anterior skull base surgery, otology/neurotology, facial plastic & reconstructive surgery, head & neck oncology, and maxillofacial rehabilitation, as well as a broad range of related topics.