Laryngeal Dimensions: A Computed Tomography Study.

IF 1.1 Q3 OTORHINOLARYNGOLOGY

International Archives of Otorhinolaryngology Pub Date : 2025-10-09 eCollection Date: 2025-10-01 DOI:10.1055/s-0045-1810117

Mohammad Waheed El-Anwar, Ali Awad, Atef Hussain, Ehsan Hendawy, Mohammad A El Shawadfy, Mohamed Ibrahim Abdelzeem Heggy, Mohamed Adel Mobasher

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Abstract

Introduction: The computed tomography (CT) details of the dimensions of the larynx are not fully covered in the literature, so it is important to build up a database for the CT measurements of that area in different ethnic groups. Preoperative details provided by CT are crucial prior to any procedure or approach involving the larynx.

Objective: To measure and report the different dimensions of the larynx and vocal cords through CT.

Methods: We analyzed 100 CTs of the larynx (200 vocal cords): axial images were acquired through multiplanar reformation to obtain minute details of all subjects.

Results: The mean anteroposterior (AP) vocal fold length (VFL) was of 16.8 ± 2.6 (range: 11.8-22.9) mm, which was significantly longer in male subjects (mean = 18.4 ± 2.2 mm; range = 10.9-19.8 mm) compared to female subjects (mean = 15.3 ± 1.95 mm; range = 10.9-22.9 mm). The mean width of the subglottic area was of 14.88 ± 2.18 (range = 8.9-21.1) mm, which was significantly wider in male subjects (15.6 ± 2.13 mm; range = 9.1-21.1 mm) compared to female subjects (mean = 14.18 ± 1.99 mm; range = 8.9-17.8 mm). There was a positive correlation between the AP and transverse diameters of the subglotic area with the VFL: the longer the AP and transverse diameters of the subglottic area, the longer the VFL and vice versa.

Conclusion: The present study improves the awareness of surgeons and radiologists of the laryngeal dimensions, and it can be of help to residents in training.

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喉部尺寸：计算机断层扫描研究。

文献中对喉部CT尺寸的详细描述并不完整，因此建立一个不同民族喉部CT测量的数据库是很重要的。在任何涉及喉部的手术或入路之前，CT提供的术前细节是至关重要的。目的：通过CT测量和报告喉、声带的不同尺寸。方法：对100例喉部ct（200条声带）进行分析，通过多平面重组获得轴向图像，获得所有受试者的细微细节。结果：平均正前方（AP）声带长度（VFL）为16.8±2.6（范围：11.8 ~ 22.9）mm，男性（平均18.4±2.2 mm，范围：10.9 ~ 19.8 mm）明显长于女性（平均15.3±1.95 mm，范围：10.9 ~ 22.9 mm）。声门下区平均宽度为14.88±2.18（范围= 8.9-21.1）mm，男性（15.6±2.13 mm，范围= 9.1-21.1 mm）明显宽于女性（14.18±1.99 mm，范围= 8.9-17.8 mm）。声门下区横径和AP与VFL呈正相关，声门下区横径和AP越长，VFL越长，声门下区横径越大。结论：本研究提高了外科医师和放射科医师对喉径的认识，对住院医师的喉径培训有一定的帮助。

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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