Anatomical variations of sphenoid sinus on cone beam computed tomography

IF 0.9 Q3 OTORHINOLARYNGOLOGY

Acta otorrinolaringologica espanola Pub Date : 2025-07-01 DOI:10.1016/j.otorri.2025.512229

Patrícia Fernandes Lopes , Tatiana Carvalho , Miguel Furtado

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引用次数: 0

Abstract

Introduction

The surgical approach to the sphenoid sinus (SS) is one of the most challenging aspects of endoscopic surgery due to its proximity to critical structures. To minimize risks, computed tomography (CT) aids in navigational guidance. Although cone beam computed tomography (CBCT) has lower contrast resolution, it offers improved precision, reduced radiation exposure, and faster imaging, making it a viability as a preoperative tool.

Methods

We randomly selected 75 patients from 707 who underwent CBCT between January and December 2023. Two observers evaluated SS anatomy with consensus. Statistical analyses were conducted using Excel® and Jamovi®.

Results

Anatomical variations were documented, with prevalence rates as follows: sphenoethmoidal cell (15%); optic nerve (ON) protrusion (21%) and dehiscence (4%); internal carotid artery (ICA) protrusion (31%) and dehiscence (0%); vidian canal (VC) protrusion (39%) and dehiscence (6%); foramen rotundum (FR) protrusion (23%) and dehiscence (5%); anterior clinoid process (ACP) pneumatization (20%); pterygoid process (PP) pneumatization (33%); conchal (1%), presellar (7%), sellar (36%) and postsellar type (56%) SS; and intersphenoidal septum (47%). Statistically significant correlations were observed between ACP pneumatization and ON protrusion (p < 0.001) and dehiscence (p = 0.018), and ICA protrusion (p = 0.001). PP pneumatization was significantly correlated with VC protrusion (p < 0.001) and dehiscence (p = 0.011), and foramen rotundum protrusion (p < 0.001).

Discussion/Conclusion

Our CBCT findings largely aligned with CT data in existing literature. Due to its faster acquisition and lower radiation exposure, CBCT shows potential as a preoperative evaluation method for assessing the SS.

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锥束计算机体层摄影在蝶窦解剖上的变化

蝶窦（SS）的手术入路是内镜手术中最具挑战性的方面之一，因为它靠近关键结构。为了降低风险，计算机断层扫描（CT）有助于导航。尽管锥形束计算机断层扫描（CBCT）的对比度分辨率较低，但它提供了更高的精度、更少的辐射暴露和更快的成像，使其成为一种可行的术前工具。方法从2023年1月至12月期间接受CBCT检查的707例患者中随机选择75例。两名观察员一致评价SS解剖。采用Excel®和Jamovi®进行统计分析。结果在解剖学上存在差异，患病率如下：蝶筛细胞（15%）；视神经（ON）突出（21%）和裂裂（4%）；颈内动脉（ICA）突出（31%）和开裂（0%）；viddian canal （VC）突出（39%）和开裂（6%）；圆孔（FR）突出（23%）和开裂（5%）；前斜突（ACP）通气（20%）；翼状突（PP）气化（33%）；鼻窦型（1%）、鞍前型（7%）、鞍前型（36%）和鞍后型（56%）；蝶窦间隔（47%）。ACP气化与ON突出有统计学意义(p <；裂隙（p = 0.018）， ICA突出（p = 0.001）。PP通气与VC突出显著相关(p <；0.001)、裂孔突出（p = 0.011）、圆孔突出(p <；0.001)。讨论/结论：我们的CBCT结果与现有文献中的CT数据基本一致。由于其采集速度快，辐射暴露低，CBCT有潜力作为术前评估SS的方法。

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

Acta otorrinolaringologica espanola OTORHINOLARYNGOLOGY-

CiteScore

1.40

自引率

20.00%

发文量

审稿时长

44 days

期刊介绍： Es la revista más importante en español dedicada a la especialidad. Ofrece progresos científicos y técnicos tanto a nivel de originales como de casos clínicos. Además, es la Publicación Oficial de la Sociedad Española de Otorrinolaringología y Patología Cérvico-Facial y está presente en los más prestigiosos índices de referencia.