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Updated: Sep 8, 2025

Cone Beam Intraoperative Computed Tomography-based Image Guidance for Minimally Invasive Transforaminal Interbody Fusion

Cone Beam Intraoperative Computed Tomography-based Image Guidance for Minimally Invasive Transforaminal Interbody Fusion

Published on: August 6, 2019

Intraoperative computed tomography imaging for laryngoplasty.

Yoshitaka Kawai¹, Masanobu Mizuta¹, Ichiro Tateya²

¹Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.

Auris, Nasus, Larynx

|June 14, 2022

Summary

Intraoperative cone beam computed tomography (CBCT) can aid laryngoplasty by visualizing critical structures. While motion artifacts can occur, CBCT shows promise for improving surgical outcomes and maximal phonation times.

Keywords:

Computerized tomography Dysphonia Laryngoplasty Voice

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Last Updated: Sep 8, 2025

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Intraoperative Ultrasound in Spinal Surgery

Intraoperative Ultrasound in Spinal Surgery

Published on: August 17, 2022

Area of Science:

Otolaryngology
Medical Imaging
Surgical Navigation

Background:

Intraoperative imaging can enhance surgical procedures.
Laryngoplasty aims to improve voice function.
Cone beam computed tomography (CBCT) offers detailed anatomical visualization.

Purpose of the Study:

To investigate the benefits and feasibility of intraoperative CBCT during laryngoplasty.
To assess the impact of CBCT on surgical visualization and patient outcomes.

Main Methods:

Retrospective review of 26 laryngoplasty cases utilizing intraoperative CBCT.
Evaluation of visual quality of glottal shape, thyroid cartilage, arytenoid cartilage, and implants.
Aerodynamic assessment and maximal phonation time (MPT) measurements.

Main Results:

CBCT provided valuable information on surgical landmarks, subglottal shape, and arytenoid cartilage rotation.
Motion artifacts affected 26.9% of cases, impacting visualization.
Motion artifact-negative cases showed high visualization rates for glottal shape (100%) and thyroid cartilage (>89%).
Arytenoid visualization was dependent on age and motion artifact presence.
Improved MPTs were observed in motion artifact-negative (8.7s) versus artifact-positive (3.4s) groups.

Conclusions:

Intraoperative CBCT demonstrates potential benefits for laryngoplasty.
High-quality CBCT imaging may contribute to improved maximal phonation times.
Further prospective studies are warranted to confirm these findings.