2018 CSO General Scientific Program

“3D Reconstruction and Intraoperative Validation of CT-MRI Fusion for Cholesteatoma Imaging”

Kylen Van Osch, Horace Cheng, Hanif Ladak, Sumit Agrawal


Objectives:  This study investigated the feasibility of using open-source software to create CT-MRI fusions, and compared this against commercial software.  Further, through the use of three-dimensional (3D) models and intraoperative video, this study aimed to validate CT-MRI fusion with intraoperative anatomy.

Methods:  A free image processing software, 3D Slicer, was utilized to generate CT-MRI fusion images, as well as 3D models of intratemporal anatomy.  The 3D models were compared to intraoperative video to assess the validity of using CT-MRI fusions for cholesteatoma imaging.

Results:  Preliminary results show good agreement between intraoperative video and three-dimensional models, as well as good agreement between open-source and commercial software.

Conclusions:  This is the first known study to use 3D models and intraoperative video to validate CT-MRI fusion for cholesteatoma imaging.  This work also aimed to assess an accessible imaging processing modality for the goal of improving surgical planning and post-operative surveillance of cholesteatomas.

Learning Objectives

After attending this presentation, conference attendees will be able to:

  1. Understand the advantages and limitations of various imaging modalities for cholesteatoma imaging.
  2. Recognize the practicality of using open-source software to generate CT-MRI fusions.
  3. Discuss the use of CT-MRI fusions for surgical planning and post-operative surveillance of cholesteatomas.

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Scheduling Details

This 7 minute presentation is scheduled to take place on June 4, 2019 at 11:07 in the Salon 8.

Authors' Contact Details

Corresponding Author: Ms. Kylen Van Osch

Senior Author: Dr. Hanif Ladak

The corresponding author of this presentation has not yet consented to having their email address published online.