Clinical utility of intraoperative assessment for tympanomastoidectomy using an intrasurgical optical coherence tomography microscope (Conference Presentation)

Jaeyul Lee; Ruchire Eranga Wijesinghe; Deokmin Jeon; Kanghae Kim; Pilun Kim; Yun-Hoon Choung; Jeong Hun Jang; Mansik Jeon; Jeehyun Kim

doi:10.1117/12.2513177

7 March 2019 Clinical utility of intraoperative assessment for tympanomastoidectomy using an intrasurgical optical coherence tomography microscope (Conference Presentation)

Jaeyul Lee, Ruchire Eranga Wijesinghe, Deokmin Jeon, Kanghae Kim, Pilun Kim, Yun-Hoon Choung, Jeong Hun Jang, Mansik Jeon, Jeehyun Kim

Author Affiliations +

Proceedings Volume 10853, Optical Imaging, Therapeutics, and Advanced Technology in Head and Neck Surgery and Otolaryngology 2019; 1085306 (2019) https://doi.org/10.1117/12.2513177
Event: SPIE BiOS, 2019, San Francisco, California, United States

Abstract

Significant technical and optical advancements are required for intraoperative optical coherence tomography (OCT) to perform boundless surgical applications in otology, since the translation of OCT for surgical-microscope facilitates the simultaneous OCT and microscopic visualization of soft tissue structures of the surgical region with a high-resolution in real-time. Herein, we developed an augmented-reality intrasurgical OCT microscope system with an extended 280 mm working distance, which simply provides a sufficient space for the manipulation during surgeries compared to conventional techniques. Ex vivo experiments were initially performed to evaluate the enhanced system performances and secondly, the developed system was well-utilized to clinically assess the preliminary findings of tympanomastoidectomy in six patients with chronic otitis media. The OCT system evaluated the residual inflammation of region of interest in the mastoid bone and most importantly OCT was sufficiently useful for visualizing the connection between the graft and remnant tympanic membrane intraoperatively. Use of this extended-working distance OCT integrated surgical-microscope enables the surgeons to precisely define the aforementioned surgical requirements, while performing intraoperative imaging over the complete range.

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Jaeyul Lee, Ruchire Eranga Wijesinghe, Deokmin Jeon, Kanghae Kim, Pilun Kim, Yun-Hoon Choung, Jeong Hun Jang, Mansik Jeon, and Jeehyun Kim "Clinical utility of intraoperative assessment for tympanomastoidectomy using an intrasurgical optical coherence tomography microscope (Conference Presentation)", Proc. SPIE 10853, Optical Imaging, Therapeutics, and Advanced Technology in Head and Neck Surgery and Otolaryngology 2019, 1085306 (7 March 2019); https://doi.org/10.1117/12.2513177

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KEYWORDS

Optical coherence tomography

Microscopes

Surgery

Tissue optics

Visualization

Bone

Inflammation

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