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Automatic segmentation of intra-cochlear anatomy in post-implantation CT of unilateral cochlear implant recipients

Fitsum A. Reda, Theodore R. McRackan, Robert F. Labadie, Benoit M. Dawant, Jack H. Noble
2014 Medical Image Analysis  
In this study, we propose a method for automatic segmentation of intra-cochlear anatomy in post-implantation CT of unilateral recipients, thus eliminating the need for pre-implantation CTs in this population  ...  We have recently developed an approach for determining electrode array position relative to intra-cochlear anatomy using a pre- and a post-implantation CT.  ...  We would also like to thank the reviewers for their detailed comments and suggestions, which have helped improve the quality of this article.  ... 
doi:10.1016/ pmid:24650801 pmcid:PMC4410997 fatcat:kydrxybeufcmjd4mibr7psiplq

Evaluation of Rigid Cochlear Models for Measuring Cochlear Implant Electrode Position

Ahmet Cakir, Robert F. Labadie, M. Geraldine Zuniga, Benoit M. Dawant, Jack H. Noble
2016 Otology and Neurotology  
Objective-To investigate the accuracy of rigid cochlear models in measuring intra-cochlear positions of cochlear implant (CI) electrodes Patients-93 adults who had undergone CI and pre-and post-operative  ...  CT imaging.  ...  However, the intra-cochlear based imaging modalities have been the only option for intra-operative imaging but are difficult to interpret and to implement in the traditional clinical workflow.  ... 
doi:10.1097/mao.0000000000001245 pmid:27755453 pmcid:PMC5240585 fatcat:tt2nq2ixv5amra4cyn7ypqtvii

Transoral Robotic Surgery: Image Guidance and Augmented Reality

Philip Pratt, Asit Arora
2018 Journal for Oto-Rhino-Laryngology  
Transoral robotic surgery (TORS) is being used increasingly as an alternative to conventional open procedures, as its minimally invasive approach results in significant benefits for the patient.  ...  In terms of registration accuracy, image guidance as applied to TORS procedures is an exciting proposition, since the regions of interest (e.g., the tongue base, oropharynx) are typically adjacent to and  ...  imaging, deformable registration based on intra-operative cone beam computed tomography (CBCT), and image guidance for cochlear implantation.  ... 
doi:10.1159/000489467 pmid:29936505 fatcat:vzjzpbuylvgsvjsber6kbeugji

Two-level training of a 3D U-Net for accurate segmentation of the intra-cochlear anatomy in head CT with limited ground truth training data

Rueben Banalagay, Jianing Wang, Yiyuan Zhao, Jack H. Noble, Benoit M. Dawant, Dongqing Zhang, Bennett A. Landman, Elsa D. Angelini
2019 Medical Imaging 2019: Image Processing  
We have developed an image-guided cochlear implant programming (IGCIP) system to facilitate the process.  ...  In IGCIP, we segment the intra-cochlear anatomy and localize the electrode arrays in the patient's head CT image.  ...  In IGCIP, we use image processing algorithms to automatically segment the intra-cochlear anatomy, typically in the patient's pre-operative CT image [2] , and to localize the electrode array in the post-operative  ... 
doi:10.1117/12.2512529 pmid:31571720 pmcid:PMC6766587 fatcat:h4cocaujyzak5foxsik4ex64vy

Automatic Segmentation of Intracochlear Anatomy in Conventional CT

J. H. Noble, R. F. Labadie, O. Majdani, B. M. Dawant
2011 IEEE Transactions on Biomedical Engineering  
Cochlear implant surgery is a procedure performed to treat profound hearing loss.  ...  However, because the membrane that separates the intra-cochlear cavities is too thin to be seen in conventional in vivo imaging, traditional segmentation techniques are inadequate.  ...  The authors would like to thank Robert Rutherford for helping with initial manual delineation of the CT volumes. Noble et al.  ... 
doi:10.1109/tbme.2011.2160262 pmid:21708495 pmcid:PMC3804019 fatcat:jamtwprh3jfs3akahmxx4zdvty

Microsurgical robot for direct cochlea access

2016 Journal of Laryngology and Otology  
Methods: A complete surgical workflow for robotic assisted minimally invasive cochlear implantation, including fiducial screw insertion, pre-operative imaging, semi-automatic trajectory planning, patient-to-image  ...  Conclusion: Robot assisted ear surgery, especially cochlear implantation is both feasible and possible. Introducing such a system would decrease the time needed for implantation by half.  ...  Methods: A complete surgical workflow for robotic assisted minimally invasive cochlear implantation, including fiducial screw insertion, pre-operative imaging, semi-automatic trajectory planning, patient-to-image  ... 
doi:10.1017/s0022215116002152 fatcat:6xjd6pjvnvbdljxhswc5tq6j3m

Development of an auditory implant manipulator for minimally invasive surgical insertion of implantable hearing devices

C Stieger, M Caversaccio, A Arnold, G Zheng, J Salzmann, D Widmer, N Gerber, M Thurner, C Nauer, Y Mussard, M Kompis, L P Nolte (+2 others)
2010 Journal of Laryngology and Otology  
The work sequence for a keyhole procedure included pre-operative planning, arrangement of equipment, the procedure itself and post-operative analysis.  ...  Objective: To present the auditory implant manipulator, a navigation-controlled mechanical and electronic system which enables minimally invasive ('keyhole') transmastoid access to the tympanic cavity.  ...  Guided Intervention, Switzerland (grant number NCCR S1NF40-111383) and the companies Phonak (Stäfa, Switzerland), Cochlear (Sydney, Australia) and Bienair (Biel, Switzerland).  ... 
doi:10.1017/s0022215110002185 pmid:21078217 fatcat:njpqg2srufgv3nmsmvkgsiocea

Retrospective Evaluation of a Technique for Patient-Customized Placement of Precurved Cochlear Implant Electrode Arrays

Jianing Wang, Benoit M. Dawant, Robert F. Labadie, Jack H. Noble
2017 Otolaryngology and head and neck surgery  
Objective-Pre-curved electrode arrays (EAs) are commonly used in Cochlear Implants (CIs). Modiolar placement of such arrays has been shown to lead to better hearing outcomes.  ...  Perimodiolar positioning of electrodes was quantified using pre-and post-implantation CT scans and automated image analysis techniques. Results-Average perimodiolar distance was 0.59 ± 0.18 mm.  ...  Recently developed automated image analysis techniques permit using post-implantation CT images to detect the intracochlear position of CI electrodes relative to intra-cochlear anatomy [8] [9] [10] .  ... 
doi:10.1177/0194599817697298 pmid:28374623 pmcid:PMC5584996 fatcat:i7rcsf4sjffenmzj5o2a3rphb4

Automatic techniques for cochlear implant CT image analysis [article]

Yiyuan Zhao
2019 arXiv   pre-print
Together with the existing automatic techniques developed for IGCIP, the proposed automatic methods enable an end-to-end IGCIP process that takes pre- and post-implantation CT images as input and produces  ...  The goals of this dissertation are to fully automate the image processing techniques needed in the post-operative stage of IGCIP and to perform a thorough analysis of (a) the robustness of the automatic  ...  During the COIs generation step for those cases, due to (1) the registration errors between pre-and post-implantation CTs, (2) the localization errors for intra-cochlear anatomy segmentation, and (3) the  ... 
arXiv:1909.10922v1 fatcat:unk5tqbkkvgynhlslft75yme3m

Front Matter: Volume 10951

Baowei Fei, Cristian A. Linte
2019 Medical Imaging 2019: Image-Guided Procedures, Robotic Interventions, and Modeling  
[10951-55] vi Proc. of SPIE Vol. 10951 1095101-6 Automatic localization of the internal auditory canal for patient-specific cochlear implant modeling [10951-56] 10951 1M Using planning CTs to  ...  and control of a compact modular robot for transbronchial lung biopsy [10951-17] 10951 0J A new manual insertion tool for minimally invasive, image-guided cochlear implant surgery [10951-18] 10951  ... 
doi:10.1117/12.2531522 fatcat:6ed6gbuiarfetfqndgjmno772a

Image-guided surgery and medical robotics in the cranial area

G Widmann
2007 Biomedical Imaging and Intervention Journal  
The aim of this article is to review and discuss state-of-the-art surgical navigation and medical robotics, image-to-patient registration, aspects of accuracy, and clinical applications for surgery in  ...  The development of image-guided surgery provides new revolutionary opportunities by integrating presurgical 3D imaging and intraoperative manipulation.  ...  Cost-benefit ratio Image-guided surgery is considered to be more accurate than standard surgery.  ... 
doi:10.2349/biij.3.1.e11 pmid:21614255 pmcid:PMC3097655 fatcat:uxivoyilwfdilhurrb3dawq4jm

Image-Guidance Enables New Methods for Customizing Cochlear Implant Stimulation Strategies

Jack H. Noble, Robert F. Labadie, Renea H. Gifford, Benoit M. Dawant
2013 IEEE transactions on neural systems and rehabilitation engineering  
Over the last 20 years, cochlear implants (CIs) have become what is arguably the most successful neural prosthesis to date.  ...  In this article, we present image processing techniques that can be used to detect, for the first time, the positions of implanted CI electrodes and the nerves they stimulate for individual CI users.  ...  The authors would like to acknowledge Andrea Hedley-Williams, AuD., for assisting with data acquisition, Mary S. Dietrich, Ph.D., for advice on statistical analysis, and Anthony J.  ... 
doi:10.1109/tnsre.2013.2253333 pmid:23529109 pmcid:PMC3769452 fatcat:jjh5yemmunb2zaenelimmneusa

Evolution and Stagnation of Image Guidance for Surgery in the Lateral Skull: A Systematic Review 1989–2020

Daniel Schneider, Jan Hermann, Fabian Mueller, Gabriela O'Toole Bom Braga, Lukas Anschuetz, Marco Caversaccio, Lutz Nolte, Stefan Weber, Thomas Klenzner
2021 Frontiers in Surgery  
The aim of this review is to identify challenges that need to be solved in order to provide image guidance solutions that are safe and beneficial for use during lateral skull surgery and to synthesize  ...  Objective: Despite three decades of pre-clinical and clinical research into image guidance solutions as a more accurate and less invasive alternative for instrument and anatomy localization, translation  ...  to non-image-guided surgery.  ... 
doi:10.3389/fsurg.2020.604362 pmid:33505986 pmcid:PMC7831154 fatcat:cp5aabr6bbhfbhp53mris2yh7y

Front Matter: Volume 10576

Robert J. Webster, Baowei Fei
2018 Medical Imaging 2018: Image-Guided Procedures, Robotic Interventions, and Modeling  
stereotactic neurosurgery through fully convolutional network [10576-64] 10576 24 Pre-to post-operative CT image registration to estimate cortical shift for image updating in deep brain stimulation  ...  definition of surgical trajectories and acceptance window in pelvic trauma surgery using deformable registration [10576-50] 10576 1O Intra-operative 360° 3D transvaginal ultrasound guidance during  ... 
doi:10.1117/12.2323924 fatcat:hva4ny4ftbe2voqifpbt5wewky

Applications of Augmented Reality in the Operating Room [chapter]

Ziv Yaniv, Cristian Linte
2015 Fundamentals of Wearable Computers and Augmented Reality, Second Edition  
Pre-operative information was obtained from CT, and rigid registration was used to align this information to the intra-operative setting.  ...  The intra-operative surface is rigidly registered to a pre-operative surface extracted from CT.  ... 
doi:10.1201/b18703-23 fatcat:iqpekdnzsjavrcpjtbkioycnwe
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