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Automatic segmentation of the facial nerve and chorda tympani in pediatric CT scans
2011
Medical Physics (Lancaster)
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The goal of this work is to automatically segment the facial nerve and chorda tympani in pediatric CT scans. ...
Conclusions: The results indicate that accurate segmentation of the facial nerve and chorda tympani in pediatric scans is achievable, thus suggesting that safe drilling trajectories can also be computed ...
The content is solely the responsibility of the authors and does not necessarily represent the official views of these institutes and from the National Institute of Biomedical Imaging and Bioengineering ...
doi:10.1118/1.3634048
pmid:21992377
pmcid:PMC3208411
fatcat:7y5ckis6cnbrtjnornlnfmxgti
Minimally Invasive Image-Guided Cochlear Implantation for Pediatric Patients
2014
Otolaryngology and head and neck surgery
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For patients with normal anatomy, the mean and standard deviation of the closest distance of the trajectory to facial nerve and chorda tympani were 1.1 ± 0.3 mm and 1.2 ± 0.5 mm, respectively. ...
Three fiducial markers were bone-implanted surrounding the ear, and a CT scan was acquired. The CT scan was processed to identify the marker locations and critical structures of the temporal bone. ...
Acknowledgments The project described was supported by Award Number R01DC010184 from the National Institute on Deafness and Other Communication Disorders. ...
doi:10.1177/0194599813519050
pmid:24449796
pmcid:PMC4431770
fatcat:xczdg5javja3pnktgbapnllzhe
Comparison of Cochlear Implant Relevant Anatomy in Children Versus Adults
2012
Otology and Neurotology
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localizes and segments temporal bone anatomy (e.g., facial nerve, chorda tympani, external auditory canal [EAC], and cochlea). ...
High-resolution computed tomographic scans of 24 pediatric patients (46 ears) and 20 adult patients (40 ears) were evaluated using software consisting of a model-based segmentation algorithm that automatically ...
Automatic Segmentation of Anatomic Structures The ear canal, tympanic membrane, scala tympani, scala vestibuli, ossicles, facial nerve, chorda tympani, and the cochlea were automatically segmented in the ...
doi:10.1097/mao.0b013e318245cc9f
pmid:22377644
pmcid:PMC3321365
fatcat:afwmacor2fhzzdoexftr6kqiau
Population Statistics Approach for Safety Assessment in Robotic Cochlear Implantation
2017
Otology and Neurotology
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Based on the accuracy of a robotic system developed by the authors, the 15 effect of variation of system accuracy, precision and tunnel diameter examined with respect to the 16 potential treatable portion ...
of the population. 17 Results 18 A facial recess diameter of 2.54±0.51 mm (n=74) was determined from a review of existing literature; 19 subsequent measurements on CT data revealed a facial recess diameter ...
the drill and chorda tympani DChT and the shortest distance between the drill and the 312 facial nerve DFN. ...
doi:10.1097/mao.0000000000001357
pmid:28196000
fatcat:isbcxosqvzgzld3tez5znjirhm
Implantation of the Completely Ossified Cochlea
2013
Otology and Neurotology
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Postoperative imaging confirmed two cochlear tunnels straddling the modiolus with adequate clearance of the facial nerve and internal carotid artery. ...
Conclusions-Successful cochlear implantation in the setting of total scalar obliteration poses a significant challenge. ...
Following CT acquisition, a mastoidectomy and facial recess was performed without exposing the mastoid segment of the facial nerve or chorda tympani. ...
doi:10.1097/mao.0b013e31827d8aa0
pmid:23370556
pmcid:PMC3600086
fatcat:x7ejsn2y7zhe5ifnqeqe7pmwli
ESHNR 2019 Book of Abstracts
2019
Insights into Imaging
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It is a variation of the normal aspect of the trabecular bone in this region and pointed out as an important predictor of inferior alveolar nerve damage during third molar surgery. ...
Methods and Materials: Methods the 18 Patients were studied by head and neck MR with a diagnosis of MVS in the 2018-2019 period Results: The suspected diagnosis of MVs was based on the results of MRI or ...
The equivalent scores for CT were 50/50 (facial nerve) and 40/50 (chorda tympani) with mean
"visibility scores" of 2.88 (facial nerve) and 2.26 (chorda tympani). ...
doi:10.1186/s13244-019-0779-6
pmid:31576431
pmcid:PMC6773793
fatcat:5qig6xloqng37awn5yr7yfe4qa
Surgery of the ear and the lateral skull base: pitfalls and complications
2013
GMS Current Topics in Otorhinolaryngology
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Surgery of the ear and the lateral skull base is a fascinating, yet challenging field in otorhinolaryngology. ...
Special emphasis is laid on functional aspects, such as hearing, balance and facial nerve function. ...
facial nerve palsy, chorda tympani symptoms and inflammatory complications [143] , [144] . ...
doi:10.3205/cto000097
pmid:24403973
pmcid:PMC3884540
fatcat:j7gzcoscrzbzxg5o75crdddfyq
Radiologic anatomy of the round window relevant to cochlear implantation and inner ear drug delivery
2020
World Journal of Otorhinolaryngology-Head and Neck Surgery
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The membrane's position relative to plane of the facial nerve through facial recess was (14.7 ± 5.2)° posterior from a reference line drawn through facial recess to carotid canal. ...
To determine anatomic relationships and variation of the round window membrane to bony surgical landmarks on computed tomography. ...
When a single image did not visualize the mastoid segment of the facial nerve (FN), the RWM, and the carotid artery (CA), the CT scan data were reformatted to visualize all landmarks on one slice using ...
doi:10.1016/j.wjorl.2018.12.003
pmid:33474538
pmcid:PMC7801246
fatcat:4aumhbd67bga5jrdotl2tcczhe
Robot-assisted three-dimensional registration for cochlear implant surgery using a common-path swept-source optical coherence tomography probe
2014
Journal of Biomedical Optics
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The system is tested on a dry fixed ex vivo human temporal bone, and we demonstrate the feasibility of a 3-D OCT registration of the cochlea to accurately describe the spatial and angular profiles of the ...
canal formed by the scala tympani into the first cochlear turn. ...
Acknowledgments The work reported here was funded in part by research support from Cochlear Americas and in part by Johns Hopkins University Internal Funds. ...
doi:10.1117/1.jbo.19.5.057004
pmid:24805810
fatcat:4pnaonujlvblfh7uzuyuhswz6i
Front Matter: Volume 7962
2011
Medical Imaging 2011: Image Processing
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SPIEDigitalLibrary.org Paper Numbering: Proceedings of SPIE follow an e-First publication model, with papers published first online and then in print and on CD-ROM. ...
The last two digits indicate publication order within the volume using a Base 36 numbering system employing both numerals and letters. ...
Likar, Univ. of Ljubljana (Slovenia)
POSTER SESSION: SEGMENTATION
7962 2B
Model-based segmentation of the facial nerve and chorda tympani in pediatric CT scans
[7962-82]
F. A. Reda, J. H. ...
doi:10.1117/12.895486
fatcat:k5eaur5cq5aevpg2i2dgqrcsbu
Front Matter: Volume 6914
2008
Medical Imaging 2008: Image Processing
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SPIEDigitalLibrary.org Paper Numbering: Proceedings of SPIE follow an e-First publication model, with papers published first online and then in print and on CD-ROM. ...
The last two digits indicate publication order within the volume using a Base 36 numbering system employing both numerals and letters. ...
Fan, The Univ. of North Carolina at Charlotte (USA)
6914 0P
Automatic segmentation of the facial nerve and chorda tympani using image registration
and statistical priors [6914-24]
J. H. ...
doi:10.1117/12.798638
dblp:conf/miip/X08
fatcat:7s2ttmya4bcxjeo7gvpcik7egu
Abstract Selection
1992
Journal of Laryngology and Otology
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Selection The Journal is again pleased to thank the Editors, parent associations and publishers of the following journals for so kindly allowing a selection of their abstracts to be published in the past ...
Acta Neurologica Scandinavica (Munksgaard Development of early (I-III) and late (III-V) brainstem conduction time (BCT) in the brainstem auditory evoked responses was examined and compared in 178 appropriate-for-gestationalage ...
), tympanic nerve (four patients), and chorda tympani nerve (one patient). ...
doi:10.1017/s0022215100118687
fatcat:p2xnfjrxobhlfl75d6vdwbmirm
The role of the mastoid in middle ear pressure regulation
2016
Journal of Laryngology and Otology
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It is prudent to do a complete canal-wall-down (CWD) mastoidectomy with adequate lowering of the facial ridge and clearance of all disease covering the sinus tympani and vertical segment of the facial ...
Indeed, the sinus tympani was invaded in 73.7% of our cases and the facial recess in 89.5% of cases. ...
Conclusion Our new CT-based categorization, which was based on the presence or absence of a bony modiolus in the cochlea and the diameters of IAC and BCNC, was effective in predicting CI outcomes of children ...
doi:10.1017/s0022215116002838
fatcat:kurkpq3o7zehzm5kxqcx4c777u
Ear, Nose and Throat
[chapter]
1991
A Practical Guide to Medicine and the Law
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In the middle ear, it also supplies secretomotor fi bres to the submandibular and sublingual salivary glands, and taste fi bres to the anterior two-thirds of the tongue via the chorda tympani. ...
A high-resolution CT scan of the temporal bone reveals multiple fracture lines in most cases, and may show bony fragment impingement on the facial canal. ...
doi:10.1007/978-1-4471-1863-3_7
fatcat:v3fisvcatvhjzj5budlbhx62dq
Abstracts from the Thirty-fourth Annual Meeting of the Association for Chemoreception Sciences
2013
Chemical Senses
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Where in the brain does this modulation occur, and what are the neurochemical underpinnings of this process, remains unknown. ...
I will describe experiments that have led to the identification of aggression pheromones in this species, and insights into the chemosensory "logic" by which this innate behavior is controlled. ...
We explored HMGB-1 expression in the normal peripheral taste system and after chorda tympani nerve (CT) sectioning. ...
doi:10.1093/chemse/bjs091
pmid:23300212
fatcat:or55rqfvszfqdmmdlusi5jfrbi
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