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Use of ultra-high-resolution data for temporal bone dissection simulation.

Identifieur interne : 001877 ( PubMed/Corpus ); précédent : 001876; suivant : 001878

Use of ultra-high-resolution data for temporal bone dissection simulation.

Auteurs : Gregory J. Wiet ; Petra Schmalbrock ; Kimerly Powell ; Don Stredney

Source :

RBID : pubmed:16360513

English descriptors

Abstract

For the past 5 years, our group has been developing a virtual temporal bone dissection environment for training otologic surgeons. Throughout the course of our development, a recurring challenge is the acquisition of high-resolution, multimodal, and multi-scale data sets that are used for the visual as well as haptic (sense of touch) display. This study presents several new techniques in temporal bone imaging and their use as data for surgical simulation.

DOI: 10.1016/j.otohns.2005.05.655
PubMed: 16360513

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pubmed:16360513

Le document en format XML

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<name sortKey="Wiet, Gregory J" sort="Wiet, Gregory J" uniqKey="Wiet G" first="Gregory J" last="Wiet">Gregory J. Wiet</name>
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<nlm:affiliation>Department of Otolaryngology, Children's Hospital, Columbus, Ohio 43205, USA. gwiet@chi.osu.edu</nlm:affiliation>
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<name sortKey="Schmalbrock, Petra" sort="Schmalbrock, Petra" uniqKey="Schmalbrock P" first="Petra" last="Schmalbrock">Petra Schmalbrock</name>
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<name sortKey="Powell, Kimerly" sort="Powell, Kimerly" uniqKey="Powell K" first="Kimerly" last="Powell">Kimerly Powell</name>
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<name sortKey="Stredney, Don" sort="Stredney, Don" uniqKey="Stredney D" first="Don" last="Stredney">Don Stredney</name>
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<term>Cadaver</term>
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<term>Dissection (methods)</term>
<term>Humans</term>
<term>Image Processing, Computer-Assisted (methods)</term>
<term>In Vitro Techniques</term>
<term>Magnetic Resonance Imaging (methods)</term>
<term>Models, Anatomic</term>
<term>Otologic Surgical Procedures (education)</term>
<term>Otologic Surgical Procedures (methods)</term>
<term>Reproducibility of Results</term>
<term>Temporal Bone (anatomy & histology)</term>
<term>Temporal Bone (surgery)</term>
<term>Tomography, X-Ray Computed (methods)</term>
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<term>Temporal Bone</term>
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<term>Otologic Surgical Procedures</term>
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<term>Dissection</term>
<term>Image Processing, Computer-Assisted</term>
<term>Magnetic Resonance Imaging</term>
<term>Otologic Surgical Procedures</term>
<term>Tomography, X-Ray Computed</term>
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<term>Temporal Bone</term>
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<term>Cadaver</term>
<term>Computer Simulation</term>
<term>Humans</term>
<term>In Vitro Techniques</term>
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<div type="abstract" xml:lang="en">For the past 5 years, our group has been developing a virtual temporal bone dissection environment for training otologic surgeons. Throughout the course of our development, a recurring challenge is the acquisition of high-resolution, multimodal, and multi-scale data sets that are used for the visual as well as haptic (sense of touch) display. This study presents several new techniques in temporal bone imaging and their use as data for surgical simulation.</div>
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<AbstractText Label="OBJECTIVES" NlmCategory="OBJECTIVE">For the past 5 years, our group has been developing a virtual temporal bone dissection environment for training otologic surgeons. Throughout the course of our development, a recurring challenge is the acquisition of high-resolution, multimodal, and multi-scale data sets that are used for the visual as well as haptic (sense of touch) display. This study presents several new techniques in temporal bone imaging and their use as data for surgical simulation.</AbstractText>
<AbstractText Label="METHODS" NlmCategory="METHODS">At our institution (OSU), we are fortunate to have a high-field (8 Tesla) magnetic resonance imaging (MRI) research magnet that provides an order of magnitude higher resolution compared to clinical 1.5T MRI scanners. Magnetic resonance imaging has traditionally been superb at delineating soft tissue structure, and certainly, the 8T unit does indeed do this at a resolution of 100-200 microm(3). To delineate the bony structure of the mastoid and middle ear, computed tomography (CT) has traditionally been used because of the high signal-to-noise ratio delineating bone signal from air and soft tissue. We have partnered with researchers at other institutions (CCF) to make use of a "microCT" that provides a resolution of 214 x 214 x 390 micrometers of bony structure.</AbstractText>
<AbstractText Label="RESULTS" NlmCategory="RESULTS">This report provides a description of the 2 methodologies and presentation of the striking image data capable of being generated. See images presented.</AbstractText>
<AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">Using these 2 new and innovative imaging modalities, we provide an order of magnitude greater resolution to the visual and haptic display in our temporal bone dissection simulation environment.</AbstractText>
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