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Three‐dimensional reconstruction of Kambin's triangle based on automated magnetic resonance image segmentation
Zhihai Su; Zheng Liu; Min Wang; Shaolin Li; Liyan Lin; Zhen Yuan; Shumao Pang; Qianjin Feng; Tao Chen; Hai Lu
2022-03
Source PublicationJournal of Orthopaedic Research
ISSN0736-0266
Volume2022Pages:1-10
Abstract

The three‐dimensional (3D) anatomy of Kambin's triangle is crucial for surgical planningin minimally invasive spine surgery via the transforaminal approach. Few pieces ofresearch have, however, used image segmentation to explore the 3D reconstructionof Kambin's triangle. This study aimed to develop a new method of 3D reconstruction ofKambin's triangle based on automated magnetic resonance image (MRI) segmentationof the lumbar spinal structures. An experienced (>5 years)“ground truth”spinal painphysician meticulously segmented and labeled spinal structures (e.g., bones, dura mater,discs, and nerve roots) on MRI. Subsequently, a 3D U‐Net algorithm was developed forautomatically segmenting lumbar spinal structures for the 3D reconstruction ofKambin's triangle. The Dice similarity coefficient (DSC), precision, recall, and the areaof Kambin's triangle were used to assessanatomical performance. The automaticsegmentation of all spinal structures at the L4/L5 levels and L5/S1 levels resulted ingood performance: DSC = 0.878/0.883, precision = 0.889/0.890,recall = 0.873/0.882.Furthermore, the area measurements of Kambin's triangle revealed no significantdifference between ground truth and automatic segmentation (p= 0.333 at the L4/L5level,p= 0.302 at the L5/S1 level). The 3D U‐Net model used in this study performedwell in terms of simultaneous segmentation of multi‐class spinal structures (includingbones, dura mater, discs, and nerve roots) on MRI, allowing for accurate 3Dreconstruction of Kambin's triangle.

KeywordAutomated Magnetic Resonance Image Segmentation, Kambin's Triangle, Spinal Structures,Three‐dimensional Reconstruction
Subject AreaOrthopedics
DOI25303
URLView the original
Indexed BySCIE
WOS Research AreaOrthopedics
WOS SubjectOrthopedics
Fulltext Access
Citation statistics
Document TypeJournal article
CollectionDEPARTMENT OF PUBLIC HEALTH AND MEDICINAL ADMINISTRATION
Faculty of Health Sciences
INSTITUTE OF COLLABORATIVE INNOVATION
Corresponding AuthorTao Chen; Hai Lu
Affiliation1.Faculty of Health Sciences, University of Macau
2.The Fifth Affiliated Hospital of Sun Yat-sen University
Recommended Citation
GB/T 7714
Zhihai Su,Zheng Liu,Min Wang,et al. Three‐dimensional reconstruction of Kambin's triangle based on automated magnetic resonance image segmentation[J]. Journal of Orthopaedic Research,2022,2022:1-10.
APA Zhihai Su,Zheng Liu,Min Wang,Shaolin Li,Liyan Lin,Zhen Yuan,Shumao Pang,Qianjin Feng,Tao Chen,&Hai Lu.(2022).Three‐dimensional reconstruction of Kambin's triangle based on automated magnetic resonance image segmentation.Journal of Orthopaedic Research,2022,1-10.
MLA Zhihai Su,et al."Three‐dimensional reconstruction of Kambin's triangle based on automated magnetic resonance image segmentation".Journal of Orthopaedic Research 2022(2022):1-10.
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