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Mobile C-arm cone-beam CT for guidance of spine surgery: Image quality, radiation dose, and integration with interventional guidance

S. Schafer, S. Nithiananthan, D. J. Mirota, A. Uneri, J. W. Stayman, W. Zbijewski, C. Schmidgunst, G. Kleinszig, A. J. Khanna, J. H. Siewerdsen
2011 Medical Physics (Lancaster)  
Purpose: A flat-panel detector based mobile isocentric C-arm for cone-beam CT (CBCT) has been developed to allow intraoperative 3D imaging with sub-millimeter spatial resolution and soft-tissue visibility  ...  Image quality and radiation dose were evaluated in spinal surgery, commonly relying on lower-performance image intensifier based mobile C-arms.  ...  The research was supported in part by academic-industry partnership with Siemens Healthcare and by National Institutes of Health R01 Grant No.  ... 
doi:10.1118/1.3597566 pmid:21928628 pmcid:PMC3161502 fatcat:eywfdwtgp5d3foxul7fhdb7hdu

Design of a Computed Tomography Automation Architecture

Nicholas Hashem, Mitchell Pryor, Derek Haas, James Hunter
2021 Applied Sciences  
Computed tomography (CT) is a non-destructive testing (NDT) technique in that the imaging and inspection are performed without damaging the sample, allowing for additional or repeated analysis if necessary  ...  The reviewed literature is organized based on the steps associated with a general NDT task in order to define an end-to-end computed tomography automation architecture.  ...  Acknowledgments: The authors would like to thank the colleagues at Los Alamos National Laboratory for supporting this research. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/app11062858 fatcat:7zaj2ubcn5ei5p5pnovnjndgeq

Technical assessment of a mobile CT scanner for image‐guided brachytherapy

Nicole E. Chernavsky, Marc Morcos, Pengwei Wu, Akila N. Viswanathan, Jeffrey H. Siewerdsen
2019 Journal of Applied Clinical Medical Physics  
The imaging performance and dose of a mobile CT scanner (Brainlab Airo®, Munich, Germany) is evaluated, with particular consideration to assessment of technique protocols for image-guided brachytherapy  ...  The work also identified areas for future improvement, including reduction of stitching, windmill, and metal artifacts.  ...  is a mobile CT scanner for use in a variety of interventional settings, including spine surgery, external beam radiation therapy, and brachytherapy.  ... 
doi:10.1002/acm2.12738 pmid:31578811 pmcid:PMC6806478 fatcat:bxtqdiiumjekppumske2imqdqe

A Review of the Methods on Cobb Angle Measurements for Spinal Curvature

Chen Jin, Shengru Wang, Guodong Yang, En Li, Zize Liang
2022 Sensors  
With the development of computer vision and deep learning, it is possible to automatically calculate the Cobb angles by processing X-ray or CT/MR/US images.  ...  Scoliosis is a common disease of the spine and requires regular monitoring due to its progressive properties.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s22093258 fatcat:sa2mkaixofgovh7lt6ih5vyvpe

SU-FF-I-79: Java-Based Plugin for Tomographic Reconstruction for SPECT Data

M Andrade, M Costa, A Marques da Silva
2006 Medical Physics (Lancaster)  
True alignment of planning and on-board image data was achieved according to a 3D point-based registration of the 6 reference BBs in the CT and CBCT images.  ...  dose than full cone-beam CT (CBCT).  ...  planning based on cone beam CT (CBCT) using latest software on a LINAC 21IX CBCT imaging system.  ... 
doi:10.1118/1.2240759 fatcat:5we2nvgwx5hrxcv2ngufce6obq

A combined local and global motion estimation and compensation method for cardiac CT

Qiulin Tang, Beshan Chiang, Akinola Akinyemi, Alexander Zamyatin, Bibo Shi, Satoru Nakanishi, Bruce R. Whiting, Christoph Hoeschen
2014 Medical Imaging 2014: Physics of Medical Imaging  
in terms of noise-resolution tradeoff in low-dose CBCT. 9033-99, Session PSWed A sinogram based technique for image correction and removal of metal clip artifacts in cone beam breast CT cause artifacts  ...  Cone beam CT scan data of mastectomy breast specimens are used to demonstrate the feasibility in using this technique for removal of metal clip artifacts.  ...  2 cm) in tens of minutes yielding images containing millions of spectra. Spectra are then automatically classified as one of seven cell-types in prostate tissue in a matter of seconds.  ... 
doi:10.1117/12.2043492 fatcat:fyzpc5m6jbh7fjohqpdmtzkhte

CARS 2016—Computer Assisted Radiology and Surgery Proceedings of the 30th International Congress and Exhibition Heidelberg, Germany, June 21–25, 2016

2016 International Journal of Computer Assisted Radiology and Surgery  
We would like to thank the Spanish company BQ for the donation of the 3D printing hardware for clinical use.  ...  Acknowledgements This study was supported in part by grants from the Ohio Department of Development (TVSF 15-  ...  intraoperative cone-beam CT (CBCT) imaging.  ... 
doi:10.1007/s11548-016-1412-5 pmid:27206418 fatcat:uk5r46n2xvhedkfjzmeiweyneq

TU-B-I-617-01: High Field MRI - Technology, Applications, Safety, and Limitations

RJ Stafford
2005 Medical Physics (Lancaster)  
We compared these with the CT images that are corrected by commercially available metal artifact reduction method.  ...  The feasibility of 4D CT techniques based on a 3D video imaging system has been demonstrated in this work.  ...  novel technique to fully utilize the 3D anatomic information provided by cone-beam CT (CBCT) on-board imager for automated patient repositioning and quantitatively evaluate its performance by comparing  ... 
doi:10.1118/1.1999700 fatcat:yub56igoe5cl3cthdpzwrdvjp4

SU-EE-A3-06: An Efficient Algorithm for Image-Based Dose Deformation and Accumulation

M Kaus, V Pekar, T McNutt, K Bzdusek
2005 Medical Physics (Lancaster)  
We compared these with the CT images that are corrected by commercially available metal artifact reduction method.  ...  The feasibility of 4D CT techniques based on a 3D video imaging system has been demonstrated in this work.  ...  novel technique to fully utilize the 3D anatomic information provided by cone-beam CT (CBCT) on-board imager for automated patient repositioning and quantitatively evaluate its performance by comparing  ... 
doi:10.1118/1.1997464 fatcat:zue2hfmc5ze6ziwu332w3u2lue

TU-EE-A3-05: Scatter Radiation in Digital Tomosynthesis

B Liu, S Glick, X Gong
2005 Medical Physics (Lancaster)  
We compared these with the CT images that are corrected by commercially available metal artifact reduction method.  ...  The feasibility of 4D CT techniques based on a 3D video imaging system has been demonstrated in this work.  ...  novel technique to fully utilize the 3D anatomic information provided by cone-beam CT (CBCT) on-board imager for automated patient repositioning and quantitatively evaluate its performance by comparing  ... 
doi:10.1118/1.1998434 fatcat:jnqebvqstnhixdmecqmh35gfbi

ECR 2014, Part E

2014 Insights into Imaging  
Cone-beam CT: C. 3D dentomaxillofacial imaging (RC 1213), A-370 Horsthuis K. Perianal fistula disease: all you need to know: A. Perianal anatomy and imaging techniques (CC 1121), A-283 Hosten N.  ...  Treatment response assessment and disease follow-up (CC 1521), A-464 Grass M. Cone-beam CT: B.  ...  V. 3T diffusion tensor imaging (DTI) in the evaluation of periprostatic nerve bundle before and after radiation therapy (SS 507), B-0345 Zini C., Barchetti F., Forte V., Bernieri M., Panebianco V., Catalano  ... 
doi:10.1007/s13244-014-0320-x pmid:24573562 pmcid:PMC3948178 fatcat:q6upcekrrnefzkwtjup3lr2hia

Cross Platform Comparison of Imaging Technologies for Measuring Musculoskeletal Motion [chapter]

Richard M. Smith, Frances T. Sheehan
2017 Handbook of Human Motion  
in degrees) in order to simplify the reporting of cumulative accuracies from relevant articles.  ...  As such, the study of human motion is dually important in our ability to optimize human functional ability.  ...  This work was funded by the Intramural Research Program of the National Institutes of Health Clinical Center, Bethesda, MD, USA.  ... 
doi:10.1007/978-3-319-30808-1_194-1 fatcat:ogjspujmizc5zotaht62qbwacm

15. Deutscher Wirbelsäulenkongress

2020 European spine journal  
For the present study, we analyzed the efficiency of a sliding gantry CT-based (SGCT) and a mobile cone-beam CT-based (CBCT) approach for spinal instrumentation.Methods:We retrospectively analyzed all  ...  In this study, image quality of a novel FP-based 3D c-arm compared to intraoperative and fixed computed tomography (CT).  ...  Retrospective the intraoperative exposure of patients to radiation, time of surgery and blood loss have been evaluated.  ... 
doi:10.1007/s00586-020-06630-1 pmid:33078266 fatcat:2e63m5xi7zfmrjjoxffwn5pq5m

Track O. Image Computing

P. Suhail Parvaze, S. Ramakrishnan
2016 Biomedical Engineering  
Two main reconstruction techniques are used to obtain the image of a spatial MNP tracer distribution in MPI: model based and calibration based.  ...  This approach is truncate the system of equation based on the SNR of the measurement and the system matrix and approximate a solution using the same modified Kaczmarz algorithm.  ...  Acknowledgement "SFB F3209-18", "HTI:Tech for Med" (ABT08-22-T-7/2013-13), BioTechMed-Graz Acknowledgements This work was funded by the Austrian Science Fund "SFB F3209-18" and by the funds of the Oesterreichische  ... 
doi:10.1515/bmt-2016-5013 pmid:27682695 fatcat:chpj7omugjbi5pisvul6xjhz7m

ECR 2012 Book of Abstracts - E - Authors' Index

2012 Insights into Imaging  
Reduction of cochlear implant metal artifact in 1024 high-resolution CT: value of orthopedic metal artifact reduction (O-MAR) algorithm (SS 708), B-0723 Dinkel J.  ...  Patient selection using the e-ASPECTS software for automated detection of acute ischaemic stroke on a mobile stroke unit (SS 1411a), B-0972 Gschwendtner M.  ...  One-step one-phase vs. multi-step multi-phase whole-body staging CT -comparison of radiation dose and diagnostic confidence (SS 316), B-0292 Zolda P.  ... 
doi:10.1007/s13244-012-0161-4 fatcat:k6hao4fpfvf35gnj24wzqbwq44
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