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Factors influencing spinal curvature measurements on ultrasound images for children with adolescent idiopathic scoliosis (AIS)

Rui Zheng, Doug Hill, Douglas Hedden, James Mahood, Marc Moreau, Sarah Southon, Edmond Lou, Robert Daniel Blank
2018 PLoS ONE  
A pilot clinical study using the COL method Factors affect ultrasound measurements for AIS PLOS ONE | https://doi.  ...  Another in-vitro study was performed by Ungi et al. [10] . The transverse processes on the US images were used as vertebral landmarks to estimate the spinal curvatures.  ...  Fig 3A shows the US coronal image and Fig 3B shows the transverse image from a patient with a maximum AVR of 16˚.  ... 
doi:10.1371/journal.pone.0198792 pmid:29912905 pmcid:PMC6005491 fatcat:unqh5jmdnvczhm4462xe2fxcnu

Extraction automatique de repères vertébraux à partir d'échographies

Arnaud Brignol, Farida Cheriet, Catherine Laporte
2021 M S.Médecine Sciences  
Cependant, l'interprétation des échographies de vertèbres est souvent difficile en raison de la qualité variable des images.  ...  En réponse à ce défi, nous présentons une méthode pour localiser automatiquement les vertèbres sur les échographies.  ...  Automatic extraction of vertebral landmarks from ultrasound images: A pilot study. Comput Biol Med 2020 ; 122 : 103838. 11. Cleary K.  ... 
doi:10.1051/medsci/2021186 pmid:34878389 fatcat:dchggxr2sjh7pbecmcpyfollnm

Front Matter: Volume 10134

2017 Medical Imaging 2017: Computer-Aided Diagnosis  
A unique citation identifier (CID) number is assigned to each article at the time of publication.  ...  using a Base 36 numbering system employing both numerals and letters.  ...  Data from the Osteoarthritis Initiative [10134-147] 10134 46 Automatic lumbar spine measurement in CT images [10134-148] 10134 47 Automatic vertebral bodies detection of x-ray images using invariant multiscale  ... 
doi:10.1117/12.2277119 dblp:conf/micad/X17 fatcat:ika7pheqxngdxejyvkss4dkbv4

A reliability and validity study for Scolioscan: a radiation-free scoliosis assessment system using 3D ultrasound imaging

Yong-Ping Zheng, Timothy Tin-Yan Lee, Kelly Ka-Lee Lai, Benjamin Hon-Kei Yip, Guang-Quan Zhou, Wei-Wei Jiang, James Chung-Wai Cheung, Man-Sang Wong, Bobby King-Wah Ng, Jack Chun-Yiu Cheng, Tsz-Ping Lam
2016 Scoliosis and Spinal Disorders  
Scolioscan is a newly developed system targeted for scoliosis assessment in clinics by using coronal images of spine generated by a 3D ultrasound volume projection imaging method.  ...  curves from those images; 2) Correlation between the Cobb angle obtained from radiography by a medical doctor and the spine curve angle obtained using Scolioscan (Scolioscan angle).  ...  The authors would also like to thank the generous technical supports from staff of Telefield Medical Imaging Limited for this study, and Ms. Sally Ding for her help in editing the manuscript.  ... 
doi:10.1186/s13013-016-0074-y pmid:27299162 pmcid:PMC4900244 fatcat:xxeton4htzehjf7uupo7ewdia4

Comparison Between Echo Contrast Agent-Specific Imaging Modes and Perfusion-Weighted Magnetic Resonance Imaging for the Assessment of Brain Perfusion

S. H. Meves, W. Wilkening, T. Thies, J. Eyding, T. Holscher, M. Finger, G. Schmid, H. Ermert, T. Postert
2002 Stroke  
and Purpose-Contrast burst imaging (CBI) and time variance imaging (TVI) are new ultrasonic imaging modes enabling the visualization of intravenously injected echo contrast agents in brain parenchyma.  ...  The aim of this study was to compare the quantitative ultrasonic data with corresponding perfusion-weighted MRI data (p-MRI) with respect to the assessment of brain perfusion.  ...  Acknowledgments This study was done for KMR (Kompetenzzentrum Medizintechnik Ruhr) and supported by FoRUM (Forschungszentrum der Ruhr-Universität Medizinische Fakultät).  ... 
doi:10.1161/01.str.0000032246.85531.8e pmid:12364734 fatcat:zxsx63huhjhhlhkiwpaac7waim

Track O. Image Computing

P. Suhail Parvaze, S. Ramakrishnan
2016 Biomedical Engineering  
The mean entropy, area and perimeter of the brainstems extracted from AD MR images were 8.8%, 8.3% and 9.6% lower than brainstems extracted from non-AD MR images, respectively.  ...  It appears that the features can be extracted from the segmented images for the classification of the staining patterns.  ...  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

Tracked Ultrasound in Navigated Spine Interventions [chapter]

Tamas Ungi, Andras Lasso, Gabor Fichtinger
2014 Lecture Notes in Computational Vision and Biomechanics  
But ultrasound imaging has a steep learning curve, and requires significant coordination skills from the operator.  ...  Position tracking technology is a promising augmentation method to ultrasound imaging.  ...  Success rate and insertion time improved significantly in a pilot study (Table 2) .  ... 
doi:10.1007/978-3-319-12508-4_15 fatcat:uzgt4n7fmzcpxjdthieneqgrlq

Robust registration for computer-integrated orthopedic surgery: Laboratory validation and clinical experience

B. Ma, R.E. Ellis
2003 Medical Image Analysis  
To find an initial estimate, the user digitizes points from predefined regions of bone that are large enough to reliably locate even in the absence of anatomic landmarks.  ...  In order to provide navigational guidance during computer-integrated orthopedic surgery, the anatomy of the patient must first be registered to a medical image or model.  ...  Fig. 8 . 8 A preoperative plan, and postoperative fluoroscopic images, for and the plate / fragment assembly was progressively disthe second patient in the pilot clinical study.  ... 
doi:10.1016/s1361-8415(02)00133-0 pmid:12946466 fatcat:qb32qyuxw5bztgsskgs2g3gnli

A Systematic Collection of Medical Image Datasets for Deep Learning [article]

Johann Li, Guangming Zhu, Cong Hua, Mingtao Feng, BasheerBennamoun, Ping Li, Xiaoyuan Lu, Juan Song, Peiyi Shen, Xu Xu, Lin Mei, Liang Zhang (+2 others)
2021 arXiv   pre-print
The lack of data in the medical imaging field creates a bottleneck for the application of deep learning to medical image analysis.  ...  Thus, as comprehensive as possible, this paper provides a collection of medical image datasets with their associated challenges for deep learning research.  ...  Key R&D Program of China under Grant No 2019YFB1311600.  ... 
arXiv:2106.12864v1 fatcat:bjzkgce2xvaexmb6cdznws7fye

A software program to measure the three-dimensional length of the spine from radiographic images: Validation and reliability assessment for adolescent idiopathic scoliosis

Steve Berger, Carol-Claudius Hasler, Caroline A. Grant, Guoyan Zheng, Steffen Schumann, Philippe Büchler
2017 Computer Methods and Programs in Biomedicine  
and Objective: The aim of this study was to validate a new program which aims at measuring the threedimensional length of the spine's midline based on two calibrated orthogonal radiographic images.  ...  The software is easy to use and could easily integrate the clinical workflow and replace current approximations of the spinal length based on a single radiographic image such as the traditional T1-S1 measurement  ...  Finally, several studies proposed the use of ultrasound (US) to acquire images of the spine in supine position without exposing the patient to radiation [9] - [11] .  ... 
doi:10.1016/j.cmpb.2016.10.012 pmid:27886715 fatcat:swlswme3pna3dp7sruvt2jrhfe

Validation of Scolioscan Air-Portable Radiation-Free Three-Dimensional Ultrasound Imaging Assessment System for Scoliosis

Kelly Ka-Lee Lai, Timothy Tin-Yan Lee, Michael Ka-Shing Lee, Joseph Chi-Ho Hui, Yong-Ping Zheng
2021 Sensors  
The aim of this study was to investigate the reliability of a newly developed portable 3D ultrasound imaging system, Scolioscan Air, for scoliosis assessment using coronal images it generated.  ...  Further studies involving a larger number of subjects are worthwhile to demonstrate its potential clinical values for the management of scoliosis.  ...  A recent study reported the potential of using automatic selection of the best layer with encouraging results [66] .  ... 
doi:10.3390/s21082858 pmid:33921592 fatcat:haftjrazyredhhicfbvmmxtcfe

Diffusion Kurtosis Imaging of the neonatal Spinal Cord: design and application of the first processing pipeline implemented in Spinal Cord Toolbox [article]

Rosella Denise Tro', Monica Roascio, Domenico Tortora, Mariasavina Severino, Andrea Rossi, Julien Cohen-Adad, Marco Massimo Fato, Gabriele Arnulfo
2021 medRxiv   pre-print
has preliminarily been tested in a pilot clinical case study.  ...  Diffusion Kurtosis Imaging (DKI) has undisputed advantages over more classical diffusion Magnetic Resonance Imaging (dMRI), as witnessed by a fast-increasing number of clinical applications and software  ...  ), University of Genoa, Italy) and the LIFT (Laboratorio di Imaging Funzionale 3 Tesla).  ... 
doi:10.1101/2021.03.12.21253413 fatcat:yaytyxwblnfvzht5shsqjaxcey

B - Scientific Sessions

2010 Insights into Imaging  
Automatic image registration failed in two patients and manual adjustments were needed.  ...  Helical scan of the complete abdomen was subsequently performed following an additional intravenous injection of 90 ml of contrast media at a fixed delay of 30 seconds, at 120 kV and with tube current  ...  B-105 14:45 Whole-body diffusion-weighted MR imaging for staging patients with diffuse large B-cell lymphoma: A pilot study C. Lin 1 , A. Luciani 1 , E. Itti 1 , A. Vignaud 2 , S.-J. Lin 3 , P.  ... 
doi:10.1007/s13244-010-0011-1 pmid:23099631 pmcid:PMC3534347 fatcat:yfnq3lgteja2lfjl66ivdfnoum

Intravascular optical coherence tomography imaging at 3200 frames per second

Tianshi Wang, Wolfgang Wieser, Geert Springeling, Robert Beurskens, Charles T. Lancee, Tom Pfeiffer, Antonius F. W. van der Steen, Robert Huber, Gijs van Soest
2013 Optics Letters  
In this study we investigated the advantages of high dynamic range imaging to improve visualization of the vascular network during surgery.  ...  The results from the pilot tests indicate that if inserts are used from PU or Stainless Steel, and the tube ends overlap each other, the strongest connection is accomplished (on average 19N and 18 N respectively  ...  In a pilot study, a continuous suture of 7 stitches was applied on porcine abdomen for validation.  ... 
doi:10.1364/ol.38.001715 pmid:23938921 fatcat:xpmmhttzq5eudcy7jx3y7oay2y

Non-radiographic methods of measuring global sagittal balance: a systematic review

Larry Cohen, Sarah Kobayashi, Milena Simic, Sarah Dennis, Kathryn Refshauge, Evangelos Pappas
2017 Scoliosis and Spinal Disorders  
Measures of agreement ranged from 0.9 mm (plumbline) to 22.94 mm (infra-red motion-analysis). Variability in study populations, reporting parameters and statistics prevented a meta-analysis.  ...  Further research should focus on the validity of non-radiographic methods with a greater adherence to reporting actual and clinically relevant measures of agreement.  ...  Availability of data and materials Data sharing not applicable to this article as no datasets were generated or analysed during the current study.  ... 
doi:10.1186/s13013-017-0135-x pmid:29026895 pmcid:PMC5625601 fatcat:kjusho2x2vecpnzgsrj4bhnltm
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