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2017

1.5 T augmented reality navigated interventional MRI: Paravertebral sympathetic plexus injections

Marker, D. R., U-Thainual, P., Ungi, T., Flammang, A. J., Fichtinger, G., Iordachita, I. I., Carrino, J. A. & Fritz, J. 2017 In : Diagnostic and Interventional Radiology. 23, 3, p. 227-232 6 p.

Research output: Research - peer-reviewArticle

Interventional Magnetic Resonance Imaging
Needles
Injections
Magnetic Resonance Imaging
Punctures

Development of 3D Slicer based film dosimetry analysis

Alexander, K. M., Robinson, A., Pinter, C., Fichtinger, G. & Schreiner, L. J. Jun 5 2017 In : Journal of Physics: Conference Series. 847, 1, 012061

Research output: Research - peer-reviewArticle

dosimeters
dosage
computer programs
planning
platforms

Evaluation of an interactive ultrasound-based breast tumor contouring workflow

Mair, A. T., Vaughan, T. A., Ungi, T., Lasso, A., Engel, C. J., Rudan, J. R. & Fichtinger, G. 2017 Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 10135, 101351C

Research output: ResearchConference contribution

Workflow
Breast Neoplasms
Neoplasms
breast
tumors

Evaluation of the Intel RealSense SR300 camera for image-guided interventions and application in vertebral level localization

House, R., Lasso, A., Harish, V., Baum, Z. & Fichtinger, G. 2017 Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 10135, 101352Z

Research output: ResearchConference contribution

cameras
evaluation
Equipment and Supplies
Cameras
Optical Devices

Fractional labelmaps for computing accurate dose volume histograms

Sunderland, K., Pinter, C., Lasso, A. & Fichtinger, G. 2017 Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 10135, 101352Y

Research output: ResearchConference contribution

histograms
dosage
Dosimetry
Data storage equipment
Therapeutics

Image segmentation and modeling of the pediatric tricuspid valve in hypoplastic left heart syndrome

Pouch, A. M., Aly, A. H., Lasso, A., Nguyen, A. V., Scanlan, A. B., McGowan, F. X., Fichtinger, G., Gorman, R. C., Gorman, J. H., Yushkevich, P. A. & Jolley, M. A. 2017 Functional Imaging and Modelling of the Heart - 9th International Conference, FIMH 2017, Proceedings. Springer Verlag, Vol. 10263 LNCS, p. 95-105 11 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 10263 LNCS)

Research output: ResearchConference contribution

Image Modeling
Pediatrics
Image Segmentation
Modeling
Heart

Improved electromagnetic tracking for catheter path reconstruction with application in high-dose-rate brachytherapy

Lugez, E., Sadjadi, H., Joshi, C. P., Akl, S. G. & Fichtinger, G. Feb 18 2017 (Accepted/In press) In : International Journal of Computer Assisted Radiology and Surgery. p. 1-9 9 p.

Research output: Research - peer-reviewArticle

Electromagnetic Phenomena
Brachytherapy
Catheters
Biomechanical Phenomena
Electromagnetic Fields

Localization of the transverse processes in ultrasound for spinal curvature measurement

Kamali, S., Ungi, T., Lasso, A., Yan, C., Lougheed, M. & Fichtinger, G. 2017 Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 10135, 101350I

Research output: ResearchConference contribution

curvature
Ultrasonics
Spinal Curvatures
Scoliosis
Bone and Bones

Monitoring electromagnetic tracking error using redundant sensors

Harish, V., Bibic, E., Lasso, A., Holden, M. S., Vaughan, T., Baum, Z., Ungi, T. & Fichtinger, G. 2017 Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 10135, 101352R

Research output: ResearchConference contribution

electromagnetism
sensors
Electromagnetic Phenomena
Monitoring
Sensors

Objective assessment of colonoscope manipulation skills in colonoscopy training

Holden, M. S., Wang, C. N., MacNeil, K., Church, B., Hookey, L., Fichtinger, G. & Ungi, T. Oct 30 2017 (Accepted/In press) In : International Journal of Computer Assisted Radiology and Surgery. p. 1-10 10 p.

Research output: Research - peer-reviewArticle

Colonoscopes
Colonoscopy
Wrist Joint
Elbow Joint
Hand Joints

Open-source software for collision detection in external beam radiation therapy

Suriyakumar, V. M., Xu, R., Pinter, C. & Fichtinger, G. 2017 Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 10135, 101351G

Research output: ResearchConference contribution

radiation therapy
computer programs
collisions
Radiotherapy
Open source software

Overall Proficiency Assessment in Point-of-Care Ultrasound Interventions: The Stopwatch is not Enough

Holden, M. S., Keri, Z., Ungi, T. & Fichtinger, G. 2017 Imaging for Patient-Customized Simulations and Systems for Point-of-Care Ultrasound - International Workshops, BIVPCS 2017 and POCUS 2017 Held in Conjunction with MICCAI 2017, Proceedings. Springer Verlag, Vol. 10549 LNCS, p. 146-153 8 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 10549 LNCS)

Research output: ResearchConference contribution

Stopwatch
Ultrasound
Metric
Stop watches
Ultrasonics

Patient-specific pediatric silicone heart valve models based on 3D ultrasound

Ilina, A., Lasso, A., Jolley, M. A., Wohler, B., Nguyen, A., Scanlan, A., Bauma, Z., McGowan, F. & Fichtinger, G. 2017 Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 10135, 1013516

Research output: ResearchConference contribution

Heart Valves
Silicones
Pediatrics
Ultrasonics
heart valves

Skull registration for prone patient position using tracked ultrasound

Underwood, G., Ungi, T., Baum, Z., Lasso, A., Kronreif, G. & Fichtinger, G. 2017 Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 10135, 1013522

Research output: ResearchConference contribution

Prone Position
Skull
skull
Ultrasonics
Neurosurgery

Study into the displacement of tumor localization needle during navigated breast cancer surgery

Yan, C., Ungi, T., Gauvin, G., Jabs, D., Lasso, A., Engel, J., Rudan, J. & Fichtinger, G. 2017 Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 10135, 1013528

Research output: ResearchConference contribution

surgery
needles
breast
tumors
cancer

Training with Perk Tutor improves ultrasound-guided in-plane needle insertion skill

Lia, H., Keri, Z., Holden, M. S., Harish, V., Mitchell, C. H., Ungi, T. & Fichtinger, G. 2017 Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 10135, 101350T

Research output: ResearchConference contribution

needles
insertion
education
Needles
Ultrasonics

Usability of a real-time tracked augmented reality display system in musculoskeletal injections

Baum, Z., Ungi, T., Lasso, A. & Fichtinger, G. 2017 Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 10135, 101352T

Research output: ResearchConference contribution

Augmented reality
Image resolution
Needles
Tablets
Mirrors

Utility of 3D Reconstruction of 2D Liver Computed Tomography/Magnetic Resonance Images as a Surgical Planning Tool for Residents in Liver Resection Surgery

Yeo, C. T., MacDonald, A., Ungi, T., Lasso, A., Jalink, D., Zevin, B., Fichtinger, G. & Nanji, S. 2017 (Accepted/In press) In : Journal of Surgical Education.

Research output: Research - peer-reviewArticle

surgery
reconstruction
resident
planning
Magnetic Resonance Spectroscopy

Visualization of scoliotic spine using ultrasound-accessible skeletal landmarks

Church, B., Lasso, A., Schlenger, C., Borschneck, D. P., Mousavi, P., Fichtinger, G. & Ungi, T. 2017 Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 10135, 101350L

Research output: ResearchConference contribution

Visualization
Ultrasonics
landmarks
spine
Spine
2016

Accuracy of lesion boundary tracking in navigated breast tumor excision

Heffernan, E., Ungi, T., Vaughan, T., Pezeshki, P., Lasso, A., Gauvin, G., Rudan, J., Engel, C. J., Morin, E. & Fichtinger, G. 2016 Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 9786, 97860Y

Research output: ResearchConference contribution

breast
lesions
tumors
Breast Neoplasms
Neoplasms

Bone enhancement in ultrasound based on 3D local spectrum variation for percutaneous scaphoid fracture fixation

Anas, E. M. A., Seitel, A., Rasoulian, A., John, P. S., Ungi, T., Lasso, A., Darras, K., Wilson, D., Lessoway, V. A., Fichtinger, G., Zec, M., Pichora, D., Mousavi, P., Rohling, R. & Abolmaesumi, P. 2016 Medical Image Computing and Computer-Assisted Intervention - MICCAI 2016 - 19th International Conference, Proceedings. Springer Verlag, Vol. 9900 LNCS, p. 465-473 9 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 9900 LNCS)

Research output: ResearchConference contribution

Local Spectrum
Fixation
Ultrasound
Bone
Enhancement

Clinical workflow for spinal curvature measurement with portable ultrasound

Tabanfar, R., Yan, C., Kempston, M., Borschneck, D., Ungi, T. & Fichtinger, G. 2016 Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 9786, 97860G

Research output: ResearchConference contribution

Spinal Curvatures
Workflow
Spine
curvature
Ultrasonics

Comparison of portable and conventional ultrasound imaging in spinal curvature measurement

Yan, C., Tabanfar, R., Kempston, M., Borschneck, D., Ungi, T. & Fichtinger, G. 2016 Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 9786, 97860T

Research output: ResearchConference contribution

Spinal Curvatures
Scoliosis
Ultrasonography
landmarks
curvature

CT and MRI fusion for postimplant prostate brachytherapy evaluation

Dehghan, E., Le, Y., Lee, J., Song, D. Y., Fichtinger, G. & Prince, J. L. Jun 15 2016 2016 IEEE International Symposium on Biomedical Imaging: From Nano to Macro, ISBI 2016 - Proceedings. IEEE Computer Society, Vol. 2016-June, p. 625-628 4 p. 7493345

Research output: ResearchConference contribution

Magnetic resonance imaging
Seed
Fusion reactions
Brachytherapy
Prostate

Current sensing for navigated electrosurgery: Proof of concept

Carter, K., Lasso, A., Ungi, T., Morin, E. & Fichtinger, G. 2016 Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 9786, 97861Y

Research output: ResearchConference contribution

Electrosurgery
Equipment and Supplies
Surgeons
Navigation systems
Coagulation

Development and evaluation of a simulation-based curriculum for ultrasound-guided central venous catheterization

McGraw, R., Chaplin, T., McKaigney, C., Rang, L., Jaeger, M., Redfearn, D., Davison, C., Ungi, T., Holden, M., Yeo, C., Keri, Z. & Fichtinger, G. Nov 1 2016 In : Canadian Journal of Emergency Medicine. 18, 6, p. 405-413 9 p.

Research output: Research - peer-reviewArticle

Central Venous Catheterization
Benchmarking
Curriculum
Central Venous Catheters
Hand

Effects of voxelization on dose volume histogram accuracy

Sunderland, K., Pinter, C., Lasso, A. & Fichtinger, G. 2016 Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 9786, 97862O

Research output: ResearchConference contribution

histograms
dosage
Dosimetry
Planning
Therapeutics

Increasing the impact of medical image computing using community-based open-access hackathons: The NA-MIC and 3D Slicer experience

Kapur, T. , Pieper, S. , Fedorov, A. , Fillion-Robin, J. C. , Halle, M. , O'Donnell, L. , Lasso, A. , Ungi, T. , Pinter, C. , Finet, J. , Pujol, S. , Jagadeesan, J. , Tokuda, J. , Norton, I. , Estepar, R. S. J. , Gering, D. , Aerts, H. J. W. L. , Jakab, M. , Hata, N. , Ibanez, L. & 9 others Blezek, D., Miller, J., Aylward, S., Grimson, W. E. L., Fichtinger, G., Wells, W. M., Lorensen, W. E., Schroeder, W. & Kikinis, R. Oct 1 2016 In : Medical Image Analysis. 33, p. 176-180 5 p.

Research output: Research - peer-reviewEditorial

Software
Research
Organized Financing
Information Storage and Retrieval
National Institutes of Health (U.S.)

Investigation of permanent magnets in low-cost position tracking

Anderson, R., Lasso, A., Hashtrudi-Zaad, K. & Fichtinger, G. 2016 Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 9786, 97862F

Research output: ResearchConference contribution

Permanent magnets
Costs
Magnets
Costs and Cost Analysis
permanent magnets

Measurement of electromagnetic tracking error in a navigated breast surgery setup

Harish, V., Baksh, A., Ungi, T., Lasso, A., Baum, Z., Gauvin, G., Engel, J., Rudan, J. & Fichtinger, G. 2016 Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 9786, 97862K

Research output: ResearchConference contribution

Electromagnetic Phenomena
Calibration
Breast
surgery
breast

MR-guided perineural injection of the ganglion impar: technical considerations and feasibility

Marker, D. R., U-Thainual, P., Ungi, T., Flammang, A. J., Fichtinger, G., Iordachita, I. I., Carrino, J. A. & Fritz, J. May 1 2016 In : Skeletal Radiology. 45, 5, p. 591-597 7 p.

Research output: Research - peer-reviewArticle

Ganglia
Injections
Magnetic Resonance Imaging
Needles
Punctures

Navigated Breast Tumor Excision Using Electromagnetically Tracked Ultrasound and Surgical Instruments

Ungi, T., Gauvin, G., Lasso, A., Yeo, C. T., Pezeshki, P., Vaughan, T., Carter, K., Rudan, J., Engel, C. J. & Fichtinger, G. Mar 1 2016 In : IEEE Transactions on Biomedical Engineering. 63, 3, p. 600-606 7 p., 7214223

Research output: Research - peer-reviewArticle

Tumors
Ultrasonics
Navigation
Navigation systems
Operating rooms

Open-source platforms for navigated image-guided interventions

Ungi, T., Lasso, A. & Fichtinger, G. Oct 1 2016 In : Medical Image Analysis. 33, p. 181-186 6 p.

Research output: Research - peer-reviewEditorial

Navigation
Technology
Software
Research Personnel
Research

Real-time self-calibration of a tracked augmented reality display

Baum, Z., Lasso, A., Ungi, T. & Fichtinger, G. 2016 Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 9786, 97860F

Research output: ResearchConference contribution

Augmented reality
Display devices
Calibration
Needles
Tablets

Registration of a statistical model to intraoperative ultrasound for scaphoid screw fixation

Anas, E. M. A., Seitel, A., Rasoulian, A., John, P. S., Ungi, T., Lasso, A., Darras, K., Wilson, D., Lessoway, V. A., Fichtinger, G., Zec, M., Pichora, D., Mousavi, P., Rohling, R. & Abolmaesumi, P. Mar 16 2016 (Accepted/In press) In : International Journal of Computer Assisted Radiology and Surgery. p. 1-9 9 p.

Research output: Research - peer-reviewArticle

Fracture Fixation
Statistical Models
Wrist
Trapezium Bone
Scaphoid Bone

Simultaneous electromagnetic tracking and calibration for dynamic field distortion compensation

Sadjadi, H., Hashtrudi-Zaad, K. & Fichtinger, G. Aug 1 2016 In : Crop and Pasture Science. 63, 8, p. 1771-1781 11 p., 7331619

Research output: Research - peer-reviewArticle

calibration
methodology

Simultaneous localization and calibration for electromagnetic tracking systems

Sadjadi, H., Hashtrudi-Zaad, K. & Fichtinger, G. Jun 1 2016 In : International Journal of Medical Robotics and Computer Assisted Surgery. 12, 2, p. 189-198 10 p.

Research output: Research - peer-reviewArticle

Calibration
Electromagnetic Phenomena
Sensors
Measurement errors
Navigation

Toward teleoperated needle steering under continuous MRI guidance for prostate percutaneous interventions

Seifabadi, R., Aalamifar, F., Iordachita, I. & Fichtinger, G. Sep 1 2016 In : International Journal of Medical Robotics and Computer Assisted Surgery. 12, 3, p. 355-369 15 p.

Research output: Research - peer-reviewArticle

Needles
Magnetic resonance imaging
Prostate
Robots
Biopsy

Visual design and verification tool for collision-free dexterous patient specific neurosurgical instruments

Hess, M., Eastwood, K., Linder, B., Bodani, V., Lasso, A., Looi, T., Fichtinger, G. & Drake, J. 2016 Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 9786, 97861M

Research output: ResearchConference contribution

collisions
Software
Surgeons
computer programs
surgeons

Visual feedback mounted on surgical tool: Proof of concept

Carter, K., Vaughan, T., Holden, M., Gauvin, G., Pezeshki, P., Lasso, A., Ungi, T., Morin, E., Rudan, J., Engel, C. J. & Fichtinger, G. 2016 Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 9786, 978614

Research output: ResearchConference contribution

Feedback
Sensory Feedback
Neoplasms
Tumors
navigation
2015

3D-printed surface mould applicator for high-dose-rate brachytherapy

Schumacher, M., Lasso, A., Cumming, I., Rankin, A., Falkson, C. B., Schreiner, L. J., Joshi, C. & Fichtinger, G. 2015 Medical Imaging 2015: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 9415, 94152E

Research output: ResearchConference contribution

Applicators
Catheters
Waxes
Thermoplastics
Brachytherapy

3D slicer gel dosimetry analysis: Validation of the calibration process

Alexander, K. M., Pinter, C., Andrea, J., Fichtinger, G. & Schreiner, L. J. 2015 IFMBE Proceedings. Springer Verlag, Vol. 51, p. 521-524 4 p.

Research output: ResearchConference contribution

Dosimetry
Gels
Calibration
Dosimeters
Electron beams

Assessment of Lumbar Puncture Skill in Experts and Nonexperts Using Checklists and Quantitative Tracking of Needle Trajectories: Implications for Competency-Based Medical Education

Clinkard, D., Moult, E., Holden, M., Davison, C., Ungi, T., Fichtinger, G. & McGraw, R. Jan 2 2015 In : Teaching and Learning in Medicine. 27, 1, p. 51-56 6 p.

Research output: Research - peer-reviewArticle

Competency-Based Education
Spinal Puncture
Medical Education
Checklist
Needles

Electromagnetic tracking in surgical and interventional environments: usability study

Lugez, E., Sadjadi, H., Pichora, D. R., Ellis, R. E., Akl, S. G. & Fichtinger, G. 2015 In : International Journal of Computer Assisted Radiology and Surgery. 10, 3, p. 253-262 10 p.

Research output: Research - peer-reviewArticle

Cone-Beam Computed Tomography
Electromagnetic Phenomena
Uncertainty
Equipment and Supplies
Calibration

Evaluation metrics for bone segmentation in ultrasound

Lougheed, M., Fichtinger, G. & Ungi, T. 2015 Medical Imaging 2015: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 9415, 941516

Research output: ResearchConference contribution

bones
evaluation
Bone
Ultrasonics
Bone and Bones

Examination of learning trajectories for simulated lumbar puncture training using hand motion analysis

Yeo, C. T., Davison, C., Ungi, T., Holden, M., Fichtinger, G. & McGraw, R. Oct 1 2015 In : Academic Emergency Medicine. 22, 10, p. 1187-1195 9 p.

Research output: Research - peer-reviewArticle

Spinal Puncture
Hand
Learning
Benchmarking
Students

Hole filling with oriented sticks in ultrasound volume reconstruction

Vaughan, T., Lasso, A., Ungi, T. & Fichtinger, G. Jul 1 2015 In : Journal of Medical Imaging. 2, 3, 034002

Research output: Research - peer-reviewArticle

Ultrasonics
Interpolation
Artifacts

Implementation of an efficient workflow process for gel dosimetry using 3D Slicer

Alexander, K. M., Pinter, C., Andrea, J., Fichtinger, G. & Schreiner, L. J. 2015 In : Journal of Physics: Conference Series. 573, 1, 012042

Research output: Research - peer-reviewArticle

dosimeters
gels
dosage
planning
manipulators

Improving CPR training by tracking: A free open-source computer program to collect laerdal SimMan 3G CPR performance data

Clinkard, D., Stuart, K., Stuart, L., Fichtinger, G. & Ungi, T. Apr 3 2015 In : Prehospital Emergency Care. 19, 2, p. 342 1 p.

Research output: Research - peer-reviewArticle

Intraoperative visualization and assessment of electromagnetic tracking error

Harish, V., Ungi, T., Lasso, A., MacDonald, A., Nanji, S. & Fichtinger, G. 2015 Medical Imaging 2015: Image-Guided Procedures, Robotic Interventions, and Modeling. SPIE, Vol. 9415, 94152H

Research output: ResearchConference contribution

electromagnetism
Visualization
Electromagnetic Phenomena
Sampling
plugs