![](https://labs.cs.queensu.ca/perklab/wp-content/plugins/staff-list/images/placeholder.png)
Pandina Pezeshki
Padina was a postdoc in Surgery, collaborating in the Perk Lab on integrating tracked margin probes in SlicerIGT surgical navigation system.
Ungi, Tamas; Vaughan, Thomas; Gauvin, Gabrielle; Pezeshki, Padina; Lasso, Andras; Engel, C. Jay; Rudan, John; Fichtinger, Gabor
Intraoperative user interface for navigated breast tumor surgery Conference
Computer Assisted Radiology and Surgery, 30th International Congress, vol. 11, Springer Springer, Heidelberg, Germany, 2016.
@conference{Ungi2016c,
title = {Intraoperative user interface for navigated breast tumor surgery},
author = {Tamas Ungi and Thomas Vaughan and Gabrielle Gauvin and Padina Pezeshki and Andras Lasso and C. Jay Engel and John Rudan and Gabor Fichtinger},
url = {https://labs.cs.queensu.ca/perklab/wp-content/uploads/sites/3/2024/02/Ungi2016c.pdf},
doi = {10.1007/s11548-016-1412-5},
year = {2016},
date = {2016-05-01},
urldate = {2016-05-01},
booktitle = {Computer Assisted Radiology and Surgery, 30th International Congress},
volume = {11},
pages = {S108-9},
publisher = {Springer},
address = {Heidelberg, Germany},
organization = {Springer},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
Heffernan, Emily; Ungi, Tamas; Vaughan, Thomas; Pezeshki, Padina; Lasso, Andras; Gauvin, Gabrielle; Rudan, John; Engel, C. Jay; Morin, Evelyn; Fichtinger, Gabor
Accuracy of lesion boundary tracking in navigated breast tumor excision Conference
SPIE Medical Imaging 2016, vol. 9786, San Diego, CA, USA, 2016.
@conference{Heffernan2016,
title = {Accuracy of lesion boundary tracking in navigated breast tumor excision},
author = {Emily Heffernan and Tamas Ungi and Thomas Vaughan and Padina Pezeshki and Andras Lasso and Gabrielle Gauvin and John Rudan and C. Jay Engel and Evelyn Morin and Gabor Fichtinger},
url = {http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=2505913&resultClick=1
https://labs.cs.queensu.ca/perklab/wp-content/uploads/sites/3/2024/02/Heffernan2016-manuscript.pdf},
doi = {10.1117/12.2217017},
year = {2016},
date = {2016-03-01},
urldate = {2016-03-01},
booktitle = {SPIE Medical Imaging 2016},
volume = {9786},
pages = {97860Y-1-6},
address = {San Diego, CA, USA},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
Carter, Kaci; Vaughan, Thomas; Holden, M.; Gauvin, Gabrielle; Pezeshki, Padina; Lasso, Andras; Ungi, Tamas; Morin, Evelyn; Rudan, John; Engel, C. Jay; Fichtinger, Gabor
Visual feedback mounted on surgical tool: proof of concept Conference
13th Imaging Network of Ontario Symposium (ImNO 2015), vol. 9786, San Diego, CA, USA, 2016.
@conference{Carter2016a,
title = {Visual feedback mounted on surgical tool: proof of concept},
author = {Kaci Carter and Thomas Vaughan and M. Holden and Gabrielle Gauvin and Padina Pezeshki and Andras Lasso and Tamas Ungi and Evelyn Morin and John Rudan and C. Jay Engel and Gabor Fichtinger},
url = {https://labs.cs.queensu.ca/perklab/wp-content/uploads/sites/3/2024/02/Carter2015a-slides.pptx
https://labs.cs.queensu.ca/perklab/wp-content/uploads/sites/3/2024/02/Carter2015a-poster.pptx
https://labs.cs.queensu.ca/perklab/wp-content/uploads/sites/3/2024/02/Carter2015a-slides.pptx},
year = {2016},
date = {2016-01-01},
urldate = {2016-01-01},
booktitle = {13th Imaging Network of Ontario Symposium (ImNO 2015)},
volume = {9786},
address = {San Diego, CA, USA},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
Ungi, Tamas; Gauvin, Gabrielle; Lasso, Andras; Yeo, Caitlin T; Pezeshki, Padina; Vaughan, Thomas; Carter, Kaci; Rudan, John; Engel, C. Jay; Fichtinger, Gabor
Navigated breast tumor excision using electromagnetically tracked ultrasound and surgical instruments Journal Article
In: IEEE Transactions on Biomedical Engineering, 2015, ISSN: 0018-9294.
@article{Ungi2015b,
title = {Navigated breast tumor excision using electromagnetically tracked ultrasound and surgical instruments},
author = {Tamas Ungi and Gabrielle Gauvin and Andras Lasso and Caitlin T Yeo and Padina Pezeshki and Thomas Vaughan and Kaci Carter and John Rudan and C. Jay Engel and Gabor Fichtinger},
url = {http://www.ncbi.nlm.nih.gov/pubmed/26302503
https://labs.cs.queensu.ca/perklab/wp-content/uploads/sites/3/2024/02/Ungi2015b.pdf},
doi = {10.1109/TBME.2015.2466591},
issn = {0018-9294},
year = {2015},
date = {2015-08-01},
urldate = {2015-08-01},
journal = {IEEE Transactions on Biomedical Engineering},
abstract = {<h4>OBJECTIVE:</h4>
<p>Lumpectomy, breast conserving tumor excision, is the standard surgical treatment in early stage breast cancer. A common problem with lumpectomy is that the tumor may not be completely excised, and additional surgery becomes necessary. We investigated if a surgical navigation system using intraoperative ultrasound improves the outcomes of lumpectomy, and if such a system can be implemented in the clinical environment.</p>
<h4>METHODS:</h4>
<p>Position sensors were applied on the tumor localization needle, the ultrasound probe, and the cautery, and three-dimensional navigation views were generated using real time tracking information. The system was tested against standard wire-localization procedures on phantom breast models by eight surgical residents. Clinical safety and feasibility was tested in six palpable tumor patients undergoing lumpectomy by two experienced surgical oncologists.</p>
<h4>RESULTS:</h4> <p>Navigation resulted in significantly less tissue excised compared to control procedures (10.3 ± 4.4 vs. 18.6 ± 8.7 g},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
<p>Lumpectomy, breast conserving tumor excision, is the standard surgical treatment in early stage breast cancer. A common problem with lumpectomy is that the tumor may not be completely excised, and additional surgery becomes necessary. We investigated if a surgical navigation system using intraoperative ultrasound improves the outcomes of lumpectomy, and if such a system can be implemented in the clinical environment.</p>
<h4>METHODS:</h4>
<p>Position sensors were applied on the tumor localization needle, the ultrasound probe, and the cautery, and three-dimensional navigation views were generated using real time tracking information. The system was tested against standard wire-localization procedures on phantom breast models by eight surgical residents. Clinical safety and feasibility was tested in six palpable tumor patients undergoing lumpectomy by two experienced surgical oncologists.</p>
<h4>RESULTS:</h4> <p>Navigation resulted in significantly less tissue excised compared to control procedures (10.3 ± 4.4 vs. 18.6 ± 8.7 g