Tejas Sankar

Tejas Sankar

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Tejas Sankar

Tejas Sankar

Publications by authors named "Tejas Sankar"

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Neuroanatomical predictors of response to subcallosal cingulate deep brain stimulation for treatment-resistant depression

J Psychiatry Neurosci 2020 01;45(1):45-54

From the Division of Neurosurgery, University of Alberta, Edmonton, Alberta, Canada (Sankar); the Department of Psychiatry, McGill University, Montreal, Quebec, Canada (Chakravarty); the Department of Biological and Biomedical Engineering, McGill University, Montreal, Quebec, Canada (Chakravarty); the Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada (Jawa, Li, Hamani, Lozano); the Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada (Giacobbe, Kennedy, Rizvi); and the Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, United States (Mayberg).

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http://dx.doi.org/10.1503/jpn.180207DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6919920PMC
January 2020

Predicting high-intensity focused ultrasound thalamotomy lesions using 2D magnetic resonance thermometry and 3D Gaussian modeling.

Med Phys 2019 Dec 4;46(12):5722-5732. Epub 2019 Nov 4.

Department of Radiology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.

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http://dx.doi.org/10.1002/mp.13868DOI Listing
December 2019

Hippocampal and trigeminal nerve volume predict outcome of surgical treatment for trigeminal neuralgia.

Cephalalgia 2019 Nov 21:333102419877659. Epub 2019 Nov 21.

Division of Neurosurgery, Department of Surgery, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.

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http://dx.doi.org/10.1177/0333102419877659DOI Listing
November 2019

Intraoperative acquisition of DTI in cranial neurosurgery: readout-segmented DTI versus standard single-shot DTI.

J Neurosurg 2019 Aug 16:1-10. Epub 2019 Aug 16.

4Department of Biomedical Engineering, University of Alberta, Edmonton, Alberta, Canada.

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http://dx.doi.org/10.3171/2019.5.JNS19890DOI Listing
August 2019

Deep Brain Stimulation as a Rescue When Duodenal Levodopa Infusion Fails.

Can J Neurol Sci 2019 01;46(1):130-131

1Deparment of Medicine (Neurology),University of AlbertaEdmonton, Alberta,Canada.

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http://dx.doi.org/10.1017/cjn.2018.366DOI Listing
January 2019

Acute and reversible crying following deep brain stimulation targeting the globus pallidus interna in dystonia.

J Neurol Sci 2018 05 5;388:76-78. Epub 2018 Mar 5.

Parkinson and Movement Disorders Program, Division of Neurology, Department of Medicine, University of Alberta, 7-112 Clinical Sciences Building, 11350 - 83 Avenue Edmonton, Alberta T6G 2G3, Canada. Electronic address:

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http://dx.doi.org/10.1016/j.jns.2018.03.006DOI Listing
May 2018

Longitudinal hippocampal and extra-hippocampal microstructural and macrostructural changes following temporal lobe epilepsy surgery.

Epilepsy Res 2018 02 6;140:128-137. Epub 2018 Jan 6.

Division of Neurosurgery, University of Alberta, Edmonton, Alberta, Canada. Electronic address:

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http://dx.doi.org/10.1016/j.eplepsyres.2018.01.008DOI Listing
February 2018

Safety of repetitive transcranial magnetic stimulation in patients with implanted cortical electrodes. An ex-vivo study and report of a case.

Clin Neurophysiol 2017 06 13;128(6):1109-1115. Epub 2017 Feb 13.

Division of Neurology, Department of Medicine, University of Toronto, Division of Brain Imaging and Behaviour - Systems Neuroscience, Krembil Research Institute. 7MC-411, Toronto Western Hospital, 399 Bathurst Street, Toronto, Ontario M5T 2S8, Canada. Electronic address:

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http://dx.doi.org/10.1016/j.clinph.2017.01.021DOI Listing
June 2017

Letter: Commentary: Deep Brain Stimulation as Clinical Innovation: An Ethical and Organizational Framework to Sustain Deliberations about Psychiatric Deep Brain Stimulation.

Neurosurgery 2017 06;80(6):E269-E270

Neuroethics Research Unit, Institut de recherches cliniques de Montréal (IRCM), Montréal, Quebec, Canada.

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http://dx.doi.org/10.1093/neuros/nyx038DOI Listing
June 2017

Early diffusion restriction of white matter in infants with small subdural hematomas is associated with delayed atrophy.

Childs Nerv Syst 2017 Feb 20;33(2):289-295. Epub 2016 Oct 20.

Division of Neurosurgery, University of Alberta, Edmonton, Alberta, Canada.

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http://dx.doi.org/10.1007/s00381-016-3271-3DOI Listing
February 2017

Deep Brain Stimulation Target Selection for Parkinson's Disease.

Can J Neurol Sci 2017 Jan 15;44(1):3-8. Epub 2016 Mar 15.

6Division of Neurology,Department of Medicine,Hôpital Notre-Dame,University of Montreal Health Centre,Montréal,Québec,Canada.

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http://dx.doi.org/10.1017/cjn.2016.22DOI Listing
January 2017

Progressive contralateral hippocampal atrophy following surgery for medically refractory temporal lobe epilepsy.

Epilepsy Res 2016 09 25;125:62-71. Epub 2016 Jun 25.

Division of Neurosurgery, University of Alberta, Edmonton, Alberta, Canada. Electronic address:

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http://dx.doi.org/10.1016/j.eplepsyres.2016.06.007DOI Listing
September 2016

Structural brain changes following subthalamic nucleus deep brain stimulation in Parkinson's disease.

Mov Disord 2016 09 19;31(9):1423-5. Epub 2016 Jul 19.

Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1002/mds.26707DOI Listing
September 2016

The Influence of Corticosteroids on Diagnostic Accuracy of Biopsy for Primary Central Nervous System Lymphoma.

Can J Neurol Sci 2016 Sep 29;43(5):721-5. Epub 2016 Jul 29.

1Division of Neurosurgery,Department of Surgery,University of Alberta,Alberta,Canada.

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http://dx.doi.org/10.1017/cjn.2016.255DOI Listing
September 2016

Early-onset parkinsonism induced by pallidal deep brain stimulation in cervical dystonia.

Parkinsonism Relat Disord 2016 08 21;29:140-2. Epub 2016 Apr 21.

Division of Neurosurgery, 2D Department of Surgery, University of Alberta Hospital, 8440 112 ST NW, Edmonton, Alberta, T6G 2B7, Canada. Electronic address:

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http://dx.doi.org/10.1016/j.parkreldis.2016.04.018DOI Listing
August 2016

Deep Brain Stimulation as Clinical Innovation: An Ethical and Organizational Framework to Sustain Deliberations About Psychiatric Deep Brain Stimulation.

Neurosurgery 2016 Jul;79(1):3-10

*Neuroethics Research Unit, Institut de recherches cliniques de Montréal (IRCM), Montréal, Quebec, Canada; ‡Division of Neurosurgery, University of Alberta, Edmonton, Alberta, Canada; §Department of Medicine and Department of Social and Preventive Medicine, Université de Montréal, Montréal, Quebec, Canada; ¶Departments of Neurology and Neurosurgery, Experimental Medicine & Biomedical Ethics Unit, McGill University, Montréal, Quebec, Canada.

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http://dx.doi.org/10.1227/NEU.0000000000001207DOI Listing
July 2016

Deep brain stimulation of the ventromedial prefrontal cortex causes reorganization of neuronal processes and vasculature.

Neuroimage 2016 Jan 23;125:422-427. Epub 2015 Oct 23.

Program in Neuroscience and Mental Health, The Hospital for Sick Children, Canada; Mouse Imaging Centre (MICe), The Hospital for Sick Children, Canada; Department of Medical Biophysics, University of Toronto, Canada.

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http://dx.doi.org/10.1016/j.neuroimage.2015.10.049DOI Listing
January 2016

Deep Brain Stimulation Influences Brain Structure in Alzheimer's Disease.

Brain Stimul 2015 May-Jun;8(3):645-54. Epub 2014 Dec 3.

Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada. Electronic address:

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http://dx.doi.org/10.1016/j.brs.2014.11.020DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5659851PMC
November 2015

Deep brain stimulation for disorders of memory and cognition.

Neurotherapeutics 2014 Jul;11(3):527-34

Division of Neurosurgery, Walter C. MacKenzie Health Sciences Centre, University of Alberta, 8440-112 Street, Edmonton, Alberta, T6G 2B7, Canada.

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http://dx.doi.org/10.1007/s13311-014-0275-0DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4121440PMC
July 2014

Some recent trends and further promising directions in functional neurosurgery.

Acta Neurochir Suppl 2013 ;117:87-92

Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA, 02115, USA.

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http://dx.doi.org/10.1007/978-3-7091-1482-7_14DOI Listing
January 2014

Beta coherence within human ventromedial prefrontal cortex precedes affective value choices.

Neuroimage 2014 Jan 1;85 Pt 2:769-78. Epub 2013 Jun 1.

Division of Neurosurgery, Krembil Neuroscience Centre and Toronto Western Research Institute, University Health Network, Department of Surgery, University of Toronto, 399 Bathurst, Toronto, Ontario M5T 2S8, Canada.

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http://dx.doi.org/10.1016/j.neuroimage.2013.05.104DOI Listing
January 2014

Deep brain stimulation for Parkinson's disease and other movement disorders.

Curr Opin Neurol 2013 Aug;26(4):374-80

Division of Neurosurgery, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1097/WCO.0b013e3283632d08DOI Listing
August 2013

MR-guided focused ultrasound thalamotomy for essential tremor: a proof-of-concept study.

Lancet Neurol 2013 May 21;12(5):462-8. Epub 2013 Mar 21.

Division of Neurosurgery, Department of Surgery, Krembil Neuroscience Centre, Toronto Western Hospital, University of Toronto, Toronto, ON M5T 2S8, Canada.

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https://linkinghub.elsevier.com/retrieve/pii/S14744422137004
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http://dx.doi.org/10.1016/S1474-4422(13)70048-6DOI Listing
May 2013

Introduction: functional imaging.

Neurosurg Focus 2013 Apr;34(4):Introduction

Division of Neurosurgery, University of Alberta, Edmonton, Alberta.

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http://dx.doi.org/10.3171/2013.2.FOCUS1376DOI Listing
April 2013

Novel applications of deep brain stimulation.

Surg Neurol Int 2012 14;3(Suppl 1):S26-33. Epub 2012 Jan 14.

Department of Neurosurgery, Toronto Western Hospital, Toronto, Ontario, Canada.

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http://dx.doi.org/10.4103/2152-7806.91607DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3400483PMC
October 2012

Magnetic resonance imaging volumetric assessment of the extent of contrast enhancement and resection in oligodendroglial tumors.

J Neurosurg 2012 Jun 16;116(6):1172-81. Epub 2012 Mar 16.

Division of Neurological Surgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona 85013, USA.

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http://dx.doi.org/10.3171/2012.2.JNS102032DOI Listing
June 2012

Functional neurosurgery and hemorrhage.

J Neurosurg 2012 Jan 9;116(1):82-3; discussion 83. Epub 2011 Sep 9.

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http://dx.doi.org/10.3171/2011.7.JNS11829DOI Listing
January 2012

Surgical approach to l-dopa-induced dyskinesias.

Int Rev Neurobiol 2011 ;98:151-71

Division of Neurosurgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1016/B978-0-12-381328-2.00006-7DOI Listing
January 2012

Brain-machine interfaces for motor control: a guide for neuroscience clinicians.

Can J Neurol Sci 2012 Jan;39(1):11-22

Division of Neurosurgery, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, Ontario, M5T 2S8, Canada.

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http://dx.doi.org/10.1017/s0317167100012622DOI Listing
January 2012

Deep brain stimulation emerging indications.

Prog Brain Res 2011 ;194:83-95

Division of Neurosurgery, Toronto Western Hospital, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1016/B978-0-444-53815-4.00015-7DOI Listing
December 2011

Intracranial implantation with subsequent 3D in vivo bioluminescent imaging of murine gliomas.

J Vis Exp 2011 Nov 6(57):e3403. Epub 2011 Nov 6.

Neuro-Oncology Research, Barrow Neurological Institute of St. Joseph’s Hospital and Medical Center.

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http://dx.doi.org/10.3791/3403DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3308614PMC
November 2011

Magnetic resonance imaging and deep brain stimulation.

J Neurosurg 2011 Oct 24;115(4):849-50; discussion 850-1. Epub 2011 Jun 24.

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https://thejns.org/view/journals/j-neurosurg/115/4/article-p
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http://dx.doi.org/10.3171/2011.4.JNS11335DOI Listing
October 2011

Right hemisphere language.

J Neurosurg 2011 Apr 14;114(4):891-2; discussion 892. Epub 2011 Jan 14.

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http://dx.doi.org/10.3171/2010.10.JNS101284DOI Listing
April 2011

Pediatric traumatic retroclival epidural hematoma.

Can J Neurol Sci 2011 Mar;38(2):338-40

Division of Neurosurgery, Department of Surgery, University of Alberta, Edmonton, Alberta, Canada.

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http://dx.doi.org/10.1017/s0317167100011550DOI Listing
March 2011

Brain retraction and thickness of cerebral neocortex: an automated technique for detecting retraction-induced anatomic changes using magnetic resonance imaging.

Neurosurgery 2010 Sep;67(3 Suppl Operative):ons277-82; discussion ons282

Division of Neurological Surgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA.

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http://dx.doi.org/10.1227/01.NEU.0000374699.12150.0DOI Listing
September 2010

Miniaturized handheld confocal microscopy for neurosurgery: results in an experimental glioblastoma model.

Neurosurgery 2010 Feb;66(2):410-7; discussion 417-8

Division of Neurological Surgery, Barrow Neurological Institute, St Joseph's Hospital and Medical Center, Phoenix, Arizona 85013, USA.

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http://dx.doi.org/10.1227/01.NEU.0000365772.66324.6FDOI Listing
February 2010

The metabolic epicenter of supratentorial gliomas: a 1H-MRSI study.

Can J Neurol Sci 2009 Nov;36(6):696-706

Division of Neurological Surgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona 85013, USA.

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http://dx.doi.org/10.1017/s0317167100008301DOI Listing
November 2009

Activated autologous macrophage implantation in a large-animal model of spinal cord injury.

Neurosurg Focus 2008 ;25(5):E3

Division of Neurological Surgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA.

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http://dx.doi.org/10.3171/FOC.2008.25.11.E3DOI Listing
April 2009

Explicit separation of growth and motility in a new tumor cord model.

Bull Math Biol 2009 Apr 9;71(3):585-601. Epub 2008 Dec 9.

Dept. of Mathematics and Statistics, Arizona State University, Tempe, AZ 85287, USA.

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http://dx.doi.org/10.1007/s11538-008-9372-8DOI Listing
April 2009

Prospective serial proton MR spectroscopic assessment of response to tamoxifen for recurrent malignant glioma.

J Neurooncol 2008 Oct 4;90(1):63-76. Epub 2008 Jul 4.

Neurosurgery Research Laboratory, Division of Neurological Surgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, 350 W. Thomas Road, Phoenix, AZ 85013, USA.

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http://dx.doi.org/10.1007/s11060-008-9632-3DOI Listing
October 2008

Bilateral thalamic infarction following transsphenoidal surgery.

Can J Neurol Sci 2008 Sep;35(4):522-5

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http://dx.doi.org/10.1017/s0317167100009264DOI Listing
September 2008

Temporal lobe epilepsy: differential pattern of damage in temporopolar cortex and white matter.

Hum Brain Mapp 2008 Aug;29(8):931-44

Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada.

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http://doi.wiley.com/10.1002/hbm.20437
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http://dx.doi.org/10.1002/hbm.20437DOI Listing
August 2008

Neurosurgical implications of mannitol accumulation within a meningioma and its peritumoral region demonstrated by magnetic resonance spectroscopy: case report.

J Neurosurg 2008 May;108(5):1010-3

Neurosurgery Research Laboratory, Division of Neurological Surgery, St Joseph's Hospital and Medical Center, Phoenix, AZ 85013, USA.

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http://dx.doi.org/10.3171/JNS/2008/108/5/1010DOI Listing
May 2008

Comparative study of cranial topographic procedures: Broca's legacy toward practical brain surgery.

Neurosurgery 2008 Feb;62(2):294-310; discussion 310

Division of Neurological Surgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona 85013, USA.

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http://dx.doi.org/10.1227/01.neu.0000315997.50399.91DOI Listing
February 2008