Richard I Aviv

Richard I Aviv

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Richard I Aviv

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Influence of occlusion site and baseline ischemic core on outcome in patients with ischemic stroke.

Neurology 2019 Jun 1;92(23):e2626-e2643. Epub 2019 May 1.

From the Department of Neurology (H.T., M.W.P., C.R.L., L.L., N.J.S., A.B.), John Hunter Hospital, University of Newcastle, Australia; Department of Medical Imaging, Division of Neuroradiology (R.I.A.), Sunnybrook Health Sciences Center and University of Toronto; Division of Neurology, Department of Medicine (K.S.B.), University of Alberta, Edmonton, Canada; Department of Neurology (M.L.), the Second Affiliated Hospital of Zhejiang University, Hangzhou, China; and Department of Neurology (T.J.K.), Royal Adelaide Hospital, Australia.

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http://dx.doi.org/10.1212/WNL.0000000000007553DOI Listing
June 2019

BOLD-based cerebrovascular reactivity vascular transfer function isolates amplitude and timing responses to better characterize cerebral small vessel disease.

NMR Biomed 2019 Mar 29;32(3):e4064. Epub 2019 Jan 29.

Heart and Stroke Foundation Canadian Partnership for Stroke Recovery, Sunnybrook Research Institute, University of Toronto, Toronto, ON, Canada.

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http://dx.doi.org/10.1002/nbm.4064DOI Listing
March 2019

Single-phase CT angiography: collateral grade is independent of scan weighting.

Neuroradiology 2019 Jan 4;61(1):19-28. Epub 2018 Oct 4.

Department of Medical Imaging, Division of Neuroradiology, Sunnybrook Health Sciences Centre, AG31e, 2075 Bayview Avenue, Toronto, M4N3M5, Canada.

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http://dx.doi.org/10.1007/s00234-018-2105-2DOI Listing
January 2019

Absolute risk and predictors of the growth of acute spontaneous intracerebral haemorrhage: a systematic review and meta-analysis of individual patient data.

Lancet Neurol 2018 10 14;17(10):885-894. Epub 2018 Aug 14.

Department of Neurology, Massachusetts General Hospital, Boston, MA, USA.

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https://linkinghub.elsevier.com/retrieve/pii/S14744422183025
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http://dx.doi.org/10.1016/S1474-4422(18)30253-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6143589PMC
October 2018

An Algorithm for Managing Intraosseous Vascular Anomalies of the Craniofacial Skeleton.

J Craniofac Surg 2018 May;29(3):622-627

Division of Plastic and Reconstructive Surgery, Sunnybrook Health Sciences Centre, Toronto, Canada.

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http://dx.doi.org/10.1097/SCS.0000000000004014DOI Listing
May 2018

Do Intracerebral Hemorrhage Nonexpanders Actually Expand Into the Ventricular Space?

Stroke 2018 01 22;49(1):201-203. Epub 2017 Nov 22.

From the Department of Diagnostic Imaging, Neuroradiology Section, Ottawa Hospital Research Institute (C.L.) and Division of Neurology, Department of Medicine (D.D.), University of Ottawa, Canada; Ottawa Hospital Research Institute, Canada (D.D.); Vinayaka Neuro Multispecialty Centre, Warangal, India (A.D.); Division of Neuroradiology (R.I.A.) and Department of Medical Imaging (R.I.A.), Sunnybrook Health Sciences Centre, University of Toronto, Canada; Department of Neurology, Hospital Universitari Vall d'Hebron, Barcelona, Spain (D.R.-L., C.A.M.); Department of Neurology, Doctor Josep Trueta University Hospital, Institut d'Investigació Biomèdica Girona Foundation, Spain (Y.S.B.); Department of Neurology, Elblandklinikum Meissen Academic Teaching Hospital of the Technische University, Dresden, Germany (I.D.); Second Department of Neurology, Institute of Psychiatry and Neurology, Warsaw, Poland (A.K.); Department of Experimental and Clinical Pharmacology, Warsaw, Poland (A.K.); Department of Medicine, Charles LeMoyne Hospital, University of Sherbrooke, Montreal, Canada (J.-M.B.); Department of Neurology, Dalhousie University, Halifax, Canada (G.G.); Department of Neurology, All India Institute of Medical Sciences, New Delhi (V.P., R.B.); AMRI Neurosciences Centre, Mukundapur, Kolkata, India (J.R.); Department of Neurology, Boston Medical Center, MA (C.S.K.); and Department of Clinical Neurosciences, Calgary Stroke Program, Hotchkiss Brain Institute, University of Calgary, Canada (M.D.H., A.M.D.).

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http://dx.doi.org/10.1161/STROKEAHA.117.018716DOI Listing
January 2018

The relationship between white matter fiber damage and gray matter perfusion in large-scale functionally defined networks in multiple sclerosis.

Mult Scler 2017 Dec 9;23(14):1884-1892. Epub 2017 Feb 9.

Department of Medical Imaging, Sunnybrook Health Sciences Centre, Toronto, ON, Canada/Department of Medical Imaging, University of Toronto, Toronto, ON, Canada.

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http://dx.doi.org/10.1177/1352458517691149DOI Listing
December 2017

Use of Noncontrast Computed Tomography and Computed Tomographic Perfusion in Predicting Intracerebral Hemorrhage After Intravenous Alteplase Therapy.

Stroke 2017 06 26;48(6):1548-1553. Epub 2017 Apr 26.

From the Calgary Stroke Program, Department of Clinical Neurosciences (P.P., C.D.d., M.N., F.S.A.-A., C.M., L.H., M.D.H., A.M.D., T.T.S., M.G., B.K.M.), Department of Radiology (C.D.d., M.D.H., A.M.D., M.G., T.-Y.L., B.K.M.), Department of Community Health Sciences (P.P., M.D.H., T.T.S., B.K.M.), and Biomedical Engineering Graduate Program (M.E.B.), University of Calgary, Alberta; Hotchkiss Brain Institute, Calgary, Alberta (P.P., M.D.H., A.M.D., T.T.S., M.G., B.K.M.); Seaman Family Research Centre, Foothills Medical Centre, Calgary, Alberta (C.B., C.D.d., M.N., M.E.B., L.H., M.D.H., A.M.D., M.G., B.K.M.); Department of Neuroradiology, Sunnybrook Health Sciences Centre, University of Toronto, Ontario (R.I.A.); Department of Diagnostic Imaging, University Hospital, Florence, Italy (E.F.); Department of Neurology, Hospital Vall d'Hebron, Ps. Vall d'Hebron, Barcelona, Spain (M.R.); Lawson Health Research Institute and Robarts Research Institute, London, Ontario (A.V.K., T.-Y.L.); Department of Clinical Neurosciences, University of Western Ontario (A.V.K.); Department of Neurosciences, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia (F.S.A.-A.); and Department of Neurology, Neuroradiology, Dalhousie University, Halifax, Nova Scotia (J.J.S.S.).

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https://www.ahajournals.org/doi/10.1161/STROKEAHA.117.016616
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http://dx.doi.org/10.1161/STROKEAHA.117.016616DOI Listing
June 2017

CT-based Techniques for Brain Perfusion.

Top Magn Reson Imaging 2017 Jun;26(3):113-119

*Division of Neuroradiology, Department of Medical Imaging, University of Toronto and Sunnybrook Health Sciences Centre †Diagnostic Imaging, The Hospital for Sick Children ‡Division of Neuroradiology, Department of Medical Imaging, University of Toronto and Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1097/RMR.0000000000000129DOI Listing
June 2017

Critical Illness-Associated Cerebral Microbleeds.

Stroke 2017 04 24;48(4):1085-1087. Epub 2017 Feb 24.

From the Department of Medical Imaging (E.M.F., J.M.C., D.M.M.), Department of Pathology (T.-R.K.), and Interdepartmental Division of Critical Care Medicine (M.E.W.), University Health Network, Toronto, Ontario, Canada; Department of Pathology, Mount Sinai Hospital, Toronto, Ontario, Canada (P.S.); Department of Vascular Medicine (M.M.L.) and Department of Neurology (J.M.C.), Academic Medical Center, University of Amsterdam, The Netherlands; Department of Medical Imaging, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada (R.I.A.).

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http://dx.doi.org/10.1161/STROKEAHA.116.016289DOI Listing
April 2017

Imaging biomarkers in Parkinson's disease and Parkinsonian syndromes: current and emerging concepts.

Transl Neurodegener 2017 28;6. Epub 2017 Mar 28.

Institute of Medical Science, Faculty of Medicine, University of Toronto, Toronto, Canada.

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http://dx.doi.org/10.1186/s40035-017-0076-6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5370489PMC
March 2017

Emergency Imaging of Intracerebral Haemorrhage.

Front Neurol Neurosci 2015 12;37:13-26. Epub 2015 Nov 12.

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http://dx.doi.org/10.1159/000437110DOI Listing
September 2016

Ultraearly hematoma growth in active intracerebral hemorrhage.

Neurology 2016 Jul 24;87(4):357-64. Epub 2016 Jun 24.

From the Stroke Unit, Departments of Neurology (D.R.-L., M.R., C.A.M.) and Neuroradiology (P.C., A.T.), Vall d'Hebron University Hospital and Vall d'Hebron Research Institute, Barcelona, Spain; Calgary Stroke Program (M.D.H., A.M.D.), Department of Clinical Neurosciences, Department of Radiology, Hotchkiss Brain Institute, University of Calgary; Department of Medicine, Neurology (D.D.), and Department of Diagnostic Imaging, Neuroradiology Section (C.L.), The Ottawa Hospital, University of Ottawa, Ottawa Hospital Research Institute; Division of Neuroradiology and Department of Medical Imaging (R.I.A.), Sunnybrook Health Sciences Centre, University of Toronto, Canada; Department of Neurology (Y.S.), Dr Josep Trueta University Hospital, Institut d'Investigació Biomèdica Girona Foundation, Spain; Department of Neurology (I.D.), University of Dresden, Germany; 2nd Department of Neurology (A.C.), Institute of Psychiatry and Neurology of Warsaw, Poland; Charles LeMoyne Hospital (J.-M.B.), University of Sherbrooke, Montreal, Canada; Department of Neurology (C.S.K.), Boston Medical Center, MA; Department of Neurology (G.G.), Dalhousie University, Halifax, Canada; Department of Neurology (R.B., V.P.), All India Institute of Medical Sciences, New Delhi; and AMRI Hospital Kolkata (J.R.), India.

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http://dx.doi.org/10.1212/WNL.0000000000002897DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4977111PMC
July 2016

Magnitude of Hematoma Volume Measurement Error in Intracerebral Hemorrhage.

Stroke 2016 Apr 18;47(4):1124-6. Epub 2016 Feb 18.

From the Stroke Unit, Department of Neurology, Vall d'Hebron University Hospital and Vall d'Hebron Research Institute, Barcelona, Spain (D.R.-L., C.A.M.); Calgary Stroke Program, Department of Clinical Neurosciences and Radiology, University of Calgary, Calgary, AB, Canada (D.R.-L., M.B., S.S., E.K., P.J., B.J.D., M.D.H., A.M.D.); Cybertrial Medical Software Inc, Edmonton, Canada (J.C.K.); Department of Medicine, Neurology, The Ottawa Hospital, University of Ottawa, Ottawa Hospital Research Institute, Ottawa, ON, Canada (D.D.); and Division of Neuroradiology and Department of Medical Imaging, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada (R.I.A.).

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http://dx.doi.org/10.1161/STROKEAHA.115.012170DOI Listing
April 2016

Diffusion Tensor Imaging Tractography of the Facial Nerve in Patients With Cerebellopontine Angle Tumors.

Otol Neurotol 2016 Apr;37(4):388-93

*Department of Otolaryngology Head and Neck Surgery, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada †Department of Otolaryngology Head and Neck Surgery, Rabin Medical Center, Petach Tikva, Tel Aviv University, Tel Aviv, Israel ‡Department of Medical Imaging, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada.

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http://content.wkhealth.com/linkback/openurl?sid=WKPTLP:land
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http://dx.doi.org/10.1097/MAO.0000000000000984DOI Listing
April 2016

Predicting Intracerebral Hemorrhage Growth With the Spot Sign: The Effect of Onset-to-Scan Time.

Stroke 2016 Mar 4;47(3):695-700. Epub 2016 Feb 4.

From the Department of Medicine, University of Ottawa and Ottawa Hospital Research Institute, Ottawa, Ontario, Canada (D.D., M.R.); Departments of Neurology (H.B.B., S.M.G., J.R.), Radiology (J.M.R.) and Emergency Medicine (J.N.G.), Massachusetts General Hospital and Harvard Medical School, Boston; Department of Neurosurgery, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands (H.B.B.); Department of Clinical Neurosciences, Hotchkiss Brain Institute and Calgary Stroke Program, University of Calgary, Calgary, Alberta, Canada (A.M.D., M.D.H.); Department of Medical Imaging, Sunnybrook Health Sciences Center, University of Toronto, Toronto, ON, Canada (R.I.A.); Health Sciences Library, University of Ottawa, Ottawa, Ontario, Canada (L.-A.U.); Department of Radiology, Neuroradiology Division, Stanford University, Stanford, CA (M.W.); Department of Neurology, University of California, San Francisco (J.C.H.); Department of Neurological Surgery, Nippon Medical School, Tokyo, Japan (Y.M.); Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China (Yongjun Wang, X.Z., Yilong Wang, N.L.); Department of Neurosurgery, Tokai University, Japan (T. Sorimachi, M.M.); Department of Neurology, University of Heidelberg, Germany (T. Steiner, T.R.); Klinikum Frankfurt Höchst, Germany (T. Steiner); and Department of Medicine, McMaster University, Population Health Research Institute, Hamilton, Ontario, Canada (M.S.).

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http://dx.doi.org/10.1161/STROKEAHA.115.012012DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4766058PMC
March 2016

Perihematomal Edema Is Greater in the Presence of a Spot Sign but Does Not Predict Intracerebral Hematoma Expansion.

Stroke 2016 Feb 22;47(2):350-5. Epub 2015 Dec 22.

From the Stroke Unit, Department of Neurology, Vall d'Hebron University Hospital and Vall d'Hebron Research Institute, Barcelona, Spain (D.R.-L., C.A.M.); Calgary Stroke Program, Department of Clinical Neurosciences and Radiology, Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada (D.R.-L., T.S., S.S., M.D.H., A.M.D.); Department of Medicine, Neurology, The Ottawa Hospital, University of Ottawa, Ottawa Hospital Research Institute, Ottawa, ON, Canada (D.D.); Cybertrial Medical Software Inc, Edmonton, Canada (J.C.K.); Division of Neuroradiology and Department of Medical Imaging, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada (R.I.A.); Department of Neurology, Dr Josep Trueta University Hospital, Institut d'Investigació Biomèdica Girona Foundation, Girona, Spain (Y.S.); Department of Neurology, Elblandkliniken Meissen, Academic Teaching Hospital of University of Dresden, Dresden, Germany (I.D.); Department of Diagnostic Imaging, Neuroradiology Section, The Ottawa Hospital, University of Ottawa, Ottawa Hospital Research Institute, Ottawa, ON, Canada (C.L.); 2nd Department of Neurology, Institute of Psychiatry and Neurology of Warsaw, and Department of Clinical and Experimental Pharmacology, Medical University of Warsaw, Warsaw, Poland (A.C.); Department of Neurology, Charles LeMoyne Hospital, University of Sherbrooke, Montreal, QC, Canada (J.M.B.); Department of Neurology, Boston Medical Center, MA (C.S.K.); Department of Neurology, Dalhousie University, Halifax, NS, Canada (G.G.); Department of Neurology, All India Institute of Medical Sciences, New Delhi, India (R.B., V.P.); and Department of Neurology, Apollo Gleneagles Hospitals, Kolkata, India (J.R.).

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http://dx.doi.org/10.1161/STROKEAHA.115.011295DOI Listing
February 2016

Small intracerebral hemorrhages have a low spot sign prevalence and are less likely to expand.

Int J Stroke 2016 Feb;11(2):191-7

Calgary Stroke Program, Department of Clinical Neurosciences, Hotchkiss Brain Institute, University of Calgary, Calgary, Canada Calgary Stroke Program, Department of Radiology, Hotchkiss Brain Institute, University of Calgary, Calgary, Canada.

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http://wso.sagepub.com/content/11/2/191.full.pdf
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http://wso.sagepub.com/lookup/doi/10.1177/1747493015616635
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http://dx.doi.org/10.1177/1747493015616635DOI Listing
February 2016

Multiphase CT Angiography: A Poor Man's Perfusion CT?

Radiology 2015 Dec;277(3):922-4

Department of Neuroradiology, Stanford University, Stanford, Calif §

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http://dx.doi.org/10.1148/radiol.2015150820DOI Listing
December 2015

Intracerebral Hematoma Morphologic Appearance on Noncontrast Computed Tomography Predicts Significant Hematoma Expansion.

Stroke 2015 Nov 8;46(11):3111-6. Epub 2015 Oct 8.

From the Calgary Stroke Program, Departments of Clinical Neurosciences (A.M.D., M.D.H.) and Radiology (A.M.D., M.D.H.), Hotchkiss Brain Institute, University of Calgary, Calgary, Canada; Department of Neurology, National Neuroscience Institution, King Fahad Medical City, Riyadh, Saudi Arabia (M.A.-H.); Department of Neurology at Kasturba Medical College, Manipal, Karnataka, India (A.D.); Methods Centre, Department of Clinical Epidemiology (W.P.), Neuroradiology Section, Department of Diagnostic Imaging (C.L.), and Department of Medicine (Neurology) (D.D.), Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada; Division of Neuroradiology, Department of Medical Imaging, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Canada (R.I.A.); Department of Neurology, Hospital Universitari Vall d'Hebron, Barcelona, Spain (D.R.-L., C.A.M.); Department of Neurology, Dr Josep Trueta University Hospital, Institut d'Investigació Biomèdica Girona (IDIBGi) Foundation, Girona, Spain (Y.S.B.); Department of Neurology, University of Dresden, Dresden, Germany (I.D.); Second Department of Neurology, Institute of Psychiatry and Neurology, Warsaw, Poland (A.C.); Department of Experimental and Clinical Pharmacology, Medical University of Warsaw, Warsaw, Poland (A.C.); Department of Medicine, Charles LeMoyne Hospital, University of Sherbrooke, Montreal, Canada (J.-M.B.); Department of Neurology, Dalhousie University, Halifax, Canada (G.G.); Department of Neurology, All India Institute of Medical Sciences, New Delhi, India (V.P., R.B.); Department of Neuromedicine, AMRI Neurosciences Centre, Mukundapur, India (J.R.); Department of Neurology, Boston Medical Center, MA (C.S.K.); and Division of Neurology, Department of Medicine, Dalhousie University, Saint John Regional Hospital, Saint John, New Brunswick, Canada (D.B.).

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http://stroke.ahajournals.org/content/46/11/3111.full.pdf
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http://stroke.ahajournals.org/lookup/doi/10.1161/STROKEAHA.1
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http://dx.doi.org/10.1161/STROKEAHA.115.010566DOI Listing
November 2015

Validation of the 9-Point and 24-Point Hematoma Expansion Prediction Scores and Derivation of the PREDICT A/B Scores.

Stroke 2015 Nov 13;46(11):3105-10. Epub 2015 Oct 13.

From the Division of Neuroradiology and Department of Medical Imaging (T.J.H., R.I.A., S.P.S.) and Division of Neurology, Department of Medicine and Brain Sciences Program (D.J.G.), Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Canada; Calgary Stroke Program, Department of Clinical Neurosciences, Department of Radiology, Hotchkiss Brain Institute, University of Calgary, Calgary, Canada (M.D.H., A.M.D.); Department of Medicine (Neurology) (D.D.) and Department of Diagnostic Imaging, Neuroradiology Section, The Ottawa Hospital (C.L.), University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Canada; Department of Medicine and Institute of Health Policy Management and Evaluation, University of Toronto and Li Ka Shing Knowledge Institute of St. Michael's Hospital, Toronto, Canada (A.L.); Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Canada (A.K.); Stroke Unit, Department of Neurology, Vall d'Hebron University Hospital and Vall d'Hebron Research Institute, Barcelona, Spain (C.A.M., D.R.-L.); Department Neurology, Elblandklinikum Meissen, Academic Teaching Hospital of University of Dresden, Meissen, Germany (I.D.); Department of Neurology, Dr Josep Trueta University Hospital, Institut d'Investigació Biomèdica Girona (IDIBGi) Foundation, Girona, Spain (Y.S.); Second Department of Neurology, Institute of Psychiatry and Neurology of Warsaw, Warsaw, Poland (A.K.); Department of Medicine, Charles LeMoyne Hospital, University of Sherbrooke, Montreal, Canada (J.-M.B.); Division of Neurology, Department of Medicine, Dalhousie University, Halifax, Canada (G.G.); Department of Neurology, All India Institute of Medical Sciences, New Delhi, India (R.B., V.P.); Department of Neuromedicine, AMRI Hospitals, Mukundapur, Kolkata, India (J.R.); and Department of Neurology, Boston Medical Center, MA (C.S.K.).

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http://stroke.ahajournals.org/content/46/11/3105.full.pdf
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http://stroke.ahajournals.org/lookup/doi/10.1161/STROKEAHA.1
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http://dx.doi.org/10.1161/STROKEAHA.115.009893DOI Listing
November 2015

Non Tumor Perfusion Changes Following Stereotactic Radiosurgery to Brain Metastases.

Technol Cancer Res Treat 2015 Aug;14(4):497-503

Department of Medical Imaging, Division of Neuroradiology, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada

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http://dx.doi.org/10.1177/1533034614600279DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4639904PMC
August 2015

Acute Multi-modal Neuroimaging in a Porcine Model of Endothelin-1-Induced Cerebral Ischemia: Defining the Acute Infarct Core.

Transl Stroke Res 2015 Jun 15;6(3):234-41. Epub 2015 Apr 15.

Calgary Stroke Program, University of Calgary, 2500 University Dr NW, Calgary, AB, T2N 1N4, Canada.

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http://link.springer.com/10.1007/s12975-015-0394-x
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http://dx.doi.org/10.1007/s12975-015-0394-xDOI Listing
June 2015

The cost-utility of CT angiography and conventional angiography for people presenting with intracerebral hemorrhage.

PLoS One 2014 13;9(5):e96496. Epub 2014 May 13.

Department of Neurology, University of Rochester, Rochester, New York, United States of America; Department of Neurosurgery, University of Rochester, Rochester, New York, United States of America; Department of Imaging Sciences, University of Rochester, Rochester, New York, United States of America.

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0096496PLOS
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4019473PMC
January 2015

Perfusion CT for selecting patients with acute ischemic stroke for intravenous thrombolytic therapy.

Radiology 2015 Jan 19;274(1):103-14. Epub 2014 Sep 19.

From the Institute for Health Policy, Management and Evaluation (K.R.B., M.K.K., A.L.), Department of Medical Imaging (K.R.B., R.I.A., A.R.M.), Institute of Medical Sciences (R.I.A., A.R.M.), and Department of Medicine (M.K.K., A.L.), University of Toronto, 263 McCaul St, 4th Floor, Toronto, ON, Canada M5T 1W7; Department of Medical Imaging, Fraser Health Authority, Vancouver, British Columbia, Canada (D.D.); Department of Medical Imaging, University of British Columbia, Vancouver, British Columbia, Canada (D.D.); Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada (M.K.K.); and Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada (A.L.).

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http://dx.doi.org/10.1148/radiol.14140728DOI Listing
January 2015

Low dose CT perfusion in acute ischemic stroke.

Neuroradiology 2014 Dec 25;56(12):1055-62. Epub 2014 Sep 25.

Sunnybrook Health Sciences Centre, 2075 Bayview Avenue, Room AG 31, Toronto, ON, M4N 3M5, Canada,

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http://dx.doi.org/10.1007/s00234-014-1434-zDOI Listing
December 2014

Dynamic characterization of the CT angiographic 'spot sign'.

PLoS One 2014 3;9(3):e90431. Epub 2014 Mar 3.

Department of Medicine, Ottawa Hospital Research Institute and University of Ottawa, Ontario, Canada; Department of Epidemiology and Community Medicine, Ottawa Hospital Research Institute and University of Ottawa, Ontario, Canada.

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0090431PLOS
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3940908PMC
November 2014

The spot sign and tranexamic acid on preventing ICH growth--AUStralasia Trial (STOP-AUST): protocol of a phase II randomized, placebo-controlled, double-blind, multicenter trial.

Int J Stroke 2014 Jun 26;9(4):519-24. Epub 2013 Aug 26.

Department of Medicine, University of Melbourne, Parkville, Victoria, Australia; Department of Neurology, The Royal Melbourne Hospital, Parkville, Victoria, Australia; The Florey Institute of Neuroscience and Mental Health, Parkville, Victoria, Australia; Department of Neurology, Helsinki University Central Hospital, Helsinki, Finland.

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http://dx.doi.org/10.1111/ijs.12132DOI Listing
June 2014

The CLOQS trial protocol: a cluster-randomized trial evaluating a simple, low-cost intervention to reduce treatment times in acute stroke.

Int J Stroke 2014 Jun 5;9(4):525-8. Epub 2013 Sep 5.

Department of Medicine (Neurology), Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada.

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http://dx.doi.org/10.1111/ijs.12066DOI Listing
June 2014

Venous phase of computed tomography angiography increases spot sign detection, but intracerebral hemorrhage expansion is greater in spot signs detected in arterial phase.

Stroke 2014 Mar 30;45(3):734-9. Epub 2014 Jan 30.

From the Stroke Unit, Department of Neurology, Vall d'Hebron University Hospital and Vall d'Hebron Research Institute, Barcelona, Spain (D.R.-L., C.A.M.); Calgary Stroke Program, Department of Clinical Neurosciences and Radiology, Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada (D.R.-L., T.S., M.D.H., A.M.D.); Departments of Medicine (Neurology) (D.D.) and Diagnostic Imaging, Neuroradiology Section (C.L.), The Ottawa Hospital, University of Ottawa, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Division of Neuroradiology, Department of Medical Imaging, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada (R.I.A., T.J.H.); Department of Neurology, Dr Josep Trueta University Hospital, Institut d'Investigació Biomèdica Girona (IDIBGI) Foundation, Girona, Spain (Y.S.); Department of Neurology, University of Dresden, Dresden, Germany (I.D.); 2nd Department of Neurology, Institute of Psychiatry and Neurology of Warsaw, Warsaw, Poland (A.C.); Department of Neurology, Charles LeMoyne Hospital, University of Sherbrooke, Montreal, Quebec, Canada (J.-M.B.); Department of Neurology, Boston Medical Center, MA (C.S.K.); Department of Neurology, Dalhousie University, Halifax, Nova Scotia, Canada (G.G.); Department of Neurology, All India Institute of Medical Sciences, New Delhi, India (R.B., V.P.); and Department of Neuromedicine, AMRI Hospital Kolkata, Kolkata, India (J.R.).

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http://dx.doi.org/10.1161/STROKEAHA.113.003007DOI Listing
March 2014

Systematic review, critical appraisal, and analysis of the quality of economic evaluations in stroke imaging.

Stroke 2014 Mar 11;45(3):807-14. Epub 2014 Feb 11.

From the Institute of Health Policy, Management and Evaluation (K.R.B., N.P., M.K.K., M.D.K., A.L.), Departments of Medical Imaging (K.R.B., R.I.A., A.R.M.), Surgery, Division of Urology (N.P.), Institute of Medical Science (R.I.A., A.R.M.), Medicine (M.K.K., M.D.K., A.L.), and Toronto Health Economics and Technology Assessment Collaborative (M.D.K.), University of Toronto, Toronto, ON, Canada; Institute for Clinical and Evaluative Sciences, Toronto, ON, Canada (M.K.K.); and Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada (A.L.).

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March 2014

Evolution of computed tomography angiography spot sign is consistent with a site of active hemorrhage in acute intracerebral hemorrhage.

Stroke 2014 Jan 31;45(1):277-80. Epub 2013 Oct 31.

From the Departments of Medicine-Neurology (D.D., G.S., M.H.), Pathology and Laboratory Medicine (J.K.W.), Epidemiology and Community Medicine (D.D., F.M.), Clinical Epidemiology (F.M.), Methods Centre (F.M., W.P.), and Medical Imaging-Neuroradiology (S.C.), University of Ottawa, CHEO Research Institute (F.M.) and Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Department of Medicine, McMaster University, Population Health Research Institute, Hamilton, Ontario, Canada (M.S.); Department of Medical Imaging (Neuroradiology), Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada (R.I.A.); and Departments of Clinical Neurosciences and Radiology, Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada (A.M.D.).

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January 2014

Multicenter accuracy and interobserver agreement of spot sign identification in acute intracerebral hemorrhage.

Stroke 2014 Jan 26;45(1):107-12. Epub 2013 Nov 26.

From the Divisions of Neuroradiology (T.J.H., T.L.C., S.P.S., R.I.A.) and Division of Neurology, Department of Medicine, and Brain Sciences Program (D.J.G.), and Department of Emergency Medicine (J.C.), Sunnybrook Health Sciences and University of Toronto, Toronto, Canada; Department of Neurology, University of Cincinnati, OH (M.L.F., J.P.B.); Departments of Clinical Neurosciences and Radiology, Hotchkiss Brain Institute, University of Calgary, Calagary, Canada (A.M.D.); Department of Neurology, University of Ottawa and Ottawa Hospital Research Institute, Ottawa, Canada (D.D.); Departments of Medicine and Neurology (A.M., S.M.D.) and Neurointerventional Radiology (P.J.M.), Royal Melbourne Hospital, University of Melbourne, Melbourne, Australia; and Department of Public Health Sciences, University of Toronto, Toronto, Canada (G.A.T.).

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January 2014

Bilateral Type II Persistent Proatlantal Intersegmental Arteries.

Can J Neurol Sci 2013 Nov;40(6):873-4

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November 2013

Reperfusion is a stronger predictor of good clinical outcome than recanalization in ischemic stroke.

Radiology 2013 Oct 28;269(1):240-8. Epub 2013 May 28.

Robarts Research Institute, University of Western Ontario, London, Ont, Canada; Department of Medical Imaging, Odette Cancer Centre, and Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, 2075 Bayview Ave, Toronto, ON, Canada M4N 3M5.

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October 2013

Successful pregnancy, epidural anaesthesia, labour, and delivery in a woman with Sturge-Weber syndrome and previous hemispherectomy.

J Obstet Gynaecol Can 2013 Oct;35(10):917-919

Department of Medicine (Neurology), Sunnybrook Health Sciences Centre, University of Toronto, Toronto ON.

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October 2013

Acute Stroke Imaging Research Roadmap II.

Stroke 2013 Sep 16;44(9):2628-39. Epub 2013 Jul 16.

Department of Radiology, University of Virginia, Charlottesville, VA, USA.

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September 2013

Author response.

Neurology 2013 Sep;81(13):1181

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September 2013

Contrast-induced nephropathy and dehydration.

Can Assoc Radiol J 2013 Aug 9;64(3):275. Epub 2013 May 9.

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August 2013

Interobserver agreement of ASPECT score distribution for noncontrast CT, CT angiography, and CT perfusion in acute stroke.

Stroke 2013 Jan 25;44(1):234-6. Epub 2012 Oct 25.

MBCHB, Division of Neuroradiology, Sunnybrook Health Sciences Centre, 2075 Bayview Ave, Toronto, Ontario M4N 3M5, Canada.

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January 2013

Intracerebral hemorrhage: toward physiological imaging of hemorrhage risk in acute and chronic bleeding.

Front Neurol 2012 25;3:86. Epub 2012 May 25.

Department of Medical Imaging, Sunnybrook Health Sciences Centre, Sunnybrook Health Sciences Centre Toronto, ON, Canada.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3360423PMC
October 2012

Rare frontal lobe intraparenchymal epidermoid cyst with atypical imaging.

J Clin Neurosci 2012 Aug 23;19(8):1185-7. Epub 2012 Apr 23.

Division of Neuroradiology, Department of Medical Imaging, Faculty of Medicine, University of Toronto, Toronto, Canada.

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August 2012

Planimetric hematoma measurement in patients with intraventricular hemorrhage: is total volume a preferred target for reliable analysis?

Stroke 2012 Jul 15;43(7):1961-3. Epub 2012 May 15.

Division of Neurology, Department of Medicine, University of Ottawa & Ottawa Hospital Research Insitute, Civic Campus, Room C2182b, 1053 Carling Ave, Ottawa, Ontario, Canada.

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July 2012

Severe hypomagnesemia associated with reversible subacute ataxia and cerebellar hyperintensities on MRI.

Neurologist 2012 Jul;18(4):223-5

Department of Medicine (Neurology), Sunnybrook Health Sciences Centre, Toronto, ON, Canada.

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July 2012

Diffuse ischemia in noncontrast computed tomography predicts outcome in patients in intensive care unit.

Can Assoc Radiol J 2012 May 27;63(2):129-34. Epub 2011 Jul 27.

Department of Neuroradiology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.

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May 2012

The evolution of the cerebral blood volume abnormality in patients with ischemic stroke: a CT perfusion study.

Acta Radiol 2012 May 20;53(4):461-7. Epub 2012 Mar 20.

Lawson Health Research Institute, London, Ontario, Canada.

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May 2012

NASCET percent stenosis semi-automated versus manual measurement on CTA.

Can J Neurol Sci 2012 May;39(3):343-6

Division of Neuroradiology, Department of Medical Imaging, University of Toronto, Toronto, Ontario, Canada.

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May 2012

Case 178: Parry-Romberg syndrome.

Radiology 2012 Feb;262(2):721-5

Division of Neuroradiology, Department of Medical Imaging, Sunnybrook Health Sciences Centre, University of Toronto, 2075 Bayview Ave, Room AG31D, Toronto, ON, Canada M4N 3M5.

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February 2012

Case of the month #171: osteogenesis imperfecta of the temporal bone.

Can Assoc Radiol J 2011 Nov;62(4):296-8

Department of Medical Imaging, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Canada.

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November 2011

Quantomo: validation of a computer-assisted methodology for the volumetric analysis of intracerebral haemorrhage.

Int J Stroke 2011 Aug 28;6(4):302-5. Epub 2011 Jan 28.

Department of Electrical and Computer Engineering, University of Calgary, Calgary, AB, Canada.

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August 2011

Case of the month #166: synovial chondromatosis of the temporal mandibular joint.

Can Assoc Radiol J 2011 May;62(2):151-3

Division of Neuroradiology, Department of Medical Imaging, University of Toronto, Toronto, Ontario, Canada.

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May 2011

Susac's Syndrome.

Can J Neurol Sci 2011 Mar;38(2):335-7

Division of Neuroradiology, Department of Medical Imaging, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.

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March 2011

The relationship between indoleamine 2,3-dioxygenase activity and post-stroke cognitive impairment.

J Neuroinflammation 2011 Feb 16;8:17. Epub 2011 Feb 16.

Neuropsychopharmacology Research Group, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3055827PMC
February 2011

Spinal neurocysticercosis manifesting as recurrent aseptic meningitis.

Can J Neurol Sci 2010 Nov;37(6):878-80

Department of Medicine (Neurology), Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.

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November 2010

The spot sign is more common in the absence of multiple prior microbleeds.

Stroke 2010 Oct 2;41(10):2210-7. Epub 2010 Sep 2.

Division of Neuroradiology, Department of Medical Imaging, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada.

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October 2010

Intrinsic arteriovenous malformation of the trigeminal nerve.

Can J Neurol Sci 2010 Sep;37(5):681-3

Division of Neuroradiology, Department of Medical Imaging, University of Toronto, Toronto, Ontario, Canada.

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September 2010

Characterization of carotid plaque hemorrhage: a CT angiography and MR intraplaque hemorrhage study.

Stroke 2010 Aug 24;41(8):1623-9. Epub 2010 Jun 24.

Division of Neuroradiology, Department of Medical Imaging, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1161/STROKEAHA.110.579474DOI Listing
August 2010

Reproducibility of semi-automated measurement of carotid stenosis on CTA.

Can J Neurol Sci 2010 Jul;37(4):498-503

Division of Neuroradiology, Department of Medical Imaging, University of Toronto, Toronto, Ontario, Canada.

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July 2010

Comparison of computed tomography angiography with digital subtraction angiography in the assessment of clipped intracranial aneurysms.

J Comput Assist Tomogr 2010 May-Jun;34(3):440-5

Division of Neuroradiology, Department of Medical Imaging, University of Toronto, Toronto, Canada.

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http://dx.doi.org/10.1097/RCT.0b013e3181d27393DOI Listing
June 2010

Aspergillosis of the Petrous Apex and Meckel's Cave.

Skull Base 2010 May;20(3):189-92

Division of Neuroradiology, Department of Medical Imaging, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1055/s-0029-1246229DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3037105PMC
May 2010

Certainty of stroke diagnosis: incremental benefit with CT perfusion over noncontrast CT and CT angiography.

Radiology 2010 Apr;255(1):142-53

Department of Diagnostic Imaging, Division of Neuroradiology, Room AG 31, Sunnybrook Health Sciences Centre, 2075 Bayview Ave, Toronto, ON, Canada M4N 3M5.

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April 2010

Thoracic myelopathy from coincident fluorosis and epidural lipomatosis.

Can J Neurol Sci 2010 Mar;37(2):276-8

Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.

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March 2010

Cavum septi pellucidi in boxers.

Can Assoc Radiol J 2010 Feb 25;61(1):29-32; quiz 1-2. Epub 2009 Oct 25.

Department of Neuroradiology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.

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February 2010

Magnetic resonance imaging of facial nerve schwannoma.

Laryngoscope 2009 Dec;119(12):2428-36

Division of Neuroradiology, Department of Medical Imaging, University of Toronto, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1002/lary.20644DOI Listing
December 2009

Crescendo transient Aura attacks: a transient ischemic attack mimic caused by focal subarachnoid hemorrhage.

Stroke 2009 Dec 5;40(12):3725-9. Epub 2009 Nov 5.

Dr Thomas and Harriet Black Acute TIA Unit and Regional Stroke Prevention Clinic, Division of Neurology and Brain Sciences Program, Sunnybrook Health Sciences Centre, Department of Medicine, University of Toronto, Toronto, Toronto, Ontario Canada.

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December 2009

Spinal epidural hematoma following epidural catheter removal in a paraplegic patient.

J Clin Anesth 2009 Nov;21(7):525-8

Department of Anesthesiology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada.

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http://dx.doi.org/10.1016/j.jclinane.2008.12.020DOI Listing
November 2009

Radiation dose from multidetector row CT imaging for acute stroke.

Neuroradiology 2009 Oct 9;51(10):635-40. Epub 2009 Jun 9.

Department of Medical Imaging, Division of Neuroradiology, Sunnybrook Health Sciences Center, University of Toronto, Toronto, ON, Canada.

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http://link.springer.com/10.1007/s00234-009-0543-6
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October 2009

Chondromyxoid fibroma of the mastoid facial nerve canal mimicking a facial nerve schwannoma.

Laryngoscope 2009 Jul;119(7):1380-3

Division of Neuroradiology, Department of Medical Imaging, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada.

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http://doi.wiley.com/10.1002/lary.20486
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July 2009

Defining the CT angiography 'spot sign' in primary intracerebral hemorrhage.

Can J Neurol Sci 2009 Jul;36(4):456-61

Division of Neuroradiology, Department of Medical Imaging, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.

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July 2009

Traumatic stapes fracture with rotation and subluxation into the vestibule and pneumolabyrinth.

Laryngoscope 2009 Jun;119(6):1195-7

Division of Neuroradiology, Department of Medical Imaging, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1002/lary.20234DOI Listing
June 2009

Postcontrast CT extravasation is associated with hematoma expansion in CTA spot negative patients.

Stroke 2009 May 12;40(5):1672-6. Epub 2009 Mar 12.

Department of Medical Imaging, Division of Neuroradiology, Sunnybrook Health Sciences Centre, University of Toronto, Ontario, Canada.

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http://dx.doi.org/10.1161/STROKEAHA.108.541201DOI Listing
May 2009

CTA, MR, and MRA imaging of carotidynia: case report.

Can J Neurol Sci 2009 May;36(3):373-5

Division of Neuroradiology, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada.

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May 2009

Hemorrhagic transformation of ischemic stroke: prediction with CT perfusion.

Radiology 2009 Mar;250(3):867-77

Division of Neuroradiology, Sunnybrook Health Science Centre, Toronto, Ontario, Canada.

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http://dx.doi.org/10.1148/radiol.2503080257DOI Listing
March 2009

Comparison of CTA to DSA in determining the etiology of spontaneous ICH.

Can J Neurol Sci 2009 Mar;36(2):176-80

Division of Neuroradiology, Department of Medical Imaging, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.

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March 2009

Traumatic Cervical Vertebral Artery Transection Associated with a Dural Tear Leading to Subarachnoid Extravasation.

Eur J Trauma Emerg Surg 2009 Feb 17;35(1):67-70. Epub 2008 Jul 17.

Division of Neuroradiology, Department of Medical Imaging, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada.

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http://dx.doi.org/10.1007/s00068-008-7184-zDOI Listing
February 2009

Intracranial arterial fenestrations: frequency on CT angiography and association with other vascular lesions.

Surg Radiol Anat 2008 Jul 19;30(5):397-401. Epub 2008 Mar 19.

Division of Neuroradiology, Department of Medical Imaging, Sunnybrook Health Sciences Centre, University of Toronto, 2075 Bayview Avenue, AG33A, Toronto, ON, Canada.

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http://link.springer.com/10.1007/s00276-008-0340-7
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July 2008

Automatic volumetry on MR brain images can support diagnostic decision making.

BMC Med Imaging 2008 May 23;8. Epub 2008 May 23.

Division of Neurosciences and Mental Health, Imperial College London, Hammersmith Campus, Du Cane Road, London, UK.

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http://dx.doi.org/10.1186/1471-2342-8-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2413211PMC
May 2008

Vascular and nonvascular mimics of the CT angiography "spot sign" in patients with secondary intracerebral hemorrhage.

Stroke 2008 Apr 21;39(4):1177-83. Epub 2008 Feb 21.

Department of Medical Imaging, Sunnybrook Health Sciences Centre, University of Toronto, Ontario, Canada.

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April 2008