Department of Radiology

Spine Imaging: A Virtual Conference.

Spine Imaging: A Virtual Conference.

Disclosures/Conflict of Interest

Speakers and Planning Committee members will be requested to disclose to the audience any real or apparent conflict(s) of interest that may have a direct bearing on the subject matter of this program.

Carlos Torres MD, FRCPC. Co-Course Director


 Dr. Carlos Torres is a Professor of Radiology at the University of Ottawa Faculty of Medicine and a staff neuroradiologist at The Ottawa Hospital since 2008. Before joining uOttawa and the Department of Diagnostic Imaging at The Ottawa Hospital, Dr. Torres completed a two-year Neuroradiology Fellowship at McGill University in Montreal.

Dr. Torres is the former Program Director of the Royal College Accredited Neuroradiology Fellowship Program at uOttawa, position he held from 2010 to 2016.  He is a member of the Royal College Neuroradiology Examination Board and has been the Director and Co-Director of multiple CME Courses in Europe, North America and Latin America.

Dr. Torres is in the Executive Committee of the Eastern Neuroradiological Society (ENRS), he is the Chair of the International Scientific Committee for the Ibero Latin American Society of Neuroradiology (SILAN), a member of the Executive and Organizing Committee of the European Course of Diagnostic and Interventional Neuroradiology in Latin America, a member of the Organizing Committee of the 2022 World Federation of Neurological Sciences WFNRS Symposium Neuroradiologicum, in New York and the Director of the Neuroradiology Chapter for the Interamerican College of Radiology. In addition, Dr. Torres serves in multiple committees for the RSNA, ARRS and ASER.  

Dr. Torres has given more than 280 national and international invited lectures and is regularly invited to speak at all the major Radiology and Neuroradiology Meetings including: RSNA, ARRS, ISMRM, ASNR, ASSR, ASHNR, ASER, ENRS and CAR. He is an International Visiting Professor for RSNA, ASNR, ARRS and for the Interamerican College of Radiology (CIR). He has been Visiting Professor in multiple academic centres in the US and Canada as well as in Asia, Central and South-America, including Brazil, Colombia, El Salvador, Chile, Bhutan, China, Myanmar and Mongolia.

Dr. Torres is actively involved in medical education and research; his main areas of interest include vascular pathologies, brachial plexus imaging, spine and tumor imaging. He has multiple peer-reviewed publications and has written 16 book chapters. He is an Editor of the journal 3D Printing in Medicine, and a reviewer for multiple national and international journals including AJNR, CARJ and European Radiology. 

He has received numerous departmental, national and international awards for his teaching and research including undergrad teacher of the year award, fellow teacher of the year award, and most recently the 2017 RSNA Honored Educator Award.  In 2017, he received the National Order of Merit Award in the Rank of Officer from the Republic of Colombia (equivalent to The Order of Canada) for his scientific contributions in the field of Diagnostic Neuroradiology and he was appointed as Distinguished Professor of Radiology at Henan Provincial People's Hospital, Zhengzhou University in China. Most recently, he received the 2018 Anne G. Osborn ASNR Outreach Professor Award to represent the American Society of Neuroradiology in Myanmar and he was selected as Outreach International Visiting Professor to represent the ARRS in Valladolid, Spain in April 2019.

Disclosures: I do not have an affiliation (financial or otherwise) with any for-profit or not-for-profit organizations. 

Marcos Sampaio, MD. Co-Course Director

Dr. Marcos Loreto Sampaio is an assistant professor in the Department of Radiology at the University of Ottawa. He has also been a part of the MSK radiology team at The Ottawa Hospital (TOH) since 2009 and practices both MSK diagnostic imaging and procedures. He is the MSK radiology fellowship director, MSK residency supervisor, X-rays modality lead of the department and Radiation Protection Officer of the TOH General Campus.

Dr. Sampaio has authored and co-authored articles and book chapters on MSK imaging and he is a reviewer for radiology and skeletal journals. He was also named best clinical teacher by undergraduate students, radiology residents, and MSK radiology fellows.

His publication list can be accessed on his Google page.



Amit Aggarwal, MD

Amit Aggarwal, M.D. is an Assistant Professor of Radiology in the Division of Neuroradiology at The Icahn School of Medicine at Mount Sinai.  He is a board-certified Radiologist with specialty certification in Neuroradiology. He currently serves as the Neuroradiology Fellowship Program Director.

Dr. Aggarwal is a graduate of SUNY Downstate Medical Center, followed by a residency in Diagnostic Radiology at The Mount Sinai Hospital in New York where he was selected to serve as Chief Resident.  Dr. Aggarwal then completed a fellowship in Diagnostic Neuroradiology at Mount Sinai.

Disclosures: I do not have an affiliation (financial or otherwise) with any for-profit or not-for profit organizations. 

Timothy J. Amrhein, MD

Dr. Amrhein is an Associate Professor of Radiology at Duke University Medical Center where he serves as the Director of Spine Intervention. Dr. Amrhein was born and raised in New York before moving to North Carolina for residency training in Diagnostic Radiology at Duke, where he was chief resident and stayed to complete a Neuroradiology fellowship. His primary clinical interests center on improving patient care via imaging guided spine interventions, with a particular focus on pain relief and spontaneous intracranial hypotension.

Dr. Amrhein has published considerably on topics in spine intervention in the form of research manuscripts, book chapters, and textbooks, and has presented his work nationally and internationally. He has received several research grants for his work including the Radiological Society of North America Research Scholar Grant, the Spine Intervention Society Research Grant, the American Heart Association Bugher Fellowship, and the American Society of Neuroradiology Comparative Effectiveness Award.

Disclosures: I do not have an affiliation (financial or otherwise) with any for-profit or not-for profit organizations.


Sibel Z. Aydin, MD

 Dr. Aydin has been working as an Associate Professor at University of Ottawa, Division of Rheumatology since 2015. She has also been the director of research of the same institute since 2018. She has recently been awarded with Tier 2 Research award.Dr. Aydin passed her medical degree in 2000, at Istanbul University, Istanbul Faculty of Medicine. She then completed her internal medicine residency in 2004 and rheumatology in 2009, both at Marmara University Faculty of Medicine. Between 2009-2011, she had been involved in research projects on the effect of enthesitis in the pathogenesis of psoriatic arthritis, in University of Leeds, UK. 

Spondyloarthritis has been her major interest area. She has multiple projects on the role of enthesitis in spondyloarthritis and the role of biomechanical factors in the disease course. She is one of the co-leaders of the  GRAPPA (Group for Research and Assessment of Psoriasis and Psoriatic Arthritis) Ultrasonography committee and is currently leading international projects. She is also the principle investigator of the Ontario Spondyloarthritis registry. Dr. Aydin has more than 120 publications in peer-reviewed journals.  



Received/will receive a grant or an honorarium from a for-profit or not-for-profit organization Research: Abbvie, UCB, Pfizer, Novartis, Amgen

Speaker: Abvie, Novartis, Jannsen, UCB, Celgene, Pfzier

Member of an advisory board or speakers’ bureau.Consultant/Advisory Boards: Abbvie, Novartis, UCB, Pfizer, Sonofi, Celgene

Marcelo Bordalo, MD


Dr. Bordalo is a Radiologist, chief of Radiology at the Orthopedic Institute (University of Sao Paulo Medical School) and Division chief of Musculoskeletal radiology at Hospital Sirio Libanes (Sao Paulo, Brazil).

Disclosures: I do not have an affiliation (financial or otherwise) with any for-profit or not-for profit organizations.

Wende Gibbs, MD

Wende Gibbs, MD is currently an Associate Professor of Neuroradiology at Mayo Clinic, AZ. She is former director of Spine Imaging and Intervention at the University of Southern California, where she joined after completing a two year neuroradiology and spine fellowship at Barrow Neurological Institute. She is a frequently invited speaker at national and international meetings, and holds leadership and committee positions in many of the professional and educational radiology societies. She is podcast host for the American Journal of Neuroradiology, host of the American Society of Neuroradiology Educational Webinar, and co host of the Virtual Global Spine Conference. Her professional interests are spine imaging and intervention, oncology, patient-centered care, artificial intelligence and machine learning.

Disclosures: I do not have an affiliation (financial or otherwise) with any for-profit or not-for profit organizations.

Zaid Jibri, MBCHb, MRCSEd, FRCR

Dr. Zaid Jibri is a musculoskeletal radiologist in the Department of Medical Imaging at The Ottawa Hospital. He is the director of musculoskeletal radiology fellowship program at the University of Ottawa. His clinical and academic interests include sports medicine, ankle imaging, patellofemoral joint disorders and spondyloarthritis. He is actively involved in multimodality imaging research projects within the Department of Radiology and also in collaboration with researchers from the Divisions of Orthopaedic Surgery and Rheumatology at the University of Ottawa. Dr. Jibri is a member of the International Skeletal Society (ISS).

His publication list can be accessed on his Google page. 

Disclosures: I do not have an affiliation (financial or otherwise) with any for-profit or not-for-profit organizations

Peter G. Kranz, MD


Dr. Kranz is a board-certified neuroradiologist practicing at Duke University Medical Center, where he holds the rank of Associate Professor of Radiology. He also serves as the Division Chief of the division of Neuroradiology in the Department of Radiology.

After completing his undergraduate education at Georgetown University, he earned his medical degree from the University of North Carolina, Chapel Hill. He completed an internship at the University of Maryland Medical Center, followed by a residency in Diagnostic Radiology and a fellowship in Neuroradiology at Duke University Medical Center.

Dr. Kranz has published more than 65 articles in the peer-reviewed literature. His areas of interest include Spontaneous Intracranial Hypotension and CT-guided spine procedures.


I intend to make therapeutic recommendations for medications that have not received regulatory approval (i.e., “off-label” use of medications).

I acknowledge that the National Standard requires that any description of therapeutic options utilize generic names (or both generic and trade names) and not reflect exclusivity and branding.

Member of an advisory board or Speaker’s bureau: Spinal CSF Leak Foundation (not for profit charitable foundation. Medical board advisory- unpaid)

Roy F. Riascos


Dr. Riascos is a Professor with tenure of Radiology and Neurosurgery with the University of Texas McGovern Medical School at Houston. He is Chief of the Section of Neuroradiology, Vice chair for innovation and Technology DI and Director, Center of Advanced Imaging Processing, Memorial Hermann Hospital System, Houston, TX. Dr. Riascos also is the Lead Neuroradiologist for Astronaut Health as well as a member of the NASA Space Induced Intracranial Hypertension (VIIP) Imaging Working Group. 2011 to present

He has more than 110 Peer Reviewed Publications book chapters and  textbooks. He has received numerous awards and honours from the RSNA, ASNR and ASSR. 

Leon D. Rybak, MD

Dr. Leon Rybak is an Associate Professor of Radiology and the Vice Chair of Operations for Radiology at NYU Langone Health.

Dr. Rybak completed his radiology residency at Mount Sinai Medical Center in New York and a fellowship in Musculoskeletal Imaging at Massachusetts General Hospital. He has worked as an attending radiologist at Massachusetts General Hospital, Hospital for Special Surgery and NYU Langone Health. His interests include musculoskeletal interventional procedures, imaging of orthopedic implants and tumor imaging. He is also actively engaged in quality and safety initiatives as part of his administrative role.


Disclosures: I do not have an affiliation (financial or otherwise) with any for-profit or not-for profit organizations.

Nader Zakhari, MD, FRCPC

Dr. Nader Zakhari completed his radiology training at the University of Ottawa in 2016, followed by a two-year clinical fellowship at the University of Ottawa in Neuroradiology. He is an Assistant Professor at the University of Ottawa and works as a radiologist in the division of Neuroradiology, in the Department of Medical Imaging at The Ottawa Hospital. His special interest are in Advanced MR imaging of brain tumors, and spine imaging & interventions. Dr. Zakhari received the Staff Radiologist Teacher of the Year award in 2017 and the Fellow Teacher of the Year award in 2015 and 2016.

Disclosures: I do not have an affiliation (financial or otherwise) with any for-profit or not-for profit organizations.