William T. Couldwell,
MD, PhD, FACS
Languages Spoken: English, French
Dr. Couldwell specializes in Neurosurgery, Brain Tumors, Brain Aneurysms, Skull Base Surgery, Stroke, Traumatic Brain Injury, Head Trauma and Neuro Critical Care.
William T. Couldwell, MD, PhD serves as Professor and Chair of the Department of Neurosurgery at the University of Utah. He has served as Director of the American Board of Neurological Surgery. He was President of the American Association of Neurological Surgeons (AANS), and American Academy of Neurological Surgery (AAcNS). Dr. Couldwell has over 450 peer-reviewed publications and has been the recipient of several federal and other research grants. Dr. Couldwell is recognized internationally for his expertise in skull base surgery and is regularly solicited as a speaker and to instruct courses in skull base surgery. His clinical interests include surgical management of skull base tumors, neuro-oncology, pituitary tumors, and cerebrovascular neurosurgery.
Clinical Locations
801-585-6065
Board Certification and Academic Information
| Academic Departments | Neurosurgery
-
Professor Surgery - Adjunct Professor |
| Academic Divisions | Adult Neurosurgery Otolaryngology-Head and Neck Surgery |
| Board Certification | American Board of Neurological Surgery (Neurosurg) Licentiate of the Medical Council of Canada National Board of Medical Examiners |
Patient Rating
The Patient Rating score is an average of all responses to care provider related questions on our nationally-recognized Press Ganey Patient Satisfaction Survey.
Responses are measured on a scale of 1 to 5 with 5 being the best score.
Likelihood of recommending care provider
4.8/ 5
Care provider's explanation of condition/problem
4.7/ 5
Care provider's effort to include me in decisions
4.7/ 5
Wait time at clinic
4.1/ 5
Care provider's concern for questions & worries
4.7/ 5
Patient Comments
Patient comments are gathered from our Press Ganey Patient Satisfaction Survery and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.
UofU Patient
July 18, 2020
CLINICAL NEUROSCIENCES CENTER
All was Perfect!
UofU Patient
May 17, 2020
CLINICAL NEUROSCIENCES CENTER
because of the covid issue, I felt that the way information was relayed to me and my spouse about my furthering care were lacking
UofU Patient
May 04, 2020
CLINICAL NEUROSCIENCES CENTER 1
dr C and staff were Great
UofU Patient
October 21, 2019
CLINICAL NEUROSCIENCES CENTER 1
It was incredible. They were the first team to give me a name for what was going on. They sat and answered every question without there ever being the pressured feeling like I was wasting their time.
UofU Patient
October 04, 2019
CLINICAL NEUROSCIENCES CENTER 1
Dr Cauldwell has always been concerned and caring
UofU Patient
October 02, 2019
CLINICAL NEUROSCIENCES CENTER 1
The doctor and his staff treated me with kindness and respect. The doctor took his time and allowed me to ask questions. I have seen other specialists for different things and Dr. Couldwell has one of the best bedside manners I've seen.
UofU Patient
September 10, 2019
CLINICAL NEUROSCIENCES CENTER 1
good
UofU Patient
September 06, 2019
CLINICAL NEUROSCIENCES CENTER 1
He allowed me to propose the idea of what I wanted to do in regards to my condition and educated me on the risks and benefits to allow me to make a decision for treatment.
UofU Patient
September 05, 2019
CLINICAL NEUROSCIENCES CENTER 1
Dr. Cauldwell was very good in explaining what my condition was , why he was having to do surgery, and how the surgery would be performed. He answered all of my questions while showing me my MRI and discussing what he saw on my brain scan. I was very impressed and happy with my experience with him.
UofU Patient
July 26, 2019
CLINICAL NEUROSCIENCES CENTER 1
good
UofU Patient
June 20, 2019
CLINICAL NEUROSCIENCES CENTER 1
I was so happy with the care both Dr. Couldwell and his associate Dr. Cohen provided!
UofU Patient
June 14, 2019
CLINICAL NEUROSCIENCES CENTER 1
Dr explained everything and I was able to understand and left with no worries....
UofU Patient
May 21, 2019
CLINICAL NEUROSCIENCES CENTER 1
There were too many staff in the room...the surgeon, his fellow and two trainees. I felt the Surgeons explanations were directed more to the trainees than to me, the patient. When it's the first visit for something as serious as a brain tumor, it should be the fellow and the surgeon, nobody else. When I asked questions I almost felt as if I was interrupting his comments to the trainees. If it hadn't been for the Fellow seeing me first and answering questions in a cordial manner prior to the Surgeon and his entourage entering the room, it would have been a wasted trip
UofU Patient
April 25, 2019
CLINICAL NEUROSCIENCES CENTER 1
Dr. Couldwell and Dr. Cohen were very informatiive, spoke clearly and were straightforward. I very a great deal of confidence in them.
UofU Patient
July 13, 2018
CLINICAL NEUROSCIENCES CENTER 1
the whole staff was fantastic.
UofU Patient
April 03, 2018
good
UofU Patient
February 06, 2018
Love Dr Couldwell and staff!! Excellent care. I appreciate all they have done
UofU Patient
January 27, 2018
Dr Couldwell was thorough with information from the MRI and what he recommended. His office was instrumental with getting appointments with other doctors for related appointments before surgery.
UofU Patient
December 15, 2017
Dr. Couldwell is excellent. His trainee doctor can use some training on nice patient interaction.
UofU Patient
January 27, 2017
Dr Cauldwell is wonderful, I appreciate him very much! NP Karen Mueller and Dr Alzhrani are also wonderful and make me feel cared for.
UofU Patient
October 31, 2016
Dr didn't like it when I mentioned what "other" doctors had said about my childs diagnosis. I politely asked him to talk to the other doctors involved. I don't know how much time he spent on her case, but I got the impression that it wasn't very long.
UofU Patient
August 18, 2016
we have been so impressed with not only Dr Couldwell but his entire staff. he constantly takes time to answer all of my questions and provide information that is helpful. His nurses and other staff are also so timely at responding to questions and helping out with everything. we could not be more pleased with how amazing they all were in taking the time to help us through a very scary ordeal.
UofU Patient
July 12, 2016
Only because of the terrible wait time.
UofU Patient
April 19, 2016
The only thing I was upset about is that I didn't feel like my feelings about having my tumor removed were being taken into consideration especially with the health problems I have.
UofU Patient
January 06, 2016
Your staff was amazing!
UofU Patient
June 23, 2015
all good
UofU Patient
May 30, 2015
we appreciate Dr Couldwell's great care & information about husband's condition.
UofU Patient
May 01, 2015
I feel very fortunate to have met and have Dr. Couldwell and his team taking care of me.
UofU Patient
April 26, 2015
Dr. Couldwell is an excellent professional. I fully trust him with the outcome of my forthcoming surgery.
UofU Patient
March 30, 2015
Dr William Couldwell is a courteous and awesome doctor. I highly recommend to family and friends. Summer Stout is a fantastic nurse. Her smile and customer service is very wonderful.
UofU Patient
March 15, 2015
Everything was first rate,including the behvaior and comments of the residenr.
UofU Patient
February 27, 2015
great staff
UofU Patient
January 09, 2015
Dr. Couldwell is the best.
UofU Patient
December 27, 2014
A very good experience.
UofU Patient
October 28, 2014
Dr. Couldwell is an excellent doctor and also an excellent person.
UofU Patient
October 13, 2014
Overall it was an excellent experience. I would have liked to seen written instructions at the consult, instead of getting them 10 minutes before I checked out after the operation. It would have given me time to consider additional questions. And given that actual time with doctors (other than the consult) was very short, that would have been helpful.
UofU Patient
October 07, 2014
Dr Couldwell does an exceptional job!
UofU Patient
September 03, 2014
Only problem was confusion between surgeon visit and follow up doctor. We just needed clarification on follow up details
UofU Patient
August 28, 2014
Always a great experience with expert staff.
UofU Patient
August 26, 2014
Dr. Couldwell is an amazing and very knowledgeable doctor. Fully trust him with my life.
UofU Patient
August 22, 2014
The only concern that I have at this time is, the Dr. told me that he would get back to me today (Thursday) to give me more information as to when and if the surgery is going to be..
UofU Patient
August 04, 2014
great employees
UofU Patient
August 01, 2014
Sometimes a lot lo info given right after being woke up so made it hard to process for awhile
UofU Patient
July 18, 2014
Dr Cauldwell was patient and took the time to answer all my questions without making me feel rushed. It was a great experience with such a well respected and super busy Doctor.
UofU Patient
July 18, 2014
Dr Couldwell is an excellent doctor. Not too much on conversation but he is very friendly and concerned. He put us at ease and we had total confidence in him to help my husband through his illness.
UofU Patient
July 03, 2014
Dr. Couldwell is a wonderful physician and a pleasure to visit with. He explains things so that I understand them, and is very modest about his accomplishments. I couldn't have asked for a better surgeon to operate on my tumor. I would highly recommend him to anyone in need of his skills and expertise.
UofU Patient
June 15, 2014
Thank you!
UofU Patient
May 06, 2014
Thank you Dr. Cutler and Dr. Couldwell. I feel I'm in good hands and look forward to my surgery. I appreciate your efforts to help me feel comfortable. You gave me a peace of mind that all will be well.
UofU Patient
March 01, 2014
I am very fortunate to be in such caring and capable hands.
UofU Patient
January 09, 2014
experienced, skilled and thorough surgeon
UofU Patient
November 18, 2013
I hope I never have to but I would definitely, without hesitation refer your office to anyone who needs a neurosurgeon.
UofU Patient
October 18, 2013
Dr. Couldwell showed me my MRI's before and after he removed my tumor. He is very nice and helpful! Kudos to him and to all of the U of U. Best hospital i've ever experienced in SLC. <3 Thank you for what you do.
UofU Patient
August 16, 2013
So nice and caring. Very professional, I'm lucky to have dr. Couldwell as my surgeon
UofU Patient
August 07, 2013
Dr. Couldwell was doing surgery, but did come up and sit with me and explain my tumor and the options I had concerning the tumor. i felt very confident in him and his ability to treat me.
UofU Patient
August 05, 2013
After the initial shock, I felt I was in good hands.
UofU Patient
July 09, 2013
Amazing experience. I was scared and now I feel so at ease knowing the capable hands I will be in!
UofU Patient
May 18, 2013
Dr. Couldwell was blunt, which I appreciated, and wanted. I don't need a doctor to sugar-coat things. I asked questions, he answered them honestly, in terms I could understand. I would recommend him, in a heartbeat!
UofU Patient
April 27, 2013
All excellent.
UofU Patient
April 03, 2013
In regards to the medication issue, I was given good information about weening myself off Kepra, but only after I asked a question about it. I'm not sure he would have considered telling me anything else about it on his own even though the nurse's assistant had already notated in the chart that I was still taking this medication.
UofU Patient
April 03, 2013
I am very pleased with the time the doctors have taken to explain, answer questions, and discuss future care of my condition. I am very happy with the results of today's visit. I am very confidant and pleased with the expertise and care of the doctors.
UofU Patient
April 01, 2013
The care provider that removed the staples recommended that if I had difficulty with BM's that I should contact ER. That proved to be an excellent suggestion which blessed my life.
UofU Patient
March 01, 2013
Dr. Couldwell and his staff is just awesome, thank you for your care and concern for my quality of life.
UofU Patient
March 01, 2013
I enjoyed conversing with the medical staff and the Doctors. They were friendly, caring of me and my family, and clear in their explanations.
UofU Patient
February 16, 2013
Dr. Couldwell is a real gentleman
UofU Patient
February 15, 2013
Dr. Cauldwell was very polite, detailed, and clear in his explanations. I enjoyed his demeanor and positivity.
UofU Patient
December 03, 2012
Dr. Couldwell,Dr. Cote and Margie are Great,especially if they make me better.
UofU Patient
December 02, 2012
Great Doctors
UofU Patient
November 20, 2012
My whole experience was outstanding.
UofU Patient
November 18, 2012
No medications were discussed.
UofU Patient
October 26, 2012
We felt very blessed and confident with the staff. Everyone with whom we spoke gave us excellent comments on Dr Couldwell. We enjoyed visiting with all the people on his team for our surgery.
UofU Patient
October 20, 2012
Very impressed with Dr. Couldwell Thank you
UofU Patient
October 03, 2012
I felt like I wasn't able to spend much time with Dr. Cauldwell and that would be my only complaint. He seemed like he had t rush though things
UofU Patient
October 02, 2012
Dr. Couldwell has been very informative and educational about our experience. I had some interest in the actual procedure and should have asked more questions about the process of my surgery. He is a busy man and at times, I felt because of this that we needed to be respectful of his time. Would love some time to have they type of discussion that takes place over a lunch meal asking questions about my condition.
UofU Patient
July 19, 2012
Only possitive comments! Awesome doctor! He saved my life.
UofU Patient
July 11, 2012
I felt Dr. Couldwell and the other doctors who helped me were attentive and informative.
UofU Patient
July 06, 2012
Dr Couldwell is a fabulous doctor. He was so patient in explaining my condition and answered all of our questions. I feel confident in him as a provider
UofU Patient
March 27, 2012
Dr. Couldwell is so reserved,but he his a great doctor,he doesn't talk much,but explain everything perfectly
UofU Patient
March 24, 2012
Doctor Couldwell has my complete confidence......in every way. extremely competent, concerned, informative, understanding.
UofU Patient
March 20, 2012
Dr. Couldwell is a fantastic man, the anesthesiologist were great. One of them asked for my permission to test a new device. He explained the project and just how simple it would be. This is the first time anyone has spent this kind of time explaining what would be happening to me, and I appreciated it.
UofU Patient
March 08, 2012
Everything was fast and easy
UofU Patient
February 11, 2012
I felt comfortable with the surgical plan.
UofU Patient
February 07, 2012
I found care provider very caring who really listen to patients.
UofU Patient
February 04, 2012
Dr Couldwell and his staff were great. Excellent communication and very competent.
UofU Patient
January 21, 2012
Just amazing
Dr. Couldwell specializes in Neurosurgery, Brain Tumors, Brain Aneurysms, Skull Base Surgery, Stroke, Traumatic Brain Injury, Head Trauma and Neuro Critical Care.
William T. Couldwell, MD, PhD serves as Professor and Chair of the Department of Neurosurgery at the University of Utah. He has served as Director of the American Board of Neurological Surgery. He was President of the American Association of Neurological Surgeons (AANS), and American Academy of Neurological Surgery (AAcNS). Dr. Couldwell has over 450 peer-reviewed publications and has been the recipient of several federal and other research grants. Dr. Couldwell is recognized internationally for his expertise in skull base surgery and is regularly solicited as a speaker and to instruct courses in skull base surgery. His clinical interests include surgical management of skull base tumors, neuro-oncology, pituitary tumors, and cerebrovascular neurosurgery.
Academic Locations
Clinical Neurosciences Center
801-581-6908
Board Certification and Academic Information
| Academic Departments | Neurosurgery
-
Professor Surgery - Adjunct Professor |
| Academic Divisions | Adult Neurosurgery Otolaryngology-Head and Neck Surgery |
| Board Certification | American Board of Neurological Surgery (Neurosurg) Licentiate of the Medical Council of Canada National Board of Medical Examiners |
Education History
| Research Fellow | CHUV Neurosurgery Research Fellow |
| Doctoral Training | McGill University Neuroimmunology/Molecular Biology Ph.D. |
| Research Fellow | McGill University Neurology Research Fellow |
| Residency | University of Southern California Neurosurgery Resident |
| Internship | University of Southern California General Surgery Intern |
| Professional Medical | McGill University Medicine M.D. |
| Undergraduate | Dalhousie University Combined Honors: Physical Chemistry and Biology B.Sc. |
Selected Publications - Journal Articles
Journal Article
- Kim RB, Wilkerson C, Karsy M, Joyce E, Rolston JD, Couldwell WT, Mahan MA (2020). Prolonged Length of Stay and Risk of Unplanned 30-Day Readmission After Elective Spine Surgery: Propensity Score-Matched Analysis of 33,840 Patients. Spine, 45(18), 1260-1268.
- Joyce EJ, Cohen MA, Ho W, Brockmeyer DL, Couldwell WT (2019). Extreme Lateral Transodontoid Approach for Resection of Clival Chordoma: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown), 19(3), E298.
- Cohen MA, Abou-Al-Shaar H, Gozal YM, Karsy M, Alzhrani G, Shelton C, Couldwell WT (2019). Internal Auditory Canal Variability: Anatomic Variation Affects Cisternal Facial Nerve Visualization. Oper Neurosurg (Hagerstown), 19(3), E251-E258.
- Alaoui-Ismaili A, Krogager ME, Jakola AS, Poulsgaard L, Couldwell W, Mathiesen T (2020). Surgeons' experience of venous risk with CPA surgery. (Epub ahead of print) Neurosurg Rev.
- Ravindra VM, Alexander M, Taussky P, Bollo RJ, Hassan AE, Scoville JP, Griauzde J, Awad AW, Jumaa M, Zaidi S, Lee JJ, Hafeez MU, Nascimento FA, LoPresti MA, Couldwell WT, Hetts SW, Lam SK, Kan P, Grandhi R (2020). Endovascular Thrombectomy for Pediatric Acute Ischemic Stroke: A Multi-Institutional Experience of Technical and Clinical Outcomes. (Epub ahead of print) Neurosurgery.
- Eli IM, Karsy M, Brodke DS, Bachus KN, Couldwell WT, Dailey AT, Mazur MD (2019). Restabilization of the Occipitocervical Junction After a Complete Unilateral Condylectomy: A Biomechanical Comparison of Unilateral and Bilateral Fixation Techniques. Oper Neurosurg (Hagerstown), 19(2), 157-164.
- Abou-Al-Shaar H, Cohen MA, Bi WL, Gozal YM, Alzhrani G, Karsy M, Al-Mefty O, Couldwell WT (2020). Surgical Management of Multifocal Trigeminal Schwannomas. (Epub ahead of print) Oper Neurosurg (Hagerstown).
- Karsy M, Kim R, Azab M, Harper J, Guan J, Eli I, Couldwell W (2020). Higher Admission D-Dimer Values Are Associated With an Increased Risk of Nonroutine Discharge in Neurosurgery Patients. Cureus, 12(7), e9425.
- Gozal YM, Alzhrani G, Abou-Al-Shaar H, Couldwell WT (2018). Repeat Resection of a Cavernous Malformation of the Optic Nerve/Chiasm via a Frontotemporal Approach: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown), 18(5), E169-E170.
- Cohen MA, Couldwell WT (2018). Resection of Cavernous Sinus Meningioma via Lateral Orbitotomy Approach: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown), 18(5), E164.
- Nadel J, Couldwell WT (2020). Management of Water and Sodium Disturbances after Transsphenoidal Resection of Pituitary Tumors. Neurol India, 68(Supplement), S101-S105.
- Scoville JP, Mazur MD, Couldwell WT (2018). Unique Far-Lateral Closure Technique: Technical Note. Oper Neurosurg (Hagerstown), 18(4), 384-390.
- Sherrod BA, Yoon NK, Anzai Y, Schmidt RH, Couldwell WT, Hawryluk GWJ (2018). Delayed Cerebrospinal Fluid Cleft Formation Through the Midbrain and Thalamus Following Hemicraniectomy and Cranioplasty for Acute Subdural Hematoma. Oper Neurosurg (Hagerstown), 18(3), E88-E94.
- Abou-Al-Shaar H, Krisht KM, Cohen MA, Abunimer AM, Neil JA, Karsy M, Alzhrani G, Couldwell WT (2020). Cranio-Orbital and Orbitocranial Approaches to Orbital and Intracranial Disease: Eye-Opening Approaches for Neurosurgeons. Front Surg, 7, 1.
- Karsy M, Azab MA, Harper J, Abou-Al-Shaar H, Guan J, Eli I, Brock AA, Ormond RD, Hosokawa PW, Gouripeddi R, Butcher R, Cole CD, Menacho ST, Couldwell WT (2019). Evaluation of a D-Dimer Protocol for Detection of Venous Thromboembolism. World Neurosurg, 133, e774-e783.
- Wilde H, Twitchell S, Reese J, Guan J, Eli IM, Karsy M, Taussky P, Grandhi R, Schmidt RH, Couldwell WT (2019). Evaluation of disease severity and treatment intensity as cost drivers for ruptured intracranial aneurysms. Acta Neurochir (Wien), 162(1), 157-167.
- Raheja A, Couldwell WT (2020). Cavernous sinus meningioma. Handb Clin Neurol, 170, 69-85.
- Achey RL, Karsy M, Azab MA, Scoville J, Kundu B, Bowers CA, Couldwell WT (2019). Improved Surgical Safety via Intraoperative Navigation for Transnasal Transsphenoidal Resection of Pituitary Adenomas. J Neurol Surg B Skull Base, 80(6), 626-631.
- Krogager ME, Jakola AS, Poulsgaard L, Couldwell W, Mathiesen T (2019). Safe handling of veins in the pineal region-a mixed method study. (Epub ahead of print) Neurosurg Rev.
- Baker C, Karsy M, Couldwell WT (2019). Resection of Pituitary Tumor with Lateral Extension to the Temporal Fossa: The Toothpaste Extrusion Technique. Cureus, 11(10), e5953.
- Ravindra VM, Karsy M, Lanpher A, Bollo RJ, Griauzde J, Scott RM, Couldwell WT, Smith ER (2019). A national analysis of 9655 pediatric cerebrovascular malformations: effect of hospital volume on outcomes. J Neurosurg Pediatr, 1-10.
- Nickele C, Nguyen V, Fisher W, Couldwell W, Aboud E, David C, Morcos J, Charalampaki C, Arthur A (2018). A Pilot Comparison of Multispectral Fluorescence to Indocyanine Green Videoangiography and Other Modalities for Intraoperative Assessment in Vascular Neurosurgery. Oper Neurosurg (Hagerstown), 17(1), 103-109.
- Guan J, Karsy M, Brock AA, Couldwell WT, Schmidt RH (2018). Overlapping Surgery: 2 Years Later. Neurosurgery, 65(CN_suppl_1), 55-57.
- Guan J, Karsy M, Brock AA, Couldwell WT, Schmidt RH (2018). Overlapping Surgery: 2 Years Later. Neurosurgery, 65(CN_suppl_1), 55-57.
- Park MS, Brock A, Mortimer V, Taussky P, Couldwell WT, Quigley E (2017). GoPro Hero Cameras for Creation of a Three-Dimensional, Educational, Neurointerventional Video. J Digit Imaging, 30(5), 561-565.
- Karsy M, Brock AA, Guan J, Bisson EF, Couldwell WT (2017). Assessment of Cost Drivers in Transsphenoidal Approaches for Resection of Pituitary Tumors Using the Value-Driven Outcome Database. World Neurosurg, 105, 818-823.
- Eloy JA, Kilic S, Yoo NG, Mcleod T, Svider PF, Baredes S, Folbe AJ, Couldwell WT, Liu JK (2017). Is Industry Funding Associated with Greater Scholarly Impact Among Academic Neurosurgeons? World Neurosurg, 103, 517-525.
- Bagshaw HP, Burt LM, Jensen RL, Suneja G, Palmer CA, Couldwell WT, Shrieve DC (2017). Adjuvant radiotherapy for atypical meningiomas. J Neurosurg, 126(6), 1822-1828.
- Griauzde J, Ravindra VM, Chaudhary N, Gemmete JJ, Mazur MD, Roark CD, Couldwell WT, Park MS, Taussky P, Pandey AS (2017). Use of the Pipeline embolization device in the treatment of iatrogenic intracranial vascular injuries: a bi-institutional experience. Neurosurg Focus, 42(6), E9.
- Alzhrani G, Shelton C, Couldwell WT (2017). Middle fossa approach for resection of vestibular schwannoma. Acta Neurochir (Wien), 159(6), 1023-1026.
- Ravindra VM, Raheja A, Corn H, Driscoll M, Welt C, Simmons DL, Couldwell WT (2017). Primary pituitary diffuse large B-cell lymphoma with somatotroph hyperplasia and acromegaly: case report. J Neurosurg, 126(5), 1725-1730.
- Couldwell WT, MacDonald JD, Thomas CL, Hansen BC, Lapalikar A, Thakkar B, Balaji AK (2017). Computer-aided design/computer-aided manufacturing skull base drill. Neurosurg Focus, 42(5), E6.
- Huang LE, Cohen AL, Colman H, Jensen RL, Fults DW, Couldwell WT (2017). IGFBP2 expression predicts IDH-mutant glioma patient survival. Oncotarget, 8(1), 191-202.
- Couldwell WT (2017). Cervical Arthroplasty. Neurosurg Focus, 42(VideoSuppl1), Intro.
- Couldwell WT (2017). Editorial: Focusing on the future. Neurosurg Focus, 42(1), E1.
- Mazur MD, Couldwell WT, Cutler A, Shah LM, Brodke DS, Bachus K, Dailey AT (2017). Occipitocervical Instability After Far-Lateral Transcondylar Surgery: A Biomechanical Analysis. Neurosurgery, 80(1), 140-145.
- Eli IM, Raheja A, Corn HJ, Simmons DL, Palmer CA, Couldwell WT (2016). Sellar Wegener Granulomatosis Masquerading as Cabergoline-Resistant Prolactinoma. World Neurosurg, 95, 622.e1-622.e5.
- Ravindra VM, Mazur MD, Park MS, Kilburg C, Moran CJ, Hardman RL, Couldwell WT, Taussky P (2016). Complications in Endovascular Neurosurgery: Critical Analysis and Classification. World Neurosurg, 95, 1-8.
- Bowers CA, Sorour M, Patel BC, Couldwell WT (2016). Outcomes after surgical treatment of meningioma-associated proptosis. J Neurosurg, 125(3), 544-50.
- Hoang N, Tran DK, Herde R, Couldwell GC, Osborn AG, Couldwell WT (2016). Pituitary macroadenomas with oculomotor cistern extension and tracking: implications for surgical management. J Neurosurg, 125(2), 315-22.
- Raheja A, Bowers CA, MacDonald JD, Shelton C, Gurgel RK, Brimley C, Couldwell WT (2016). Middle Fossa Approach for Vestibular Schwannoma: Good Hearing and Facial Nerve Outcomes with Low Morbidity. World Neurosurg, 92, 37-46.
- Raheja A, Abou Al-Shaar H, Patel BC, Couldwell WT (2016). Surgical implications of frontoethmoidal pneumosinus dilatans-associated proptosis caused by meningioma. Acta Neurochir (Wien), 158(8), 1597-600.
- Raheja A, Kalra R, Couldwell WT (2016). Three-Dimensional Versus Two-Dimensional Neuroendoscopy: A Preclinical Laboratory Study. World Neurosurg, 92, 378-385.
- Karsy M, Raheja A, Guan J, Osborn AG, Couldwell WT (2016). Scalp Arteriovenous Malformation with Concomitant, Flow-Dependent Malformation and Aneurysm. World Neurosurg, 90, 708.e5-708.e9.
- Abou Al-Shaar H, Raheja A, Palmer CA, Schmidt MH, Couldwell WT (2016). Hypothalamic-Optochiasmatic Pilocytic Astrocytoma Associated with Occipital and Sacral Spinal Cavernomas: A Mere Coincidence or a True Association? World Neurosurg, 90, 707.e17-707.e21.
- Sorour M, Sayama C, Couldwell WT (2016). Posterior Reversible Encephalopathy Syndrome after Surgical Resection of a Giant Vestibular Schwannoma: Case Report and Literature Review. J Neurol Surg A Cent Eur Neurosurg, 77(3), 274-9.
- Krisht KM, Palmer CA, Couldwell WT (2016). Multiple osteomas of the falx cerebri and anterior skull base: case report. J Neurosurg, 124(5), 1339-42.
- Guan J, Karsy M, Brock A, Couldwell WT (2016). The Utility of Ankle-Brachial Index as a Predictor of Delayed Cerebral Ischemia in Aneurysmal Subarachnoid Hemorrhage. World Neurosurg, 89, 139-46.
- Raheja A, Eli IM, Bowers CA, Palmer CA, Couldwell WT (2016). Primary Intracranial Epidermoid Carcinoma with Diffuse Leptomeningeal Carcinomatosis: Report of Two Cases. World Neurosurg, 88, 692.e9-692.e16.
- Neil JA, Orlandi RR, Couldwell WT (2016). Malignant fungal infection of the cavernous sinus: case report. J Neurosurg, 124(3), 861-5.
- Jethwa PR, Patel TD, Hajart AF, Eloy JA, Couldwell WT, Liu JK (2016). Cost-Effectiveness Analysis of Microscopic and Endoscopic Transsphenoidal Surgery Versus Medical Therapy in the Management of Microprolactinoma in the United States. World Neurosurg, 87, 65-76.
- Ravindra VM, Mazur MD, Kumpati GS, Park MS, Patel AN, Tandar A, Welt FG, Bull D, Couldwell WT, Taussky P (2016). Carotid Artery Stenosis in the Setting of Transcatheter Aortic Valve Replacement: Clinical and Technical Considerations of Carotid Stenting. World Neurosurg, 86, 194-8.
- Bowers CA, Taussky P, Park MS, Neil JA, Couldwell WT (2015). Rescue microsurgery with bypass and stent removal following Pipeline treatment of a giant internal carotid artery terminus aneurysm. Acta Neurochir (Wien), 157(12), 2071-5.
- Herde RF, Hoang N, Tran DK, Couldwell G, Couldwell WT, Osborn AG (2015). Peritumoral cysts associated with pituitary macroadenoma. J Neurosurg, 123(3), 789-93.
- Couldwell WT, Cutler A, Neil JA (2015). Left pterional craniotomy for thrombectomy and clipping of ruptured left MCA giant aneurysm. Neurosurg Focus, 39 Video Suppl 1, V1.
- Ravindra VM, Neil JA, Mazur MD, Park MS, Couldwell WT, Taussky P (2015). Motion-related vascular abnormalities at the craniocervical junction: illustrative case series and literature review. Neurosurg Focus, 38(4), E6.
- Karsy M, Sonnen J, Couldwell WT (2015). Authors' reply to letter to the editor regarding "coincident pituitary adenoma and sellar meningioma". Acta Neurochir (Wien), 157(3), 555.
- Krisht KM, Shelton C, Couldwell WT (2015). Early Conquest of the Rock: Julius Lempert's Life and the Complete Apicectomy Technique for the Treatment of Suppurative Petrous Apicitis. J Neurol Surg B Skull Base, 76(2), 101-7.
- Krisht KM, Sorour M, Cote M, Hardy J, Couldwell WT (2015). Marching beyond the sella: Gerard Guiot and his contributions to neurosurgery. J Neurosurg, 122(2), 464-72.
- Karsy M, Sonnen J, Couldwell WT (2015). Coincident pituitary adenoma and sellar meningioma. Acta Neurochir (Wien), 157(2), 231-3.
- Couldwell WT, Neil JA (2015). Far-lateral approach for surgical treatment of fusiform PICA aneurysm. Neurosurg Focus, 38(VideoSuppl1), Video10.
- Couldwell WT, MacDonald JD, Taussky P (2014). Complete resection of the cavernous sinus-indications and technique. World Neurosurg, 82(6), 1264-70.
- Couldwell WT, Cannon-Albright LA (2014). Co-prevalence of other tumors in patients harboring pituitary tumors. J Neurosurg, 121(6), 1474-7.
- Couldwell WT, Mortimer V, Kraus KL (2014). Expanding neurosurgery. J Neurosurg, 121(6), 1297-313.
- Cherla DV, Sanghvi S, Eloy JA, Couldwell WT, Liu JK (2014). Readability of Internet-Based Patient Education Materials Related to Pituitary Tumors. Endocr Pract, 20(10), 1044-1050.
- Sekhar L, Mantovani A, Mortazavi M, Schwartz TH, Couldwell WT (2014). Open vs endoscopic: when to use which. Neurosurgery, 61 Suppl 1, 84-92.
- Sivakumar W, Ravindra VM, Cutler A, Couldwell WT (2014). Intracranial hypotension in the setting of concurrent perineural cyst rupture and subarachnoid hemorrhage. J Clin Neurosci, 21(6), 1063-5.
- Couldwell WT (2014). Complex middle cerebral artery aneurysm: 3-dimensional operative video. Neurosurgery, 10 Suppl 1, 159; discussion 159.
- Sorour M, Bowers CA, Couldwell WT (2014). Intraoperative aneurysmal subarachnoid hemorrhage after rupture of a previously undiagnosed intracranial aneurysm during Chiari decompression. J Clin Neurosci, 21(3), 524-6.
- Cote M, Salzman KL, Sorour M, Couldwell WT (2014). Normal dimensions of the posterior pituitary bright spot on magnetic resonance imaging. J Neurosurg, 120(2), 357-62.
- Sorour M, Caton WL 3rd, Couldwell WT (2014). Technique for methyl methacrylate cranioplasty to optimize cosmetic outcome. Acta Neurochir (Wien), 156(1), 207-9.
- Eloy JA, Svider PF, Folbe AJ, Couldwell WT, Liu JK (2014). Comparison of plaintiff and defendant expert witness qualification in malpractice litigation in neurological surgery. J Neurosurg, 120(1), 185-90.
- Bowers CA, Taussky P, Couldwell WT (2014). Surgical treatment of craniofacial fibrous dysplasia in adults. Neurosurg Rev, 37(1), 47-53.
- Svider PF, Husain Q, Folbe AJ, Couldwell WT, Liu JK, Eloy JA (2014). Assessing National Institutes of Health funding and scholarly impact in neurological surgery. J Neurosurg, 120(1), 191-6.
- Couldwell WT, Shelton C (2014). Transtemporal approach to the removal of a lateral pontine tumor. Neurosurg Focus, 36(1 Suppl), 1.
- Sorour M, Krisht KM, Couldwell WT (2014). Intraventricular hemorrhage after epidural blood patching: an unusual complication. Case Rep Neurol Med, 2014, 406289.
- Taussky P, Kalra R, Couldwell WT (2012). Delayed vasospasm after removal of a skull base meningioma. J Neurol Surg A Cent Eur Neurosurg, 73(4), 249-52.
- Altay T, Couldwell WT (2012). The frontotemporal (pterional) approach: an historical perspective. Neurosurgery, 71(2), 481-91; discussion 491-2.
- Taussky P, Kalra R, Coppens J, Mohebali J, Jensen R, Couldwell WT (2011). Endocrinological outcome after pituitary transposition (hypophysopexy) and adjuvant radiotherapy for tumors involving the cavernous sinus. J Neurosurg, 115(1), 55-62.
- Mohebali J, Walsh MT, Couldwell WT (2010). Brainstem glioma in PHACES syndrome: case report and review of the literature. Cent Eur Neurosurg, 72(1), 46-8.
- Sayama CM, Osborn AG, Chin SS, Couldwell WT (2009). Capillary telangiectasias: clinical, radiographic, and histopathological features. Clinical article. J Neurosurg, 113(4), 709-14.
- Binning MJ, Walsh MT, Apfelbaum RI, Chin SS, Couldwell WT (2009). Ectopic atypical lymphoid tissue of the infundibulum/hypothalamus. J Neurosurg, 112(6), 1340.
- Couldwell WT, Cannon-Albright L (2009). A heritable predisposition to pituitary tumors. Pituitary, 13(2), 130-7.
- Ragel BT, Bishop FS, Couldwell WT (2007). Recurrent infrasellar clival craniopharyngioma. Acta Neurochir (Wien), 149(7), 729-30; discussion 730.
- Couldwell WT, Weiss MH, Rabb C, Liu JK, Apfelbaum RI, Fukushima T (2003). Variations on the standard transsphenoidal approach to the sellar region, with emphasis on the extended approaches and parasellar approaches: surgical experience in 105 cases. Neurosurgery, 55(3), 539-47; discussion 547-50.
- Liu JK, Decker D, Schaefer SD, Moscatello AL, Orlandi RR, Weiss MH, Couldwell WT (2002). Zones of approach for craniofacial resection: minimizing facial incisions for resection of anterior cranial base and paranasal sinus tumors. Neurosurgery, 53(5), 1126-35; discussion 1135-7.
- Couldwell WT, Rovit RL, Weiss MH (2003). Role of surgery in the treatment of microprolactinomas. Neurosurg Clin N Am, 14(1), 89-92, vii.
- Liu JK, Weiss MH, Couldwell WT (2003). Surgical approaches to pituitary tumors. Neurosurg Clin N Am, 14(1), 93-107.
- Couldwell WT, Rovit RL (2003). Rethinking neurosurgical subspecialization. Surg Neurol, 58(6), 359-63; discussion 363-70.
Review
- Raheja A, Couldwell WT (2017). Management of Cavernous Sinus Involvement in Sinonasal and Ventral Skull Base Malignancies. [Review]. Otolaryngol Clin North Am, 50(2), 365-383.
- Raheja A, Couldwell WT (2016). Microsurgical resection of skull base meningioma-expanding the operative corridor. [Review]. J Neurooncol, 130(2), 263-267.
- Wong A, Eloy JA, Couldwell WT, Liu JK (2015). Update on prolactinomas. Part 1: Clinical manifestations and diagnostic challenges. [Review]. J Clin Neurosci, 22(10), 1562-7.
- Wong A, Eloy JA, Couldwell WT, Liu JK (2015). Update on prolactinomas. Part 2: Treatment and management strategies. [Review]. J Clin Neurosci, 22(10), 1568-74.
Edited Book
- Couldwell WT, Winn HR (Eds.) (2016). General neurosurgery. In Youman's Textbook of Neurosurgery. (7th). Philadelphia: Elsevier.
- Hamilton MG, Couldwell WT, Golfinos JG, Pineo GF (Eds.) (2014). Handbook of Bleeding and Coagulation for Neurosurgery. New York: Thieme.
Book Chapter
- Bowers CA, Couldwell WT (2017). Orbital management of meningioma-associated proptosis. In Laws E, Kaye A, Seifert V, Misra BK (Eds.), Current Progres in Neurosurgery 2 (2). Mumbair: Kothari Medical Subscription Services.
- Coppens JR, Liu JK, Couldwell WT (2016). Advantages and Limitations of Cranial Endoscopy. In H Winn (Ed.), Youman's Neurological Surgery (7th ed.). Philadelphia: Elsevier.
- Sivakumar W, Neil JA, Couldwell WT (2016). Transsphenoidal Approach to Pituitary Macroadenomas: Microsurgical and Endoscopic. In Sekhar LN, Fessler R (Eds.), Atlas of Neurosurgical Techniques–Brain (2nd ed). New York: Thieme.
- Neil JA, Mazur MD, Couldwell WT (2015). Surgical Management of Planum and Olfactory Groove Meningiomas. In Veeravagu A, Chang S (Eds.), Current Management of Central Nervous System Meningiomas (Chapter 5). Hauppauge, NY: Nova Science Publishers.
- Krisht KM, Couldwell WT, Weiss MH (2015). Pituitary tumors: Viewpoint: Surgery. In WF Regine, LS Chin (Eds.), Principles and Practice of Stereotactic Radiosurgery (2nd ed.). New York: Springer.
- Krisht KM, Sivakumar W, Couldwell WT (2015). Controversies: Extended endoscopic vs. open transcranial approaches. In T. Kenning (Ed.), Craniopharyngiomas: A Comprehensive Guide to Diagnosis, Treatment and Outcome (Chapter 35). Philadelphia: Elsevier.
- Sivakumar W, Krisht KM, Couldwell WT (2015). Surgical Approaches: Transcortical–Transventricular Removal of Craniopharyngioma. In T. Kenning (Ed.), Surgical Approaches: Transcortical–Transventricular Removal of Craniopharyngioma (Chapter 13). Philadelphia: Elsevier.
- Couldwell WT (2014). Far Lateral Transcervical Approach to the Lower Clivus and Upper Cervical Spine. In Snyderman CH, Ferris R, Myers EN (Eds.), Master Techniques in Otolaryngologic Surgery–Head and Neck Surgery: Skull Base Surgery (Vol. 4, Chapter 39). Philadelphia: Lippincott Williams & Wilkins.
- Hamilton MG, Levy R, Couldwell WT, Browd S (2014). Venous thromboembolism (DVT and PE) prophylaxis. In Hamilton MG, Couldwell WT, Golfinos JG, Pineo GF (Eds.), Handbook of Bleeding and Coagulation for Neurosurgery. New York: Thieme.
- Couldwell WT (2014). Craniotomy for suprasellar tumor. In Snyderman CH, Ferris R, Myers EN (Eds.), Master Techniques in Otolaryngologic Surgery–Head and Neck Surgery: Skull Base Surgery (Vol. 4, Chapter 9). Philadelphia: Lippincott Williams & Wilkins.
- Krisht KM, Gottfried ON, Couldwell WT (2014). Craniopharyngioma. In Berger M, Bernstein M (Eds.), Neuro-Oncology: The Essentials (3rd ed.). New York: Thieme.
Case Report
- Cohen MA, Cannon RB, Couldwell WT (2020). Resection of Invasive Sphenoorbital and Cavernous Sinus Meningioma via Frontotemporal Craniotomy. World Neurosurg, 141, 252.
- Hardy J, Karsy M, Makarenko S, Ward M, Couldwell WT (2020). Hemorrhagic Fibrous Dysplasia with Acute Neurological Decline: Case Report and Review of the Literature. World Neurosurg, 140, 71-75.
- Couldwell WT, Schmidt MH, Mortimer V (2020). Cervical Laminoplasty for Resection of Hemorrhagic Cavernous Malformation Using a Biportal Technique. World Neurosurg, 138, 200.
- Uysal E, Reese J, Cohen M, Curtis D, Shelton C, Couldwell WT (2019). Internal Auditory Canal Lipoma: An Unusual Intracranial Lesion. World Neurosurg, 135, 156-159.
- Sivakumar W, Oh N, Cutler A, Colman H, Couldwell WT (2015). Cranial and spinal leptomeningeal dissemination in esthesioneuroblastoma: Two reports of distant central nervous system metastasis and rationale for treatment. Surg Neurol Int, 6(Suppl 25), S628-32.
- Mazur MD, Neil JA, Agarwal C, Jensen RL, Couldwell WT (2015). Surgical management of a transosseous meningioma with invasion of torcula, superior sagittal sinus, transverse sinus, calvaria, and scalp. Surg Neurol Int, 6, 40.
- Guan J, Couldwell WT, Taussky P (2014). Intracranial hypotension as a complication of lumbar puncture prior to elective aneurysm clipping. Surg Neurol Int, 5(Suppl 9), S427-9.
Letter
Report
Patent
- Couldwell, WT (2008). CAD-CAM Based Drill for Skull Base and Craniotomy Applications. U.S. Patent No. U-4062-PCT. Washington, D.C.:U.S. Patent and Trademark Office.
Global Impact
Education History
| Research Fellow | CHUV Neurosurgery Research Fellow |
| Doctoral Training | McGill University Neuroimmunology/Molecular Biology Ph.D. |
| Research Fellow | McGill University Neurology Research Fellow |
| Professional Medical | McGill University Medicine M.D. |
| Undergraduate | Dalhousie University Combined Honors: Physical Chemistry and Biology B.Sc. |
Awards & Honors
| Dalhousie Science Faculty Scholar | Canada |
| Medical Research Council of Canada Studentship for post-graduate medical research | Canada |
| J.W. McConnell Award | Canada |
| CIBA Anatomy Prize | Canada |
| J.A. Bezner Prize | Canada |
| Wood Gold Medal, McGill University Scholar | Canada |
| Medical Research Council of Canada (MRC) Centennial Fellowship, Post-Graduate | Canada |
| Preuss Award, Joint Tumor Section, AANS/CNS, Post-Graduate | Global |
| Dean's Honors List, Ph.D. Thesis, McGill University | Canada |
| Who's Who in the World, Post-Graduate | Global |
| Honorary Member, Japanese Neurosurgical Society, Post-Graduate | Japan |
| International Who's Who of Professionals | Global |
| Penfield Lecturer, Canadian Neurosciences Federation Meeting | Canada |
| Elected, World Academy of Neurosurgery | Global |
Grand Rounds
| Couldwell WT, Presentation at Neuroscience Rounds, QEII Health Sciences Centre, Halifax, Nova Scotia, Canada, October 7, 2009. | Canada |
Presentations
| Couldwell WT, Visiting Professor, "Protein Kinase C and therapeutic implications for the treatment of gliomas and pituitary adenomas", European Congress of Neurological Surgeons, Berlin, Germany, May 14, 1995. | Europe |
| Couldwell WT, Visiting Professor, "High-dose tamoxifen therapy and Protein Kinase C in growth regulation of malignant gliomas". Gifu University Department of Neurosurgery, Gifu City, Japan, October 20, 1995. | Japan |
| Couldwell WT, Visiting Professor, "Surgical management of petroclival meningiomas", Zeijhang Medical University, Hangzhou, China, November 1, 1995. | China |
| Couldwell WT, Visiting Professor, Gifu University, Gifu, Japan, October 7, 1999. | Japan |
| Couldwell WT, Visiting Professor, University of Naples, Napoli, Italy, November 12, 1999. | Italy |
| Couldwell WT, Visiting Professor, Erlangen University, Nuremberg, Germany, January 14, 2003. | Germany |
| Couldwell WT, Invited Faculty, German Neurosurgical Society Annual Meeting, May 26, 2003. | Germany |
| Couldwell WT, University of Geneva, Geneva, Switzerland, October 6-8, 2004. | Switzerland |
| Couldwell WT, Honored Guest, Mexican Neurosurgical Society, Merida, Mexico, July 22-27, 2005. | Mexico |
| Couldwell WT, Visiting Professor, University of Calgary, Canada, Alberta, Canada, September 26-27-2005. | Canada |
| Couldwell WT, Honored Guest, Alberta-Saskatchewan (Canada) Neurosurgical Society, September 29, 2005. | Canada |
| Couldwell WT, Honored Guest, Latin America Neurosurgical Society, Isla Navidad, Mexico, July 20, 2006. | Mexico |
| Couldwell WT, Honored Guest, Surgery of Meningiomas and the Cerebral Venous System, Osaka, Japan, November 22-26, 2006. | Japan |
| Couldwell WT, Honored Guest, Austrian-German Endocrinology Society Meeting, Salzberg, Austria, March 8-9, 2007. | Austria |
| Couldwell WT, Honored Guest, Chinese Neurosurgical Association, April 29-30, 2007. | China |
| Couldwell WT, Honored Guest, Korean Neurosurgical Society, Jeju City, South Korea, April 17-19-2008. | Korea |
| Couldwell WT, Honored Guest, International Skull Base Meeting, Rome, Italy, June 19-22, 2008. | Italy |
| Couldwell WT, Honored Guest, Indian Skull Base Meeting, Mumbai, India, October 8-12, 2008. | India |
| Couldwell WT, Honored Guest, 2nd Kuwait-American Neurosurgical Symposium, Kuwait City, Kuwait, November 17-19, 2008. | Kuwait |
| Couldwell WT, Honored Guest, Masters Update in Neurosurgery, Dubai, U.A.E., December 2-5, 2008. | United Arab Emirates |
| Couldwell WT, Honored Guest, "Pituitary Apoplexy", Mexican Congress of Neurological Surgery, Cancun, MEX, July 20, 2009. | Mexico |
| Couldwell WT, Honored Guest, "Management of Invasive Pituitary Tumors", 3rd American Kuwaiti Neurosurgical Meeting, Kuwait City, Kuwait, December 5, 2009. | Kuwait |
| Couldwell WT, Invited Guest, "Strategies for Selection and Optimization of Carotid Bypass for Skull Base Tumors and Aneurysms", 35th Annual Egyptian Society of Neurological Surgeons, Sharm el-Sheikh, Egypt, March 10-13, 2010. | Egypt |
| Couldwell WT, Visiting Professor, "Surgical Approaches", QEII Health Sciences Centre, Dalhousie University, Halifax, Nova Scotia, Canada, September 29, 2010. | Canada |
| Couldwell WT, "Transfacial vs. Transcranial Approaches", 5th International Symposium on Microneurosurgical Anatomy, Istanbul, Turkey, November 4-7-2010. | Turkey |
| Couldwell WT, "Pituitary Surgery", 5th International Symposium on Microneurosurgical Anatomy, Istanbul, Turkey, November 4-7, 2010. | Turkey |
| Couldwell WT, "Evolution of Parasellar Approaches and AANS Update", Society of University Neurosurgeons Meeting, Istanbul, Turkey, June 25, 2011. | Turkey |
| Couldwell WT, Honored Guest Lecturer, "Traumatic Aneurysm Repair in an Infant", 5th American Kuwaiti Neurosurgical Meeting, Kuwait City, Kuwait, December 2-8, 2011. | Kuwait |
| Couldwell WT, Honored Guest Lecturer, "Complete Cavernous Sinus Resection", 5th American Kuwaiti Neurosurgical Meeting, Kuwait City, Kuwait, December 2-8, 2011. | Kuwait |
| Couldwell WT, Honored Guest Lecturer, "Tuberculum Sella Meningioma", 5th American Kuwaiti Neurosurgical Meeting, Kuwait City, Kuwait, December 2-8, 2011. | Kuwait |
| Couldwell WT, Honored Guest Lecturer, "Blister Aneurysm of the Internal Carotid Artery", 5th American Kuwaiti Neurosurgical Meeting, Kuwait City, Kuwait, December 2-8, 2011. | Kuwait |
| Couldwell WT, Honored Guest Lecturer, "Endoscopic Removal of Massive Chordoma", 5th American Kuwaiti Neurosurgical Meeting, Kuwait City, Kuwait, December 2-8, 2011. | Kuwait |
| Couldwell WT, Honored Guest Lecturer, "Pituitary Incidentaloma", 5th American Kuwaiti Neurosurgical Meeting, Kuwait City, Kuwait, December 2-8, 2011. | Kuwait |
| Couldwell WT, Honored Guest Lecture, "Complications Related to Meningioma Resection, 5th American Kuwaiti Neurosurgical Meeting, Kuwait City, Kuwait, December 2-8, 2011. | Kuwait |
| Couldwell WT, Honored Guest Lecturer, "Lateral Orbitotomy Approach to the Cavernous Sinus", 5th American Kuwaiti Neurosurgical Meeting, Kuwait City, Kuwait, December 2-8, 2011. | Kuwait |
| Couldwell WT, Honored Guest, "AVMs in Eloquent Areas - Which Treatment Modalities to Choose?" and "Radiosurgery for Skull Base Meningiomas. A Surgeon's View", Israel Neurosurgical Society Meeting, Safed, Israel, May 30-June 1, 2012. | Israel |
| Couldwell WT, Honored Guest Lecturer, “Decision making strategies for EC-IC Bypass in the treatment of skull base tumors.”5th International Cerebrovascular and Skull Base Workshop, Kiev, Ukraine, September 6, 2012. | Ukraine |
| Couldwell WT, Honored Guest Lecturer, “Difficulties, pitfalls and complications avoidance in pituitary surgery”, 5th International Cerebrovascular and Skull Base Workshop, Kiev, Ukraine, September 8, 2012. | Ukraine |
| Couldwell WT, “Lateral Orbitotomy approach to the cavernous sinus”, 14th Annual Conference of Skull Base Surgery Society of India, Mumbai, India, September 24, 2012. | India |
| Couldwell WT, “Cerebrovascular and Skull Base Surgery", 14th Annual Conference of Skull Base Surgery Society of India, Mumbai, India, September 23, 2012. | India |
| Couldwell WT, "The Evolution of Skull Base Surgery", Johann Wolfgang Goethe University, Frankfurt, Germany, July 3, 2013 | Germany |
| Couldwell WT, "Imaging/Monitoring/Other Tumors 2: Normal Dimensions...Imaging. "World Federation of Neurological Surgeons, World Congress, Seoul, Korea, September 11, 2013. | Korea |
| Couldwell WT, Moderator "Approaches for Anterior Skull Base Lesions: Craniotomy vs. Endoscopic Surgery", World Federation of Neurological Surgeons, World Congress, Seoul, Korea, September 11:, 2013. | Korea |
| Couldwell WT, "General Neurosurgery, Surgical Fidelity: Comparing... Endoscope", World Federation of Neurological Surgeons, World Congress, Seoul, Korea, September 10, 2013. | Korea |
| Couldwell WT, "Nuances of Pituitary Surgery", Neuroscience Grand Rounds, University of British Columbia, Division of Neurosurgery, November 27, 2013. | Canada |
| Couldwell WT, "Techniques and Advances. "International Society of Pituitary Surgeons, Mumbai, India, December 8, 2013. | India |
| Couldwell WT, "Decisions Regarding Management of Carotid Artery in Skull Base Tumors", 4th International Neurosurgery Update 2014, Mumbai, India, June 4, 2014. | India |
| Couldwell WT, "Nuances of Pituitary Surgery", 4th International Neurosurgery Update 2014, Mumbai, India, June 4, 2014. | India |
| Couldwell WT, "Cavernous Sinus Resection --Indications and Technique", 4th International Neurosurgery Update 2014, Mumbai, India, June 7, 2014. | India |
| Couldwell WT, Honored Guest Lecturer, "Middle Fossa--Anterior Petrosal Approach", 2014 Istanbul ASNO Asian Society for Neuro-Oncology, Istanbul, Turkey, September 10, 2014 | Turkey |
| Couldwell WT, Honored Guest Lecturer, "The Far Lateral Transcondylar Approach", Istanbul ASNO Asian Society for Neuro-Oncology Meeting, Istanbul, Turkey, September 11, 2014. | Turkey |
| Couldwell WT, Honored Guest Lecturer, "The Evolution of Skull Base Surgery--How Aggressive Should We Be", 2nd International Congress on Minimally Invasive Neurosurgery ISMINS, Xi'an, China, September 14, 2014. | China |
| Couldwell WT, Honored Guest, "Advancement in Skull Base Surgery", 2015 Chinese Neurosurgical Society, Xiamen, China, November 7, 2014. | China |
| Couldwell WT, "EC-IC Bypass", Kolkata Institute of Neurosciences Inauguration and Meeting, Kolkata, India, November 30, 2014. | India |
| Couldwell WT, "Update in the Management of AVM's", Pan Arab Neurosurgical Society Congress 2014, Abu Dhabi, United Arab Emirates, December 6, 2014 | United Arab Emirates |
| Couldwell WT, "Surgery of Posterior Circulation Aneurysms", Pan Arab Neurosurgical Society Congress 2014", Abu Dhabi, United Arab Emirates, December 7, 2014. | United Arab Emirates |
| Couldwell WT, Special Lecturer, "Technical Nuances of Pituitary Surgery", Neuro-endocrinology Symposium, Asia Oceanian International Skull Base Meeting, Mumbai, India, January 7, 2015. | India |
| Couldwell WT, Honored Guest", 17th AIIMS Microneurosurgery Workshop, New Delhi, India, February 15, 2015. | India |
| Couldwell WT, Honored Guest, "Meningioma Associated Proptosis", 38th Annual Meeting Egyptian Society of Neurological Surgeons (ESNS), Hurghada, Egypt, March 25, 2015 | Egypt |
| Couldwell WT, Honored Guest, "Far Lateral Approach and Its Variants", 38th Annual Meeting Egyptian Society of Neurological Surgeons (ESNS), Hurghada, Egypt, March 26, 2015. | Egypt |
| Couldwell WT, Invited Guest, "Schwannomas of Skull Base: Vestibular Schwannoma", Korean Neurosurgical Society, Jeju Island, Korea, April 17, 2015. | Korea |
| Couldwell WT, Chairperson, "Oncology IV", 6th South Asian Neurosurgical Congress, February 18-24, 2016, Bangladesh. | Bangladesh |
| Couldwell WT, Chairperson, Plenary Session, Joint Meeting of the 12th International Conference of Cerebrovascular Surgery (ICCVS) and 1st Interim Meeting of the Asian Australasian Society of Neurological surgeons (AASNS), Mumbai, Febraury 26-28, 2-16. | Asia |
| Couldwell WT, "Nuances in Pituitary Surgery", 12th Endoskullbase Workshop and Ginde Oration, Mumbai, India, March 23-28, 2016. | India |
| Couldwell WT, "Expanded Transnasal Skull Base Approaches", 12th Endoskullbase Workshop and Ginde Oration, Mumbai, India, March 23 to 28, 2016. | India |
| Couldwell, WT, Invited Guest, "Nuances in Pituitary Surgery", Moroccan Society of Neurosurgery 25th Moroccan Congress, Essouira, Morocco, May 26-28, 2016. | Morocco |
| Couldwell WT, "Neurosurgery Residency Program in the US," 66th Annual Conference of the Neurological Society of India (NSICON), Nagpur, India, December 1-3, 2017. | Global |
| Couldwell WT, "Operative Management of Tuberculum Sella Meningioma," 66th Annual Conference of the Neurological Society of India (NSICON), Nagpur, India, December 1-3, 2017. | Global |
| Couldwell WT, Baldey Singh Oration, "Surgery for Cavernous Sinus Lesions," 66th Annual Conference of the Neurological Society of India, (NSICON), Nagpur, India, December 1-3, 2017. | Global |
| Couldwell WT, The Charles Ballance Skull Base Surgery Award Lecture, "The Evolution of Open Skull Base Surgery," The British Skull Base Society Meeting, Liverpool, United Kingdom, January 25-26, 2018. | Global |
| Couldwell WT, "Updates in Neurosurgery 2-Skull Base," 12th Panarab Neurosurgery Meeting, Marrakech, Morocco, October 18-20, 2018. | Morocco |
Service
| 01/01/2017 | President | Global | |
| 08/17/2017 | Co-Chairman | Scientific Session VI, 7th Meeting of WANS, Istanbul, Turkey, August 17-25, 2017. | Global |
| 08/17/2017 | Co-Moderator | Main Topic Session, 7th Meeting of WANS, Istanbul, Turkey, August 17-25, 2017. | Global |
| 01/01/2014 | President | Global | |
| 01/01/2012 | Secretary | Global |
