Researcher Profile

Researcher Profile

Seyed Alireza Mansouri, MD

Seyed Alireza Mansouri, MD

Assistant Professor, Department of Neurosurgery
Scientific Program:Next-Generation Therapies

Research Interests

  • Systematic Reviews
  • Glioma
  • Therapeutics
  • Meta-Analysis
  • Neoplasms
  • Radiosurgery
  • Meningioma
  • Seizures
  • Epilepsy
  • Confidence Intervals
  • Data Analysis
  • Randomized Controlled Trials

Recent Publications


Ye, VC, Mansouri, A, Warsi, NM & Ibrahim, GM 2021, 'Atonic seizures in children: a meta-analysis comparing corpus callosotomy to vagus nerve stimulation', Child's Nervous System, vol. 37, no. 1, pp. 259-267.
Karmur, BS, Philteos, J, Abbasian, A, Zacharia, BE, Lipsman, N, Levin, V, Grossman, S & Mansouri, A 2020, 'Blood-Brain Barrier Disruption in Neuro-Oncology: Strategies, Failures, and Challenges to Overcome', Frontiers in Oncology, vol. 10, 563840.
Mansouri, A, Brar, K & Cusimano, MD 2020, 'Considerations for a surgical RCT for diffuse low-grade glioma: A survey', Neuro-Oncology Practice, vol. 7, no. 3, pp. 338-343.
Remick, M, Ibrahim, GM, Mansouri, A & Abel, TJ 2020, 'Cross-national disparities contribute to heterogeneity in patient outcomes following invasive monitoring: A hierarchical mixed-effects analysis', Epilepsia, vol. 61, no. 9, pp. e116-e123.
Massaad, E, Hamidi, N, Goetz, J, Padmanaban, V, Mau, C, Tsang, D, de Moraes, FY, Chung, C, Zacharia, B & Mansouri, A 2020, 'Equivalent Efficacy and Safety of Radiosurgery for Cystic and Solid Vestibular Schwannomas: A Systematic Review', World neurosurgery.
Mansouri, AM, Germann, J, Boutet, A, Elias, GJB, Mithani, K, Chow, CT, Karmur, B, Ibrahim, GM, McAndrews, MP, Lozano, AM, Zadeh, G & Valiante, TA 2020, 'Identification of neural networks preferentially engaged by epileptogenic mass lesions through lesion network mapping analysis', Scientific reports, vol. 10, no. 1, 10989.
Mansouri, A, Boutet, A, Elias, G, Germann, J, Yan, H, Babu, H, Lozano, AM & Valiante, TA 2020, 'Lesion Network Mapping Analysis Identifies Potential Cause of Postoperative Depression in a Case of Cingulate Low-Grade Glioma', World neurosurgery, vol. 133, pp. 278-282.
Brar, K, Hachem, LD, Badhiwala, JH, Mau, C, Zacharia, B, Moraes, FYD, Pirouzmand, F & Mansouri, A 2020, 'Management of Diffuse Low-Grade Glioma: The Renaissance of Robust Evidence', Frontiers in Oncology, vol. 10, 575658.
Remick, M, Ibrahim, GM, Mansouri, A & Abel, TJ 2020, 'Patient phenotypes and clinical outcomes in invasive monitoring for epilepsy: An individual patient data meta-analysis', Epilepsy and Behavior, vol. 102, 106652.
Zacharia, BE, Eichberg, DG, Ivan, ME, Hanft, S, Boockvar, JA, Isildak, H, Mansouri, A, Komotar, RJ & D’Amico, RS 2020, 'Surgical management of brain tumor patients in the COVID-19 era', Neurosurgery, vol. 87, no. 2, pp. E197-E200.
Daggubati, LC, Eichberg, DG, Ivan, ME, Hanft, S, Mansouri, A, Komotar, RJ, D'Amico, RS & Zacharia, BE 2020, 'Telemedicine for Outpatient Neurosurgical Oncology Care: Lessons Learned for the Future During the COVID-19 Pandemic', World neurosurgery, vol. 139, pp. e859-e863.
Warsi, NM, Zewude, R, Karmur, B, Pirouzmand, N, Hachem, L & Mansouri, A 2020, 'The cost-effectiveness of 5-ALA in high-grade glioma surgery: A quality-based systematic review', Canadian Journal of Neurological Sciences, vol. 47, no. 6, pp. 793-799.
Warsi, NM, Karmur, BS, Brar, K, Moraes, FY, Tsang, DS, Laperriere, N, Kondziolka, D & Mansouri, A 2020, 'The role of stereotactic radiosurgery in the management of brain metastases from a health-economic perspective: A systematic review', Neurosurgery, vol. 87, no. 3, pp. 484-497.


International Consortium on Meningiomas 2019, 'Advances in multidisciplinary therapy for meningiomas', Neuro-oncology, vol. 21, pp. I18-I31.
Koziarz, A, Sne, N, Kegel, F, Nath, S, Badhiwala, JH, Nassiri, F, Mansouri, A, Yang, K, Zhou, Q, Rice, T, Faidi, S, Passos, E, Healey, A, Banfield, L, Mensour, M, Kirkpatrick, AW, Nassar, A, Fehlings, MG, Hawryluk, GWJ & Almenawer, SA 2019, 'Bedside optic nerve ultrasonography for diagnosing increased intracranial pressure', Annals of internal medicine, vol. 171, no. 12, pp. 896-905.
Harmsen, IE, Elias, GJB, Beyn, ME, Boutet, A, Pancholi, A, Germann, J, Mansouri, A, Lozano, CS & Lozano, AM 2020, 'Clinical trials for deep brain stimulation: Current state of affairs', Brain Stimulation, vol. 13, no. 2, pp. 378-385.
Badhiwala, JH, Witiw, CD, Nassiri, F, Akbar, MA, Mansouri, A, Wilson, JR & Fehlings, MG 2019, 'Efficacy and safety of surgery for mild degenerative cervical myelopathy: results of the aospine North America and international prospective multicenter studies', Clinical Neurosurgery, vol. 84, no. 4, pp. 890-897.
International Consortium on Meningiomas 2019, 'Imaging and diagnostic advances for intracranial meningiomas', Neuro-oncology, vol. 21, pp. I44-I61.
Badhiwala, JH, Nassiri, F, Witiw, CD, Mansouri, SA, Almenawer, SA, Da Costa, L, Fehlings, MG & Wilson, JR 2019, 'Investigating the utility of intraoperative neurophysiological monitoring for anterior cervical discectomy and fusion: Analysis of over 140,000 cases from the National (Nationwide) Inpatient Sample data set', Journal of Neurosurgery: Spine, vol. 31, no. 1, pp. 76-86.
Agnihotri, S, Mansouri, S, Burrell, K, Li, M, Mamatjan, Y, Liu, J, Nejad, R, Kumar, S, Jalali, S, Singh, SK, Vartanian, A, Chen, EX, Karimi, S, Singh, O, Bunda, S, Mansouri, A, Aldape, KD & Zadeh, G 2019, 'Ketoconazole and Posaconazole Selectively Target HK2-expressing Glioblastoma Cells', Clinical Cancer Research, vol. 25, no. 2, pp. 844-855.
International Consortium on Meningiomas 2019, 'Life after surgical resection of a meningioma: A prospective cross-sectional study evaluating health-related quality of life', Neuro-oncology, vol. 21, pp. I32-I43.
Philteos, J, Karmur, BS & Mansouri, A 2019, 'MGMT Testing in Glioblastomas', American Journal of Clinical Oncology: Cancer Clinical Trials, vol. 42, no. 2, pp. 117-122.
Mansouri, A, Hachem, LD, Mansouri, S, Nassiri, F, Laperriere, NJ, Xia, D, Lindeman, NI, Wen, PY, Chakravarti, A, Mehta, MP, Hegi, ME, Stupp, R, Aldape, KD & Zadeh, G 2019, 'MGMT promoter methylation status testing to guide therapy for glioblastoma: Refining the approach based on emerging evidence and current challenges', Neuro-oncology, vol. 21, no. 2, pp. 167-178.
Yan, H, Katz, JS, Anderson, M, Mansouri, SA, Remick, M, Ibrahim, GM & Abel, TJ 2019, 'Method of invasive monitoring in epilepsy surgery and seizure freedom and morbidity: A systematic review', Epilepsia, vol. 60, no. 9, pp. 1960-1972.
International Consortium on Meningiomas 2019, 'Molecular and translational advances in meningiomas', Neuro-oncology, vol. 21, pp. I4-I17.
Taslimi, S, Zuccato, JA, Mansouri, A, Hachem, LD, Badhiwala, J, Kuchta, J, Chen, J & Pirouzmand, F 2019, 'Novel Statistical Analyses to Assess Hearing Outcomes After ABI Implantation in NF2 Patients: Systematic Review and Individualized Patient Data Analysis', World neurosurgery, vol. 128, pp. e669-e682.
Almeida, JP, Sanchez, MM, Karekezi, C, Warsi, N, Fernández-Gajardo, R, Panwar, J, Mansouri, A, Suppiah, S, Nassiri, F, Nejad, R, Kucharczyk, W, Ridout, R, Joaquim, AF, Gentili, F & Zadeh, G 2019, 'Pituitary Apoplexy: Results of Surgical and Conservative Management Clinical Series and Review of the Literature', World neurosurgery, vol. 130, pp. e988-e999.
Glicksman, RM, Tjong, MC, Neves-Junior, WFP, Spratt, DE, Chua, KLM, Mansouri, A, Chua, MLK, Berlin, A, Winter, JD, Dahele, M, Slotman, BJ, Bilsky, M, Shultz, DB, Maldaun, M, Szerlip, N, Lo, SS, Yamada, Y, Vera-Badillo, FE, Marta, GN & Moraes, FY 2019, 'Stereotactic Ablative Radiotherapy for the Management of Spinal Metastases: A Review', JAMA Oncology.
Mansouri, A, Taslimi, S, Abbasian, A, Badhiwala, JH, Akbar, MA, Alotaibi, NM, Almenawer, SA, Weil, AG, Fallah, A, Carmant, L & Ibrahim, GM 2019, 'Surgical outcomes for medically intractable epilepsy in low- and middle-income countries: A systematic review and meta-analysis', Journal of neurosurgery, vol. 131, no. 4, pp. 1068-1078.


He, J, Mansouri, A & Das, S 2018, 'Alpha thalassemia/mental retardation syndrome X-linked, the alternative lengthening of telomere phenotype, and gliomagenesis: Current understandings and future potential', Frontiers in Oncology, vol. 7, no. JAN, 322.
Hachem, LD, Mansouri, A, Scales, DC, Geerts, W & Pirouzmand, F 2018, 'Anticoagulant prophylaxis against venous thromboembolism following severe traumatic brain injury: A prospective observational study and systematic review of the literature', Clinical Neurology and Neurosurgery, vol. 175, pp. 68-73.
Yang, K, Nath, S, Koziarz, A, Badhiwala, JH, Ghayur, H, Sourour, M, Catana, D, Nassiri, F, Alotaibi, MB, Kameda-Smith, M, Manoranjan, B, Aref, MH, Mansouri, SA, Singh, S & Almenawer, SA 2018, 'Biopsy Versus Subtotal Versus Gross Total Resection in Patients with Low-Grade Glioma: A Systematic Review and Meta-Analysis', World neurosurgery, vol. 120, pp. e762-e775.
Samuel, N, Philteos, J, Alotaibi, NM, Ahuja, C, Mansouri, A & Kulkarni, AV 2018, 'Canadian Neurosurgery Educators’ Views on Stereotactic Radiosurgery in Residency Training', World neurosurgery, vol. 112, pp. e208-e215.
Mansouri, SA, Taslimi, S, Badhiwala, JH, Witiw, CD, Nassiri, F, Odekerken, VJJ, De Bie, RMA, Kalia, SK, Hodaie, M, Munhoz, RP, Fasano, A & Lozano, AM 2018, 'Deep brain stimulation for Parkinson's disease: Meta-analysis of results of randomized trials at varying lengths of follow-up', Journal of neurosurgery, vol. 128, no. 4, pp. 1199-1213.
Klironomos, G, Gonen, L, Au, K, Monteiro, E, Mansouri, SA, Turel, MK, Witterick, I, Vescan, A, Zadeh, G & Gentili, F 2018, 'Endoscopic management of Esthesioneuroblastoma: Our experience and review of the literature', Journal of Clinical Neuroscience, vol. 58, pp. 117-123.
Mansouri, A, Ku, JC, Khu, KJ, Mahmud, MR, Sedney, C, Ammar, A, Godoy, BL, Abbasian, A & Bernstein, M 2018, 'Exploratory Analysis into Reasonable Timeframes for the Provision of Neurosurgical Care in Low- and Middle-Income Countries', World neurosurgery, vol. 117, pp. e679-e691.
Witiw, CD, Mansouri, A, Mathieu, F, Nassiri, F, Badhiwala, JH & Fessler, RG 2018, 'Exploring the expectation-actuality discrepancy: a systematic review of the impact of preoperative expectations on satisfaction and patient reported outcomes in spinal surgery', Neurosurgical Review, vol. 41, no. 1, pp. 19-30.
Hachem, LD, Mansouri, A, Chen, J & Pirouzmand, F 2018, 'Feasibility of real-time intraoperative fluorescence imaging of dural sinus thrombosis', Journal of Clinical Neuroscience, vol. 52, pp. 153-155.
Badhiwala, JH, Nassiri, F, Witiw, CD, Mansouri, A, Alotaibi, N, Eagles, M, Almenawer, SA, Da Costa, L, Wilson, JR & Fehlings, MG 2018, 'Highly cited works in spinal disorders: The top 100 most cited papers published in spine journals', Spine, vol. 43, no. 24, pp. 1746-1755.
Mansouri, SA, Moraes, FY & Zadeh, G 2018, 'Nivolumab and ipilimumab in melanoma metastatic to the brain', New England Journal of Medicine, vol. 379, no. 22, pp. 2177-2178.
Badhiwala, JH, Witiw, CD, Nassiri, F, Jaja, BNR, Akbar, MA, Mansouri, SA, Merali, Z, Ibrahim, GM, Wilson, JR & Fehlings, MG 2018, 'Patient phenotypes associated with outcome following surgery for mild degenerative cervical myelopathy: a principal component regression analysis', Spine Journal, vol. 18, no. 12, pp. 2220-2231.
Mansouri, A & Ibrahim, GM 2018, 'Providing surgery for medically intractable epilepsy in low- and middle-income countries: Shifting the focus from if to how', JAMA neurology, vol. 75, no. 9, pp. 1041-1042.
Mansouri, A 2018, 'Surgery for Drug-Resistant Epilepsy in Children', The New England journal of medicine, vol. 378, no. 4.


Hachem, LD, Mansouri, A, Juraschka, K, Taslimi, S, Pirouzmand, F & Zadeh, G 2017, 'Citation classics in neuro-oncology: Assessment of historical trends and scientific progress', Neuro-oncology, vol. 19, no. 9, pp. 1158-1172.
Badhiwala, JH, Nassiri, F, Witiw, CD, Mansouri, SA, Almenawer, SA & Fehlings, MG 2017, 'Does Transection of the C2 Nerve Roots during C1 Lateral Mass Screw Placement for Atlantoaxial Fixation Result in a Superior Outcome?', Spine, vol. 42, no. 18, pp. E1067-E1076.
Alotaibi, NM, Samuel, N, Mansouri, A, Nejad, R & Macdonald, RL 2017, 'Glioblastoma Following Ischemic Stroke', The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques, vol. 44, no. 6, pp. 732-733.
Mansouri, A, Witiw, CD, Badhiwala, JH, Nassiri, F, McDonald, PJ, Kulkarni, AV, Zadeh, G & Kondziolka, D 2017, 'National Perspectives on the Training of Neurosurgery Residents in Stereotactic Radiosurgery', Canadian Journal of Neurological Sciences, vol. 44, no. 1, pp. 51-58.
Mansouri, A, Ghadakzadeh, S, Maqbool, T, Barnett, C, Au, K, Kongkham, P, Bril, V & Gelareh, Z 2017, 'Neurofibromatosis Clinic: A Report on Patient Demographics and Evaluation of the Clinic', Canadian Journal of Neurological Sciences, vol. 44, no. 5, pp. 577-588.
Aldakkan, A, Mansouri, A, Jaja, BNR, Alotaibi, NM, Macdonald, RL, Noble, A, Molyneux, A, Quinn, A, Schatlo, B, Lo, B, Jaja, BNR, Johnston, C, Hanggi, D, Hasan, D, Wong, GKC, Lantigua, H, Fukuda, H, Torner, J, Singh, J, Spears, J, Schaller, K, Stienen, MN, Vergouwen, MDI, Cusimano, MD, Todd, M, Tseng, M, Le Roux, P, Macdonald, RL, Yamagata, S, Mayer, S, Schenk, T & Schweizer, TA 2017, 'Predictors of Delayed Cerebral Ischemia in Patients with Aneurysmal Subarachnoid Hemorrhage with Asymptomatic Angiographic Vasospasm on Admission', World neurosurgery, vol. 97, pp. 199-204.
Jägersberg, M, Brodard, J, Qiu, J, Mansouri, A, Doglietto, F, Gentili, F, Kucharczyk, W, Fasel, J, Schaller, K & Radovanovic, I 2017, 'Quantification of Working Volumes, Exposure, and Target-Specific Maneuverability of the Pterional Craniotomy and Its Minimally Invasive Variants', World neurosurgery, vol. 101, pp. 710-717.e2.
Davidson, B, Nassiri, F, Mansouri, A, Badhiwala, JH, Witiw, CD, Shamji, MF, Peng, PW, Farb, RI & Bernstein, M 2017, 'Spontaneous Intracranial Hypotension: A Review and Introduction of an Algorithm For Management', World neurosurgery, vol. 101, pp. 343-349.
Nassiri, F, Badhiwala, JH, Witiw, CD, Mansouri, A, Davidson, B, Almenawer, SA, Lipsman, N, Da Costa, L, Pirouzmand, F & Nathens, AB 2017, 'The clinical significance of isolated traumatic subarachnoid hemorrhage in mild traumatic brain injury: A meta-analysis', Journal of Trauma and Acute Care Surgery, vol. 83, no. 4, pp. 725-731.
Nandakumar, P, Mansouri, A & Das, S 2017, 'The role of ATRX in glioma biology', Frontiers in Oncology, vol. 7, no. SEP, 236.
Aldakkan, A, Dunn, M, Warsi, NM, Mansouri, A & Marotta, TR 2017, 'Vascular Eagle’s syndrome: Two cases illustrating distinct mechanisms of cerebral ischemia', Journal of Radiology Case Reports, vol. 11, no. 8, pp. 1-7.

Clinical Trials Search

Children (age < 18 years)
Adults (age >= 18 years)