Hanna Algattas MD
Hanna Algattas
MD
Assistant Professor
Jacobs School of Medicine & Biomedical Sciences
Specialty/Research Focus
Neuro-oncology; Neuro-Ophthalmology; Neuro-otology; Neurodegenerative Diseases; Neurological Surgery; Neuroradiology; Neurosurgery; Sports Medicine; Traumatic Brain Injury
Contact Information
Patient Care
Patient Care
This faculty member is affiliated with UBMD, practicing physicians who are also professors in the Jacobs School.
View this physician on UBMDProfessional Summary:
Dr. Hanna Algattas is an Assistant Professor of Neurosurgery at the University at Buffalo Medical School who joined the UBNS team in 2023. He specializes in complex open and endoscopic treatments of skull base and pituitary disease, neuro-oncology, and minimally invasive cranial surgery. He has additional interests in neurotrauma, degenerative spine disease, traumatic brain/spinal cord injury, and concussions.
After completing his undergraduate training at Colgate University with a degree in Cellular Neuroscience he then received his medical degree from the University of Rochester Medical Center. He then completed his residency training in neurological surgery at the University of Pittsburgh Medical Center. Dr. Algattas then completed fellowship training in open and endoscopic skull base surgery under the mentorship of Dr. Paul Gardner at the University of Pittsburgh Medical Center - an internationally renowned institution in skull base surgery and known for the advent of the expanded endonasal approach for minimally invasive removal of skull base tumors.
Dr. Algattas also completed a Sports Neurosurgery Fellowship, the first developed in the nation, under the mentorship of Drs. Joseph Maroon, Vincent Miele, and David Okonkwo. During his time at the University of Pittsburgh, he was awarded the inaugural Aequanimitas Award as recognition for his humility, compassion, and excellent care of patients.
Dr. Algattas has research interests in skull base and pituitary disease, neuro-oncology, craniocervical junction disorders, traumatic brain/spinal cord injury, and concussion.
Education and Training:
- Fellowship, Neurosurgical Sports Medicine, University of Pittsburgh Medical Center (2023)
- Fellowship, Open/Endoscopic Skull Base Surgery, University of Pittsburgh Medical Center (2023)
- Residency, Neurological Surgery, University of Pittsburgh Medical Center (2023)
- MD, Doctor of Medicine, University of Rochester Medical Center (2016)
- BA, Cellular Neuroscience, Colgate University, Summa Cum Laude (2012)
Employment:
- Assistant Professor of Neurosurgery, Neurosurgery, University at Buffalo Medical School (2023-present)
Awards and Honors:
- Minimally Invasive Brain Tumor Surgery Award (2022)
- Joseph C. Maroon Aequanimitas Award (2021)
- Neuroscience Research Foundation Grant (2020)
- Research Fellowship Grant (2020)
Journal Articles:
- Rubino F, Zenonos GA, Algattas H, Gardner PA, Fernandez-Miranda JC, Vigo V, DeMonte F, Raza SM. (2025) Impact of adjuvant radiation therapy on outcomes in grade 2 conventional chondrosarcoma. Journal of Neurosurgery (Aug)(1) doi:10.3171/2025.3.JNS242797
- Patel D, Riea S, Fritz AG, Lim J, Hess RM, Khan HS, Levy EI, Snyder KV, Algattas HN. (2025) Penetrating Traumatic Brain Injury with a Nail Gun: Technical Considerations and the Role of Cerebral Angiography. Illustrative Case. Journal of Neurosurgery Case Lessons (Nov)
- Almeida ND, Zhang JF, Cheruvu HK, Shen D, Shekher R, Goulenko V, Madhugiri VS, Algattas HN, Park DJ, Wang T, Prasad D. (2025) Radiotherapeutic Strategies and Advances in the Management of Pituitary Adenomas. Neuroendocrinology (Oct)
- Patel D, Riea S, Lim J, Khan H, Gugino L, Carver C, Snyder KV, Algattas HN. (2025) Adult-onset Medulloblastoma Presenting in the Setting of Untreated Spina Bifida: Illustrative Case. Journal of Neurosurgery Case Lessons (Mar), 13(9) doi:10.3171/CASE24897
- Ghannam MM, Moser M, Best DL, Awner S, Al Afif A, Reynolds RM, Markiewicz MR, Algattas HN. (2025) Open and Endoscopic Endonasal Optic Nerve Decompression for Craniofacial Fibrous Dysplasia in an Adolescent: 2-Dimensional Operative Video. Operative neurosurgery (Hagerstown, Md.) (Mar), 28(3): 440-441.
- Goulenko V, Madhugiri V, Almeida N, Nyabuto E, Locke K, Shekher R, Berger A, Algattas HN, Snyder K, Plunkett R, Prasad D. (2024) Hyper-Acute Necrosis of a Trigeminal Schwannoma After GKRS: A Case Report. Applied Radiation Oncology (Dec)
- Algattas HN, Gersey ZC, Fernandes Cabral D, Alattar AA, Abdallah H, Muthiah N, Khiyami A, Mehrotra N, Abdulwahid T, Wang EW, Snyderman CH, Zenonos GA, Fazeli PK, Gardner PA. (2024) Endoscopic endonasal resection of Rathke cleft cysts: a single-institution analysis of 148 consecutive patients. Journal of neurosurgery (Nov), 141(5): 1352-1362.
- Agarwal N, Anand SK, Nwachuku EL, Wilkins TE, Algattas H, Prem Kumar R, Deng H, Chang YF, Puccio A, Okonkwo DO. (2024) Neuroimaging with Rotterdam Scoring System and long-term outcomes in severe traumatic brain injury patients. British journal of neurosurgery (May)1-6. doi:10.1080/02688697.2024.2349749
- Algattas H, Mitha R, Agarwal N, Lang MJ. (2024) Bow Hunter Syndrome: An Illustrative Case and Operative Management. World neurosurgery (Feb), 182: 135.
- Algattas HN, Alattar AA, Okonkwo DO, Wang EW, Snyderman CH, Hamilton DK, Friedlander RM, Zenonos GA, Gardner PA. (2023) A novel classification and management scheme for craniocervical junction disorders with ventral neural element compression. Journal of neurosurgery (Jul)1-10.
- Agarwal N, Wilkins TE, Nwachuku EL, Deng H, Algattas H, Lavadi RS, Chang YF, Puccio A, Okonkwo DO. (2023) Long-term Benefits for Younger Patients with Aggressive Immediate Intervention following Severe Traumatic Brain Injury: A Longitudinal Cohort Analysis of 175 Patients from a Prospective Registry. Clinical neurology and neurosurgery (Jan), 224: 107545.
- Fields D, McDowell M, Schulien A, Algattas H, Abou-Al-Shaar H, Agarwal N, Alan N, Costacou T, Wang E, Snyderman C, Gardner P, Zenonos G. (2022) Low Preoperative Prealbumin Levels Are a Strong Independent Predictor of Postoperative Cerebrospinal Fluid Leak Following Endoscopic Endonasal Skull Base Surgery. World neurosurgery (Nov), 167: e110-e116.
- Patel A, Abou-Al-Shaar H, Mallela AN, Algattas H, McDowell MM, Zenonos GA, Wang EW, Snyderman CH, Gardner PA. (2022) Endoscopic Techniques in Vascular Neurosurgery. Neurosurgery clinics of North America (Oct), 33(4): 491-503.
- Abou-Al-Shaar H, Mallela AN, Algattas HN, Rogers R, Friedlander RM. (2022) Ventriculoperitoneal Shunt Failure Due to Distal Peritoneal Catheter Kinking. The American journal of case reports (Apr), 23: e935077. doi:10.12659/AJCR.935077
- Algattas HN, Okonkwo DO, Snyderman C, Gardner PA, Wang EW, Zenonos GA. (2021) Staged Repositioning in Endoscopic Endonasal Odontoidectomy Maximizes Decompression While Allowing Preservation of the C1 Anterior Arch: A Technical Note. World neurosurgery (Jul), 151: 118-123.
- Algattas H, Roy S, Agarwal N, Maroon J. (2021) COVID-19 Impact in Neurosurgery Residency: Grit During Pandemic. World neurosurgery (Jul), 151: e395-e398. doi:10.1016/j.wneu.2021.04.057
- Algattas HN, McCarthy D, Kujawski B, Agarwal N, Brown J, Forsythe RM, Leonardo J, Walsh K, Gross BA, Friedlander RM, Okonkwo DO, Whiting D, Miele VJ. (2021) Impact of Coronavirus Disease 2019 Shutdown on Neurotrauma Volume in Pennsylvania. World neurosurgery (Jul), 151: e178-e184. doi:10.1016/j.wneu.2021.04.004
- Patel A, Abou-Al-Shaar H, Chiang MC, Algattas HN, McDowell MM, Stone JG, Mitchell EB, Emery SP, Greene S. (2021) Neuroophthalmological manifestations of congenital aqueductal stenosis. Journal of neurosurgery. Pediatrics (Jun), 28(3): 320-325.
- Algattas HN, Wang EW, Zenonos GA, Snyderman CH, Gardner PA. (2021) Endoscopic endonasal surgery for anterior cranial fossa meningiomas. Journal of neurosurgical sciences (Apr), 65(2): 118-132.
- Algattas H, Setty P, Goldschmidt E, Wang EW, Tyler-Kabara EC, Snyderman CH, Gardner PA. (2020) Endoscopic Endonasal Approach for Craniopharyngiomas with Intraventricular Extension: Case Series, Long-Term Outcomes, and Review. World neurosurgery (Dec), 144: e447-e459.
- Goldschmidt E, Chabot JD, Algattas H, Lieber S, Khattar N, Nakassa ACI, Angriman F, Snyderman CH, Wang EW, Fernandez-Miranda JC, Gardner PA. (2020) Seizure Risk following Open and Expanded Endoscopic Endonasal Approaches for Intradural Skull Base Tumors. Journal of neurological surgery. Part B, Skull base (Dec), 81(6): 673-679. doi:10.1055/s-0039-1694968
- Algattas H, Abou-Al-Shaar H, Mendelson M, Arnold GL, Felker J, Meade J, Greene S. (2020) Familial Cerebral Cavernous Malformation Syndrome with Concomitant Fourth Ventricular Ependymoma: True Association or Mere Coincidence?. Cancer genetics (Jun), 244: 36-39.
- Jaman E, Goldschmidt E, Algattas H, Wang E, Snyderman CH, Gardner PA. (2019) Hormonal Fertility Therapy as Potential Risk Factor for Cerebrospinal Fluid Leak After Endoscopic Endonasal Surgery: Case Study and Literature Review. World neurosurgery (Aug), 128: 458-463.
- Piper K, DeAndrea-Lazarus I, Algattas H, Kimmell KT, Towner J, Li YM, Walter K, Vates GE. (2018) Risk Factors Associated with Readmission and Reoperation in Patients Undergoing Spine Surgery. World neurosurgery (Feb), 110: e627-e635.
- Algattas H, Damania D, DeAndrea-Lazarus I, Kimmell KT, Marko NF, Walter KA, Vates GE, Jahromi BS. (2018) Systematic Review of Safety and Cost-Effectiveness of Venous Thromboembolism Prophylaxis Strategies in Patients Undergoing Craniotomy for Brain Tumor. Neurosurgery (Feb), 82(2): 142-154.
- Piper K, Algattas H, DeAndrea-Lazarus IA, Kimmell KT, Li YM, Walter KA, Silberstein HJ, Vates GE. (2017) Risk factors associated with venous thromboembolism in patients undergoing spine surgery. Journal of neurosurgery. Spine (Jan), 26(1): 90-96.
- Algattas H, Cohen J, Agarwal N, Hamilton DK. (2017) Trends in the use of patient-reported outcome instruments in neurosurgical adult thoracolumbar deformity and degenerative disease literature. Journal of craniovertebral junction & spine (Jan), 8(2): 103-107. doi:10.4103/jcvjs.JCVJS_29_17
- Algattas H, Kimmell KT, Vates GE. (2016) Risk of Reoperation for Hemorrhage in Patients After Craniotomy. World neurosurgery (Mar), 87: 531-9.
- Algattas H, Kimmell KT, Petraglia AL, Maurer PK. (2016) Conservative management of a cervical ligamentum flavum hematoma: Case report. Surgical neurology international (Jan), 7(Suppl 3): S61-3. doi:10.4103/2152-7806.174887
- Kimmell KT, Algattas H, Joynt P, Schmidt T, Jahromi BS, Silberstein HJ, Vates GE. (2015) Risk Modeling Predicts Complication Rates for Spinal Surgery. Spine (Dec), 40(23): 1836-41.
- Algattas H, Kimmell KT, Vates GE, Jahromi BS. (2015) Analysis of Venous Thromboembolism Risk in Patients Undergoing Craniotomy. World neurosurgery (Nov), 84(5): 1372-9.
- Algattas H, Huang JH. (2013) Traumatic Brain Injury pathophysiology and treatments: early, intermediate, and late phases post-injury. International journal of molecular sciences (Dec), 15(1): 309-41. doi:10.3390/ijms15010309
- Algattas H, Huang JH. (2013) Neurotrauma and Repair Research: Traumatic Brain Injury (TBI) and its Treatments. Biomedical engineering and computational biology (Jan), 5: 51-6. doi:10.4137/BECB.S10968
Books and Book Chapters:
- Andrews E, Algattas H, Nowicki K, Zhang X, Agarwal N. (2025) Operative Fundamentals in Neurological Surgery. Thieme.
- Alattar A, Algattas H, Kimmell K, Vates GE. (2025) Neurosurgery Fundamentals Second Edition. In: The Operating Room. Thieme Publishers
- Algattas HN, Choby GW, Jankowitz B, Gardner PA. (2025) Cranioplasty. In: Operative Otolaryngology: Head and Neck Surgery. Elsevier
Abstracts:
- Head JR, Daniels KE, Abou-Al-Shaar H, Algattas HN, Okonkwo DO, Hamilton DK, Wang EW, Choby GW, Snyderman CH, Friedlander RM, Zenonos GA, Gardner PA. (2025) Evaluation of patients with platybasia and concomitant Chiari malformation and the need for upfront suboccipital craniectomy at the time of initial anterior decompression. J Neurol Surg B Skull Base, (Feb)
- Petoe I, Algattas HN, Rubino F, Snyderman CH, Gardner PA, Wang E, Choby G, Vera V, DeMonte F, Raza S, Fernandez-Miranda JC, Zenonos GA. (2025) Outcomes of skull base chondrosarcoma surgery: a retrospective analysis of multicenter registry. J Neurol Surg B Skull Base, (Feb)
- Jaikumar V, Lim J, Schrader S, Liu M, Joseph N, Algattas HN, Davies JM, Snyder KV, Levy EI, Siddiqui AH. (2025) Hypofractionated Radiosurgery for Intracranial Meningioma – A Systematic Review and Meta-Analysis of Literature. North American Skull Base Society 34th Annual Meeting. New Orleans, Louisiana (Feb)
- Shallwani H, Waqas M, Davies JM, McSpadden RM, Al Afif A, Algattas HN. (2025) Indocyanine Green (ICG) Use For Ophthalmic Artery Identification and Safe Optic Canal Opening During Expanded Endoscopic Endonasal Approach. North American Skull Base Society 34th Annual Meeting. New Orleans, Louisiana (Feb)
- Waqas M, Shallwani H, Lim J, Davies JM, McSpadden RM, Al Afif A, Algattas HN. (2025) A Tale of Two Etiologies: Uni-Narial, Endonasal Transfrontal Approach for Evacuation of Frontal Sinus Mucocele. North American Skull Base Society 34th Annual Meeting. New Orleans, Louisiana (Feb)
- Jaikumar V, Lim J, Raygor K, Khan HS, Monteiro A, Malueg M, Im J, Algattas HN, Siddiqui AH. (2025) Length of Transverse Sinus Covered by Stent is an Independent Predictor of Improved Visual Outcomes Following Venous Sinus Stenting in Patients with Idiopathic Intracranial Hypertension. North American Skull Base Society 34th Annual Meeting. New Orleans, Louisiana (Feb)
- Shallwani H, Waqas M, Lim J, Davies JM, McSpadden RM, Al Afif A, Algattas HN. (2025) Expanded Endonasal Approach to Tuberculum Sella Meningiomas. North American Skull Base Society 34th Annual Meeting. New Orleans, Louisiana (Feb)
- Shallwani H, Waqas M, Lim J, Davies JM, McSpadden RM, Al Afif A, Algattas HN. (2025) Expanded Endoscopic Endonasal Approach to Tuberoinfundibular Craniopharyngioma with Ventricular Extension. North American Skull Base Society 34th Annual Meeting. New Orleans, Louisiana (Feb)
- Waqas M, Shallwani H, Lim J, Algattas HN. (2025) One-Piece Orbitozygomatic Craniotomy for Giant Trigeminal Schwannoma of Infratemporal and Middle Fossa. North American Skull Base Society 34th Annual Meeting. New Orleans, Louisiana (Feb)
Professional Memberships:
- American Association of Neurological Surgeons (2023–present)
- Congress of Neurological Surgeons (2023–present)
Service Activities:
- Neurosurgery Participant Career Specialty Fair; Medical School Specialty Fair (2025)
- Created a Open and Endoscopic Anatomy Lab within medical school for resident, fellow, and medical student education; Neurosurgical Anatomy Lab Director (2025–present)
- Honoree in Humanism Society; Gold Humanism Honoree (2025)
- Run the monthly tumor board conference; Monthly Neurosurgery Tumor Board Educator (2025–present)
- Run the monthly multidisciplinary pituitary conference; Monthly Multidisciplinary Pituitary Conference (2023–present)