Siviero Agazzi, MD, MBA,FACS

Assoc Professor, College Of Medicine Neurosurgery

College Of Medicine Neurosurgery

Chief, Division of Complex Cranial Surgery, Skull Base and Vascular Neurosurgery, USF

Director, Radiosurgery Program, Univ of South Florida

Contact Info 2 Tampa General Circle
Tampa, FL 33606

Academic Email:

Academic Phone: (813) 259-0830


  • FACS, Surgery, American College of Surgeons, 2015
  • MBA, Business, University of South Florida, 2010
  • Doctorate in Medicine, Neurosurgery, University of Geneva, 1999
  • MD, University Of Geneva, 1996

Academic Philosophy

"To provide the most advanced, effective and compassionate care to my patients. To bring answers to questions in the field of brain tumors and vascular neurosurgery. To pass along my knowledge and expertise to the next generation of neurosurgeons"

Interdisciplinary and Emerging Signature Programs

  • Neuroscience

Research Interests

  • Acoustic tumors,
  • Meningiomas,
  • Vascular malformations,
  • Intracranial aneurysms,
  • Brain metastases,
  • Pituitary tumors


  • Beta Gamma Sigma (member, 2010 - Present)
  • Neurocritical Care Society (member, 2009 - Present)
  • North American Skull Base Society (member, 2008 - Present)
  • Congress of Neurological Surgeons (member, 2005 - Present)
  • American Medical Association (member, 2003 - 2005)

Recent Publications

  • Sprenker C, Patel J, Camporesi E, Vasan R, Van Loveren H, Chen H, Agazzi S. Medical and neurologic complications of the current management strategy of angiographically negative nontraumatic subarachnoid hemorrhage patients. Journal of critical care. 30(1) : 216.e7-11, 2015.
  • Sivakanthan S, Carlson AP, van Loveren H, Agazzi S. Surgical clipping of a basilar perforator artery aneurysm: a case of avoiding perforator sacrifice. Journal of neurological surgery. Part A, Central European neurosurgery. 76(1) : 79-82, 2015.
  • Carlson AP, Loveren HR, Youssef AS, Agazzi S. Junctional Internal Carotid Artery Aneurysms: The Schrödinger's Cat of Vascular Neurosurgery. Journal of neurological surgery. Part B, Skull base. 76(2) : 150-6, 2015.
  • Lau T, Reintjes S, Olivera R, van Loveren HR, Agazzi S. C-shaped Incision for Far-Lateral Suboccipital Approach: Anatomical Study and Clinical Correlation. Journal of neurological surgery. Part B, Skull base. 76(2) : 117-21, 2015.
  • Van Gompel JJ, Alikhani P, Tabor MH, van Loveren HR, Agazzi S, Froelich S, Youssef AS. Anterior inferior petrosectomy: defining the role of endonasal endoscopic techniques for petrous apex approaches. Journal of neurosurgery. 120(6) : 1321-5, 2014.
  • Patel J, Vasan R, van Loveren H, Downes K, Agazzi S. The changing face of acoustic neuroma management in the USA: analysis of the 1998 and 2008 patient surveys from the acoustic neuroma association. British journal of neurosurgery. 28(1) : 20-4, 2014.
  • Sivakanthan S, Goldhagen C, Danner C, Agazzi S. Hearing loss and Chiari malformation: a clinical pearl. Clinical neurology and neurosurgery. 122: 20-2, 2014.
  • Sivakanthan S, Van Gompel JJ, Alikhani P, van Loveren H, Chen R, Agazzi S. Surgical management of trigeminal neuralgia: use and cost-effectiveness from an analysis of the Medicare Claims Database. Neurosurgery. 75(3) : 220-6; discussion 225-6, 2014.
  • Van Gompel JJ, Tabor MH, Youssef AS, Lau T, Carlson AP, van Loveren HR, Agazzi S. Field of view comparison between two-dimensional and three-dimensional endoscopy. The Laryngoscope. 124(2) : 387-90, 2014.
  • Miller T, Lau T, Vasan R, Danner C, Youssef AS, van Loveren H, Agazzi S. Reporting success rates in the treatment of vestibular schwannomas: are we accounting for the natural history? Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia. 21(6) : 914-8, 2014.
  • Van Gompel JJ, Patel J, Danner C, Zhang AN, Samy Youssef AA, van Loveren HR, Agazzi S. Acoustic neuroma observation associated with an increase in symptomatic tinnitus: results of the 2007-2008 Acoustic Neuroma Association survey. Journal of neurosurgery. 119(4) : 864-8, 2013.
  • Sweeney JM, Vasan R, van Loveren HR, Youssef AS, Agazzi S. Catheter fixation and ligation: a simple technique for ventriculostomy management following endovascular stenting. Journal of neurosurgery. 118(5) : 1009-13, 2013.
  • Ahmadian A, Mizzi A, Banasiak M, Downes K, Camporesi EM, Thompson Sullebarger J, Vasan R, Mangar D, van Loveren HR, Agazzi S. Cardiac manifestations of subarachnoid hemorrhage. Heart, lung and vessels. 5(3) : 168-78, 2013.
  • Vasan R, Patel J, Sweeney JM, Carpenter AM, Downes K, Youssef AS, van Loveren H, Agazzi S. Pediatric intracranial aneurysms: current national trends in patient management and treatment. Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery. 29(3) : 451-6, 2013.
  • Youssef AS, Willard L, Downes A, Olivera R, Hall K, Agazzi S, van Loveren H. The frontotemporal-orbitozygomatic approach: reconstructive technique and outcome. Acta neurochirurgica. 154(7) : 1275-83, 2012.
  • Lau T, Olivera R, Miller T, Downes K, Danner C, van Loveren HR, Agazzi S. Paradoxical trends in the management of vestibular schwannoma in the United States. Journal of neurosurgery. 117(3) : 514-9, 2012.
  • Huang MC, Baaj AA, Downes K, Youssef AS, Sauvageau E, van Loveren HR, Agazzi S. Paradoxical trends in the management of unruptured cerebral aneurysms in the United States: analysis of nationwide database over a 10-year period. Stroke; a journal of cerebral circulation. 42(6) : 1730-5, 2011.
  • Youssef AS, Downes AE, Agazzi S, Van Loveren HR. Life without the vein of Galen: Clinical and radiographic sequelae. Clinical anatomy (New York, N.Y.). 24(6) : 776-85, 2011.
  • Weinstein JS, Liu KC, Delashaw JB, Burchiel KJ, van Loveren HR, Vale FL, Agazzi S, Greenberg MS, Smith DA, Tew J. The safety and effectiveness of a dural sealant system for use with nonautologous duraplasty materials. Journal of neurosurgery. 112(2) : 428-33, 2010.
  • Le TV, Rumbak MJ, Liu SS, Alsina AE, van Loveren H, Agazzi S. Insertion of intracranial pressure monitors in fulminant hepatic failure patients: early experience using recombinant factor VII. Neurosurgery. 66(3) : 455-8; discussion 458, 2010.
  • Agazzi S, Youssef AS, van Loveren HR. The anterolateral approach for the transcranial resection of pituitary adenomas: technical note. Skull base : official journal of North American Skull Base Society ... [et al.]. 20(3) : 143-8, 2010.
  • Baaj AA, Agazzi S, Sayed ZA, Toledo M, Spetzler RF, van Loveren H. Surgical management of moyamoya disease: a review. Neurosurgical focus. 26(4) : E7, 2009.
  • Baaj AA, Agazzi S, van Loveren H. Graft selection in cerebral revascularization. Neurosurgical focus. 26(5) : E18, 2009.
  • Agazzi S, Chang S, Drucker MD, Youssef AS, Van Loveren HR. Sudden blindness as a complication of percutaneous trigeminal procedures: mechanism analysis and prevention. Journal of neurosurgery. 110(4) : 638-41, 2009.
  • D'Ambrosio AL, Agazzi S. Prognosis in patients presenting with brain metastasis from an undiagnosed primary tumor. Neurosurgical focus. 22(3) : E7, 2007.
  • Agazzi S, van Loveren HR, Trahan CJ, Johnson WM. Refinement of interbody implant testing in goats: a surgical and morphometric rationale for selection of a cervical level. Laboratory investigation. Journal of neurosurgery. Spine. 7(5) : 549-53, 2007.
  • Nakaji P, van Loveren HR, Agazzi S, Teo C. Clival incidentaloma. Skull base : official journal of North American Skull Base Society ... [et al.]. 16(4) : 219-22, 2006.
  • de Ribaupierre S, Meagher-Villemure K, Agazzi S, Rilliet B. Meningeal solitary fibrous tumour in a child. Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery. 22(6) : 619-22, 2006.
  • Youssef AS, Agazzi S, van Loveren HR. Transcranial surgery for pituitary adenomas. Neurosurgery. 57(1 Suppl) : 168-75; discussion 168-75, 2005.
  • Agazzi S, de Tribolet N, Uske A, Regli L. Quality of life after aneurysmal subarachnoid hemorrhage in the elderly. Cerebrovascular diseases (Basel, Switzerland). 18(2) : 174-5, 2004.
  • Agazzi S, Pampallona S, Pica A, Vernet O, Regli L, Porchet F, Villemure JG, Leyvraz S. The origin of brain metastases in patients with an undiagnosed primary tumour. Acta neurochirurgica. 146(2) : 153-7, 2004.
  • Agazzi S, Maeder P, Villemure JG, Regli L. De novo formation and growth of a sporadic cerebral cavernous malformation: implications for management in an asymptomatic patient. Cerebrovascular diseases (Basel, Switzerland). 16(4) : 432-5, 2003.
  • Agazzi S, Regli L, Uske A, Maeder P, de Tribolet N. Developmental venous anomaly with an arteriovenous shunt and a thrombotic complication. Case report. Journal of neurosurgery. 94(3) : 533-7, 2001.
  • Agazzi S, Burkhardt K, Rilliet B. Acute haemorrhagic presentation of an intracranial meningioma. Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia. 6(3) : 242-5, 1999.
  • Agazzi S, Reverdin A, May D. Posterior lumbar interbody fusion with cages: an independent review of 71 cases. Journal of neurosurgery. 91(2 Suppl) : 186-92, 1999.


  • Membership (Beta Gamma Sigma Honor Society for collegiate schools of business - 2010)
  • Best Clinical Doctorate Thesis (University of Geneva (Switzerland) - 1999)