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Ashraf Samy Youssef, MD, PhD

College Of Medicine Neurosurgery

Director of Neuro-Endoscopy, Neurosurgery, USF

Director of Osman Microsurgery Laboratory, Neurosurgery, USF

Instructor of Microsurgical Anatomy, The Osman Microsurgical Laboratory, USF

Contact Info 2 Tampa General Circle
Tampa, FL 33606

Academic Email: ayoussef@health.usf.edu


  • Board Certified, Neurosurgery, American Board of Neurological Surgery, 2012
  • PHD, Ain Shams University*, 2000
  • MBBCH, Medicine, Ain Shams University*, 1991

Research Interests

  • Director of Osman Microsurgery Laboratory
  • Clinical Research: complex cranial surgery
  • Microsurgical anatomy and microsurgical techniques
  • Neuroendoscopy


  • National Academy of Inventors (Member, 2012 - Present)
  • North American Skull Base Society (Member, 2011 - Present)
  • American Association of Neurological Surgeons (Active Member, 2008 - Present)
  • Congress of Neurological Surgeons (Active Member, 2008 - Present)
  • Mayfield Society (Member, 2002 - Present)

Recent Publications

  • 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. , 2013. http://www.ncbi.nlm.nih.gov/pubmed/23288368
  • 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. http://www.ncbi.nlm.nih.gov/pubmed/23472845
  • 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. http://www.ncbi.nlm.nih.gov/pubmed/22576269
  • Youssef, AS.Ahmadian, A.Ramos, E.Vale, F.van Loveren, HR. Combined subgaleal/myocutaneous technique for temporalis muscle dissection. Journal of neurological surgery. Part B, Skull base. 73(6) : 387-93, 2012. http://www.ncbi.nlm.nih.gov/pubmed/24294555
  • Patel, SN.Youssef, AS.Vale, FL.Padhya, TA. Re-evaluation of the role of image guidance in minimally invasive pituitary surgery: benefits and outcomes. Computer aided surgery : official journal of the International Society for Computer Aided Surgery. 16(2) : 47-53, 2011. http://www.ncbi.nlm.nih.gov/pubmed/21291344
  • 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. http://www.ncbi.nlm.nih.gov/pubmed/21438020
  • Vale, FL.Ahmadian, A.Youssef, AS.Tatum, WO.Benbadis, SR. Long-term outcome of vagus nerve stimulation therapy after failed epilepsy surgery. Seizure : the journal of the British Epilepsy Association. 20(3) : 244-8, 2011. http://www.ncbi.nlm.nih.gov/pubmed/21196125
  • 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. http://www.ncbi.nlm.nih.gov/pubmed/21493902
  • 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. http://www.ncbi.nlm.nih.gov/pubmed/21318030
  • Youssef, AS.Sloan, AE. Extended transoral approaches: surgical technique and analysis. Neurosurgery. 66(3 Suppl) : 126-34, 2010. http://www.ncbi.nlm.nih.gov/pubmed/20173514
  • Uribe, JS.Ramos, E.Youssef, AS.Levine, N.Turner, AW.Johnson, WM.Vale, FL. Craniocervical fixation with occipital condyle screws: biomechanical analysis of a novel technique. Spine. 35(9) : 931-8, 2010. http://www.ncbi.nlm.nih.gov/pubmed/20375778
  • Youssef, AS.Uribe, JS.Ramos, E.Janjua, R.Thomas, LB.van Loveren, H. Interfascial technique for vertebral artery exposure in the suboccipital triangle: the road map. Neurosurgery. 67(2 Suppl Operative) : 355-61, 2010. http://www.ncbi.nlm.nih.gov/pubmed/21099558
  • Uribe, JS.Ramos, E.Baaj, A.Youssef, AS.Vale, FL. Occipital cervical stabilization using occipital condyles for cranial fixation: technical case report. Neurosurgery. 65(6) : E1216-7; discussion E1217, 2009. http://www.ncbi.nlm.nih.gov/pubmed/19934947
  • Youssef, AS.van Loveren, HR. Posterior clinoidectomy: dural tailoring technique and clinical application. Skull base : official journal of North American Skull Base Society ... [et al.]. 19(3) : 183-91, 2009. http://www.ncbi.nlm.nih.gov/pubmed/19881898
  • Youssef, AS.Downes, AE. Intraoperative neurophysiological monitoring in vestibular schwannoma surgery: advances and clinical implications. Neurosurgical focus. 27(4) : E9, 2009. http://www.ncbi.nlm.nih.gov/pubmed/19795957
  • 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. http://www.ncbi.nlm.nih.gov/pubmed/18928354
  • Youssef, AS.Guiot, B.Black, K.Sloan, AE. Modifications of the transoral approach to the craniovertebral junction: anatomic study and clinical correlations. Neurosurgery. 62(3 Suppl 1) : 145-54; discussion 154-5, 2008. http://www.ncbi.nlm.nih.gov/pubmed/18424980
  • Youssef, AS.Morgan, JM.Padhya, T.Vale, FL. Penetrating craniofacial injury inflicted by a knife. The Journal of trauma. 64(6) : 1622-4, 2008. http://www.ncbi.nlm.nih.gov/pubmed/16983297
  • Youssef, AS.Keller, JT.van Loveren, HR. Novel application of computer-assisted cisternal endoscopy for the biopsy of pineal region tumors: cadaveric study. Acta neurochirurgica. 149(4) : 399-406, 2007. http://www.ncbi.nlm.nih.gov/pubmed/17323197
  • Youssef, S.Kim, EY.Aziz, KM.Hemida, S.Keller, JT.van Loveren, HR. The subtemporal interdural approach to dumbbell-shaped trigeminal schwannomas: cadaveric prosection. Neurosurgery. 59(4 Suppl 2) : ONS270-7; discussion ONS277-8, 2006. http://www.ncbi.nlm.nih.gov/pubmed/17041497
  • Youssef, AS.Agazzi, S.van Loveren, HR. Transcranial surgery for pituitary adenomas. Neurosurgery. 57(1 Suppl) : 168-75; discussion 168-75, 2005. http://www.ncbi.nlm.nih.gov/pubmed/15987585
  • Youssef, AS.van Loveren, HR. Microvascular retractor: a new concept of retracting and repositioning cerebral blood vessels. Neurosurgery. 57(1 Suppl) : 199-202; discussion 199-202, 2005. http://www.ncbi.nlm.nih.gov/pubmed/15987589
  • Youssef, AS.Abdel Aziz, KM.Kim, EY.Keller, JT.Zuccarello, M.van Loveren, HR. The carotid-oculomotor window in exposure of upper basilar artery aneurysms: a cadaveric morphometric study. Neurosurgery. 54(5) : 1181-7; discussion 1187-9, 2004. http://www.ncbi.nlm.nih.gov/pubmed/15113474
  • Lippman, CR.Spence, CA.Youssef, AS.Cahill, DW. Correction of adult scoliosis via a posterior-only approach. Neurosurgical focus. 14(1) : e5, 2003. http://www.ncbi.nlm.nih.gov/pubmed/15766222
  • van Loveren, HR.Youssef, S. Commentary. Skull base : official journal of North American Skull Base Society ... [et al.]. 12(4) : 220, 2002. http://www.ncbi.nlm.nih.gov/pubmed/17167687

Positions Held

  • Director of Cerebrovascular (Department of Cerebrovascular, St. Joseph's Hospital 2010 - 2011)