The Barrow Neurological Institute is proud of its reputation as a medical research facility and is home to some of the most sophisticated research programs outside of an academic setting in the Southwestern United States. Researchers in the Barrow Neurosurgery Research Center are devoted to learning more about the causes of and treatments for a wide range of disorders, such as stroke, aneurysms, spinal cord injury, and hydrocephalus. Our research has led to treatments that are being used around the world. Within the Department are neurosurgeons who subspecialize in cerebrovascular and skull base, functional and stereotactic, pediatric, spine, tumor, and endovascular neurosurgery.

Physicians, scientists, and expert clinical staff come together with a commitment to developing new techniques for the prevention, diagnosis, treatment, and rehabilitation of neurological illnesses and injuries. The leadership of internationally respected physicians keeps Barrow at the forefront of neuroscience. The compassionate expertise of its extensive staff of nurses, technologists, therapists and support personnel is evident in every aspect of care provided.

Our mission is to advance the knowledge and practice of medicine in neuroscience through basic and clinical research, education of medical professionals, and innovation in clinical techniques and technology.

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Submissions from 2002

Proposed use of prophylactic decompressive craniectomy in poor-grade aneurysmal subarachnoid hemorrhage patients presenting with associated large Sylvian hematomas, Edward R. Smith, Bob S. Carter, Christopher S. Ogilvy, Steven L. Giannotta, Michael T. Lawton, J. Mocco, E. Sander Connolly, and Robert A. Solomon

Cavernous Malformations Presenting With Seizures: Therapeutic Options and Outcome, Kris A. Smith, Sam Javedan, Joseph M. Zabramski, David E. Blum, and Robert F. Spetzler

Stereotactic radiosurgery for pediatric intracranial arteriovenous malformations: The University of California at San Francisco experience, Matthew D. Smyth, Penny K. Sneed, Samuel F. Ciricillo, Michael S. Edwards, William M. Wara, David A. Larson, Michael T. Lawton, Philip H. Gutin, and Michael W. McDermott

Modified Classification of Spinal Cord Vascular Lesions, Robert F. Spetzler, Paul W. Detwiler, Howard A. Riina, and Randall W. Porter

N-butyl cyanoacrylate embolization of cerebral arteriovenous malformations: Results of a prospective, randomized, multi-center trial, Thomas A. Tomsick, Phillip Purdy, Michael Horowitz, Thomas Kopitnik, Duke Samson, Jacques Dion, Gregory Joseph, Robert Dawson, David Owens, Danial Barrow, John Barr, Stephen Powers, Kevin Cockroft, Brian Holmes, Maria Sumas, Robert Wallace, Thomas Masaryk, John Perl, Douglas Chyatte, John M. Tew, Harry Van Loveren, Mario Zuccarello, Michael Marks, Alexander Norbash, Gary Steinberg, Van Halbach, Randall Higashida, Christopher Dowd, Michael Lawton, Charles Wilson, Cameron McDougall, and Robert Spetzler

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Cervicomedullary junction compression caused by vertebral artery dolichoectasia and requiring surgical treatment. Case report, Eroboghene E. Ubogu, Cheré M. Chase, Margaret A. Verrees, Andrew K. Metzger, and Osama O. Zaidat

Magnetic source imaging demonstrates altered cortical distribution of function in patients with arteriovenous malformations, G. Edward Vates, Michael T. Lawton, Charles B. Wilson, Michael W. McDermott, Van V. Halbach, Timothy P.L. Roberts, Howard A. Rowley, Juha Jääskeläinen, Juha Hernesniemi, Jyrki Mäkelä, Nobuhiro Mikuni, Nobuo Hashimoto, Shahram Partovi, Robert F. Spetzler, Richard E. Latchaw, Oliver Ganslandt, and Rudolf Fahlbusch

Bow hunter stroke caused by cervical disc herniation. Case report, G Edward Vates, Kevin C. Wang, David Bonovich, Christopher F. Dowd, and Michael T. Lawton

Magnetic resonance imaging/spectroscopy of an intraaxial epidermoid: Similarity to an abscess: Case illustration, Cornelia S. Von Koch, Geoffrey Young, Cynthia T. Chin, and Michael T. Lawton

Magnetic resonance imaging/spectroscopy of an intraaxial epidermoid: similarity to an abscess. Case illustration, Cornelia S. von Koch, Geoffrey Young, Cynthia T. Chin, and Michael T. Lawton

Supratentorial Cavernous Malformations, John E. Wanebo, Giuseppe Lanzino, Joseph M. Zabramski, and Robert F. Spetzler

Anesthetic management of deep hypothermic circulatory arrest for cerebral aneurysm clipping, William L. Young, Michael T. Lawton, Dhanesh K. Gupta, and Tomoki Hashimoto

Submissions from 2001

Vertebral Artery Revascularization, Felipe C. Albuquerque and Robert F. Spetzler

The tandem bypass: Subclavian artery-to-middle cerebral artery bypass with dacron and saphenous vein grafts. Technical case report, Kurtis I. Auguste, Alfredo Quiones-Hinojosa, and Michael T. Lawton

Biomechanical Effects of Progressive Anterior Cervical Decompression, Tzu Yung Chen, Neil R. Crawford, Volker K.H. Sonntag, and Curtis A. Dickman

Current multimodality management of infectious intracranial aneurysms, Jay Y. Chun, Wade Smith, V. Van Halbach, Randall T. Higashida, Charles B. Wilson, and Michael T. Lawton

Biomechanics of Grade I Degenerative Lumbar Spondylolisthesis. Part 1: In Vitro Model, N. R. Crawford, S. Cagli, Volker K.H. Sonntag, and C. A. Dickman

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Cranioorbital fibrous dysplasia: with emphasis on visual impairment and current surgical management., A. S. Dumont, P. T. Boulos, J. A. Jane, D. B. Ellegala, S. A. Newman, and J. A. Jane

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Acute spinal cord injury, part I: Pathophysiologic mechanisms, Randall J. Dumont, David O. Okonkwo, Subodh Verma, R. John Hurlbert, Paul T. Boulos, Dilantha B. Ellegala, and Aaron S. Dumont

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Acute spinal cord injury, part II: Contemporary pharmacotherapy, Randall J. Dumont, Subodh Verma, David O. Okonkwo, R. John Hurlbert, Paul T. Boulos, Dilantha B. Ellegala, and Aaron S. Dumont

Assessment of Silent Embolism From Carotid Endarterectomy by Use of Diffusion-Weighted Imaging: Work in Progress, K. P.N. Forbes, Holly A. Shill, P. M. Britt, Joseph M. Zabramski, R. F. Spetzler, and J. E. Heiserman

Abnormal balance in the angiopoietin-tie2 system in human brain arteriovenous malformations, T Hashimoto, T Lam, N J. Boudreau, A W. Bollen, M T. Lawton, and W L. Young

Evidence of increased endothelial cell turnover in brain arteriovenous malformations, Tomoki Hashimoto, Ricardo Mesa-Tejada, Christopher M. Quick, Andrew W. Bollen, Shailendra Joshi, John Pile-Spellman, Michael T. Lawton, and William L. Young

C-reactive protein levels and viable Chlamydia pneumoniae in carotid artery atherosclerosis, S. Claiborne Johnston, Louis M. Messina, Warren S. Browner, Michael T. Lawton, Caroline Morris, and Deborah Dean

Intraoperative MR systems. Low-field approaches, J S. Lewin and A K. Metzger

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Pituitary Abscess [3] (multiple letters), N. F. Maartens, D. B. Ellegala, M. B.S. Lopes, G. E. Vates, and C. B. Wilson

Optimizing brain tumor resection. Low-field interventional MR imaging, A K. Metzger and J S. Lewin

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Quantification of cerebral perfusion with "real-time" contrast-enhanced ultrasound, Se Joong Rim, Howard Leong-Poi, Jonathan R. Lindner, Daniel Couture, Dilantha Ellegala, Holland Mason, Marcel Durieux, Neal F. Kassel, and Sanjiv Kaul

Spontaneous Intracraniai Hypotension Mimicking Aneurysmal Subarachnoid Hemorrhage, Wouter I. Schievink, Eelco F.M. Wijdicks, Fredric B. Meyer, and Volker K.H. Sonntag

Surgical Management of Foramen Magnum Tumors, Robert F. Spetzler and Jeffrey S. Herrn

Decision Making in Degenerative Cervical Spine Surgery, N. Theodore and Volker K.H. Sonntag

A neurocytoma and an associated lenticulostriate artery aneurysm presenting with intraventricular hemorrhage: case report, G E. Vates, K A. Arthur, S G. Ojemann, F Williams, and M T. Lawton

Conus perimedullary arteriovenous fistula with intracranial drainage: Case report, G. Edward Vates, Alfredo Quiñones-Hinojosa, Van V. Halbach, and Michael T. Lawton

Quantitative analysis of the transcondylar approach to the foramen magnum., John E Wanebo and M R Chicoine

Optimization of Gamma knife treatment planning via guided evolutionary simulated annealing., P Zhang, D Dean, A Metzger, and C Sibata

Transpetrosal Approaches, Geoffrey Zubay, Randall W. Porter, and Robert F. Spetzler

Submissions from 2000

Interposition Short Vein Grafts, P. W. Detwiler, Randall W. Porter, Joseph M. Zabramski, and Robert F. Spetzler

Endoscopic Spine Surgery, C. A. Dickman, P. W. Detweiler, and Randall W. Porter

The Role of Pedicle Screw Fixation for Lumbar Spinal Stabilization and Fusion, C. A. Dickman, P. W. Detwiler, and Randall W. Porter

Pediatric Cervical Spine Injuries: Report of 102 Cases and Review of the Literature, Mohammed A. Eleraky, Nicholas Theodore, Mark Adams, Harold L. Rekate, and Volker K.H. Sonntag

Intracranial Aneurysms and Arterial Hypertension: A Review and Hypothesis, Servet Inci and Robert F. Spetzler

Intraoperative magnetic resonance image guidance in neurosurgery., J S Lewin, A Metzger, and W R Selman

Endovascular treatment of cerebral artery aneurysms during pregnancy: Report of three cases, P. M. Meyers, V. V. Halbach, A. M. Malek, C. C. Phatouros, C. F. Dowd, M. T. Lawton, T. E. Lempert, and R. T. Higashida

Surgical Approaches to the Brain Stem, Randall W. Porter, Paul W. Detwiler, and Robert F. Spetzler

Surgical Technique for Resection Cavernous Malformations of the Brain Stem, Randall W. Porter, Paul W. Detwiler, and Robert F. Spetzler

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Results of transsphenoidal surgery for Cushing's disease in patients with no histologically confirmed tumor, J. M. Sheehan, M. Beatriz Lopes, J. P. Sheehan, D. Ellegala, K. M. Webb, Jr Laws, and W. F. Chandler

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Radiosurgery for Cushing's disease after failed transsphenoidal surgery, J. M. Sheehan, M. L. Vance, J. P. Sheehan, D. B. Ellegala, and Jr Laws

Fenestration of the posteroinferior cerebellar artery: Case report, P. V. Theodosopoulos and M. T. Lawton

Extreme Lateral Supracerebellar Infratentorial Approach to the Posterolateral Mesencephalon: Technique and Clinical Experience, A. Giancarlo Vishteh, Carlos A. David, Frederick F. Marciano, Ernesto Coscarella, and Robert F. Spetzler

Submissions from 1999

Long-Term Survival of a Patient With Invasive Cranial Base Rhinocerebral Mucormycosis Treated With Combined Endovascular Surgical and Medical Therapies: Case Report, Cargill H. Alleyne, A. Giancarlo Vishteh, Robert F. Spetzler, and Paul W. Detwiler

Late Angiographic Follow-Up Review of Surgically Treated Aneurysms, Carlos A. David, A. Giancarlo Vishteh, Robert F. Spetzler, Michael Lemole, Michael T. Lawton, and Shahram Partovi

Sporadic Unifocal Infantile Myofibromatosis Involving the Skull: Case Report, Pall W. Detwiler, Randall W. Porter, Stephen W. Coons, Robert F. Spetzler, Carlos A. Carrion, and Harold L. Rekate

Evaluating patients with vertebrobasilar transient ischemic attacks, J. Haase, I. B. Magnussen, C. S. Ogilvy, R. G. Ojemann, F. B. Meyer, D. O. Quest, M. T. Lawton, C. G. McDougall, R. F. Spetzler, D. Samson, A. Takahashi, T. Yoshimoto, J. I. Ausman, F. T. Charbel, G. Debrum, V. Aletich, and M. Dujovny

Subdural Hematoma From a Type I Spinal Arteriovenous Malformation: Case Report, Patrick P. Han, Nicholas Theodore, Randall W. Porter, Paul W. Detwiler, Michael T. Lawton, and Robert F. Spetzler

Ethmoidal dural arteriovenous fistulae: An assessment of surgical and endovascular management, Michael T. Lawton, Jay Chun, Charles B. Wilson, and Van V. Halbach

Surgical Strategies for Giant Intracranial Aneurysms, Michael T. Lawton and Robert F. Spetzler

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Modulation of macrophage and microglial responses to axonal injury in the peripheral and central nervous systems, Daniel A. Lazar, Dilantha B. Ellegala, Anthony M. Avellino, Andrew T. Dailey, Kate Andrus, and Michel Kliot

Spinal dural arteriovenous fistula with an associated feeding artery aneurysm: Case report, Adel M. Malek, Van V. Halbach, Constantine C. Phatouros, Randall T. Higashida, Christopher F. Dowd, Scott Wachhorst, and Michael T. Lawton

CNS Resident Award. Malignant meningiomas frequently lose multiple chromosomal regions in addition to 22q: putative meningioma progression loci identified by comparative genomic hybridization, A K. Metzger, Y A. Minn, D Lieberman, A W. Bollen, C B. Wilson, and B G. Feuerstein

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Multiple genetic aberrations including evidence of chromosome 11q13 rearrangement detected in pituitary adenomas by comparative genomic hybridization, A K. Metzger, G Mohapatra, Y A. Minn, A W. Bollen, K Lamborn, F M. Waldman, C B. Wilson, and B G. Feuerstein

Cavernous malformations of the brainstem: experience with 100 patients, R W. Porter, P W. Detwiler, R F. Spetzler, M T. Lawton, J J. Baskin, P T. Derksen, and J M. Zabramski

Pediatric Spine and Spinal Cord Trauma: State of the Art for the Third Millennium, Harold L. Rekate, Nicholas Theodore, Volker K.H. Sonntag, and Curtis A. Dickman

Intraoperative Spinal Angiography, Wouter I. Schievink, A. Giancarlo Vishteh, Cameron G. Mcdougall, and Robert F. Spetzler

Gliomas in rodent whisker barrel cortex: a new tumor model., E W Sherburn, John E Wanebo, P Kim, S K Song, M R Chicoine, and T A Woolsey

Neurological Surgery, Volker K.H. Sonntag, Paul W. Detwiler, and Randall W. Porter

Controversy in Operative Techniques for Cervical Spondylosis Discectomy: Autograft Versus Allograft Versus No Graft, A. Giancarlo Vishteh, J. J. Baskin, and Volker K.H. Sonntag

Submissions from 1998

Ossification of Posterior Longitudinal Ligament in the Cervical Spine: Clinical Manifestations and Surgical Treatment, S. Cagli, C. A. Dickman, and Volker K.H. Sonntag

Medulloblastoma Presenting With Tentorial "Dural-Tail" Sign: is the "Dural-Tail" Sign Specific for Meningioma?, Paul W. Detwiler, Jeffrey S. Henn, Randall W. Porter, Michael T. Lawton, William L. White, and Robert F. Spetzler

Vascular Decompression of a Vertebral Artery Loop Producing Cervical Radiculopathy, Paul W. Detwiler, Randall W. Porter, Timothy R. Harrington, Volker K.H. Sonntag, and Robert F. Spetzler

Return of Olfaction After Gross Total Resection of an Olfactory Groove Meningioma: Case Report, Mark Gerber, A. Giancarlo Vishteh, and Robert F. Spetzler

Hypothermic Circulatory Arrest in Neurovascular Surgery: Evolving Indications and Predictors of Patient Outcome, Michael T. Lawton, Peter A. Raudzens, Joseph M. Zabramski, and Robert F. Spetzler

Management of Posttraumatic Syringomyelia Using an Expansile Duraplasty, Allan D.O. Levi and Volker K.H. Sonntag

Brain Protection for Cerebral Aneurysm Surgery, W. I. Schievink and Joseph M. Zabramski

Surgical of Superficial Siderosis Associated With a Treatment Spinal Arteriovenous Malformation, Wouter I. Schievink, Paul J. Apostolides, and Robert F. Spetzler

Rupture of a Previously Documented Small Asymptomatic Intracranial Aneurysm in a Patient With Autosomal Dominant Polycystic Kidney Disease, Wouter I. Schievink, Virginia Prendergast, and Joseph M. Zabramski

Enhanced endogenous antioxidant activity and inhibition of cerebral vasospasm in rabbits by pretreatment with a nontoxic endotoxin analog, monophosphoryl lipid A., T Toyoda, A L Kwan, M Bavbek, N F Kassell, John E Wanebo, and K S Lee

Long-Term Graft Patency Rates and Clinical Outcomes After Revascularization for Symptomatic Traumatic Internal Carotid Artery Dissection, A. Giancarlo Vishteh, Frederick F. Marciano, Carlos A. David, Wouter I. Schievink, Joseph M. Zabramski, and Robert F. Spetzler

Thoracoscopic Approaches to the Thoracic Spine, M. Visocchi, R. Masferrer, Volker K.H. Sonntag, and C. A. Dickman

Systemic administration of the endothelin-A receptor antagonist TBC 11251 attenuates cerebral vasospasm after experimental subarachnoid hemorrhage: dose study and review of endothelin-based therapies in the literature on cerebral vasospasm., John E Wanebo, A S Arthur, H G Louis, K West, N F Kassell, K S Lee, and G A Helm

Orbitozygomatic Craniotomy: Technical Note, Joseph M. Zabramski, Talat Kiriş, Suresh K. Sankhla, Josep Cabiol, and Robert F. Spetzler

Submissions from 1997

Embolization and radiosurgery for AVMs, P J. Apostolides, M T. Lawton, K A. Smith, and R F. Spetzler

Reversed-Flow Saphenous Vein Grafts for Cerebral Revascularization: Technical Note, Carlos A. David, Joseph M. Zabramski, and Robert F. Spetzler

Foramen Magnum Meningiomas, C. A. David and Robert F. Spetzler

De Novo Formation of a Central Nervous System Cavernous Malformation: Implications for Predicting Risk of Hemorrhage. Case Report and Review of the Literature, Paul W. Detwiler, Randall W. Porter, Joseph M. Zabramski, and Robert F. Spetzler

Detection of delayed cerebral vasospasm, after rupture of intracranial aneurysms, by magnetic resonance angiography, P W. Detwiler, R Porter, M T. Lawton, and R F. Spetzler

Degenerative Lumbar Spinal Instability: Technical Aspects of Operative Treatment, D. G. Karahalios, P. J. Apostolides, and Volker K.H. Sonntag

Neurosurgery at the Barrow Neurological Institute, Shelley A. Kick, Volker K.H. Sonntag, and Robert F. Spetzler

Management of arteriovenous malformations: Part II, S Kobayashi, K Hongo, S N. Bhagwati, Z H. Rappaport, M T. Lawton, and R F. Spetzler

Management of arteriovenous malformations: Part II., S. Kobayashi, K. Hongo, S. N. Bhagwati, Z. H. Rappaport, M. T. Lawton, and R. F. Spetzler

Technical aspects and recent trends in the management of large and giant midbasilar artery aneurysms, Michael T. Lawton, C. Phillip Daspit, and Robert F. Spetzler

Juvenile Active Ossifying Fibroma: Report of Four Cases, Michael T. Lawton, Joseph E. Heiserman, Stephen W. Coons, Bruce D. Ragsdale, and Robert F. Spetzler

Redefined role of angiogenesis in the pathogenesis of dural arteriovenous malformations, Michael T. Lawton, Ronald Jacobowitz, and Robert F. Spetzler

Presigmoid approaches to skull base lesions, M T. Lawton, C P. Daspit, and R F. Spetzler

Treatment for Intracranial Dural Arteriovenous Malformations: A Meta- Analysis From the English Language Literature, Ceasar P. Lucas, Joseph M. Zabramski, Robert F. Spetzler, and Ronald Jacobowitz

Linkage of the Locus for Cerebral Cavernous Hemangiomas to Human Chromosome 7Q in Four Families of Mexican-American Descent, M. H. Polymeropoulos, O. Hurko, F. Hsu, J. Rubenstein, S. Basnet, K. Lane, H. Dietz, Robert F. Spetzler, and D. Rigamonti

Concurrent aneurysm rupture and thrombosis of high grade internal carotid artery stenosis: Report of two cases, Randall W. Porter, Michael T. Lawton, Mark G. Hamilton, and Robert F. Spetzler

Operative Approaches for Intractable Temporal Lobe Epilepsy, Kris A. Smith and Andrew G. Shetter

Discussion on Newly Diagnosed Rheumatoid With Lower Cranial Nerve Abnormalities, Volker K.H. Sonntag

Neurosurgical Spine Fellowships: the Phoenix Model, Volker K.H. Sonntag

Bone Flap Fixation: A New Technique, Robert F. Spetzler