Arnold H. Menezes, MD

Vice Chairman
Professor of Neurosurgery

Contact Information

1824 JPP
200 Hawkins Dr
Iowa City, IA 52242


ISc, University of Bombay
MBBS, University of Bombay
Internship, University of Bombay
Resident, South Chicago Community Hospital
Resident, Surgery, University of Iowa Carver College of Medicine
Fellow, Pediatric Neurology, University of Iowa Carver College of Medicine
Resident, Neurosurgery, University of Iowa Carver College of Medicine, Department of Surgery

Licensure and Certifications

Board Certified, Recertified - American Board of Pediatric Neurological Surgery
Board Certified - American Board of Neurological Surgery
Indian Medical Council (permanent)

Research Summary

Research Interests: Craniovertebral junction, spinal dysraphic states, hydrocephalus, spinal bony compression lesions in children, cranial base, Chiari malformation, Syringomyelia--- Current Projects: Spinal bony compressive lesions, Rheumatoid arthritis and the cervical spine, Spine tumors, Spinal cord tumors and abnormalities, Tethered spinal cord, Craniovertebral junction-surgical techniques-investigations, Craniosynostosis-craniofacial dysostosis; Chiari abnormalities; Syringomyelia


Fam, M. D., Woodroffe, R. W., Helland, L., Noeller, J., Dahdaleh, N. S., Menezes, A. H. & Hitchon, P. W. (2018). Spinal arachnoid cysts in adults: diagnosis and management. A single-center experience. J Neurosurg Spine, Epub ahead of print. PMID: 30265227.

Woodroffe, R. W., Zanaty, M., Kirby, P., Dlouhy, B. J. & Menezes, A. H. (2018). Resection of a Pediatric Intramedullary Spinal Cord Tumor: 2-Dimensional Operative Video. Oper Neurosurg, Epub ahead of print. PMID: 30085227.

Menezes, A. H., Greenlee, J. D. & Dlouhy, B. J. (2018). Syringobulbia in pediatric patients with Chiari malformation type I. J Neurosurg Pediatr, 22(1), 52-60. PMID: 29701558.

Dlouhy, B. J., Menezes, A. H. (2018). Autologous cervical fascia duraplasty in 123 children and adults with Chiari malformation type I: surgical technique and complications. J Neurosurg Pediatr, 22(3), 297-305. PMID: 29932369.

Sun, D. Q., Menezes, A. H., Howard 3rd, M. A., Gantz, B. J., Hasan, D. M. & Hansen, M. R. (2018). Surgical Management of Tumors Involving Meckel's Cave and Cavernous Sinus: Role of an Extended Middle Fossa and Lateral Sphenoidectomy Approach. Otol Neurotol, 39(1), 82-91. PMID: 29135804.

Li, L., Ali, M., Menezes, A. H. & Dlouhy, B. J. (2017). Intracranial extradural arachnoid cyst in a child. Childs Nerv Syst, 33(12), 2201-4. PMID: 28744688.

Dlouhy, B. J., Dawson, J. D. & Menezes, A. H. (2017). Intradural pathology and pathophysiology associated with Chiari I malformation in children and adults with and without syringomyelia. J Neurosurg Pediatr, 20(6), 526-41. PMID: 29027876.

Dlouhy, B. J., Policeni, B. A. & Menezes, A. H. (2017). Reduction of atlantoaxial dislocation prevented by pathological position of the transverse ligament in fixed, irreducible os odontoideum: operative illustrations and radiographic correlates in 41 patients. J Neurosurg Spine, 27(1), 20-8. PMID: 28387614.

Menezes, A. H., Hitchon, P. W. & Dlouhy, B. J. (2017). Symptomatic spinal extradural arachnoid cyst with cord compression in a family: case report. J Neurosurg Spine, 27(3), 341-5. PMID: 28665244.

Flouty, O. E., Piscopo, A. J., Holland, M. T., Abode-Iyamah, K., Bruch, L., Menezes, A. H. & Dlouhy, B. J. (2017). Infantile cranial fasciitis: case-based review and operative technique. Childs Nerv Syst, 33(6), 899-908. PMID: 28451777.

Roche, J. P., Goates, A. J., Hasan, D. M., Howard, M. A., Menezes, A. H., Hansen, M. R. & Gantz, B. J. (2017). Treatment of Lateral Skull Base and Posterior Cranial Fossa Lesions Utilizing the Extended Middle Cranial Fossa Approach. Otol Neurotol, 38(5), 742-50. PMID: 28234787.

Grossbach, A. J., Mahaney, K. B. & Menezes, A. H. (2017). Pediatric meningiomas: 65-year experience at a single institution. J Neurosurg Pediatr, 20(1), 42-50. PMID: 28474981.

Ahmed, R., Menezes, A. H. & Torner, J. C. (2016). Role of resection and adjuvant therapy in long-term disease outcomes for low-grade pediatric intramedullary spinal cord tumors. J Neurosurg Pediatr, 18(5), 594-601. PMID: 27420482.

Dahdaleh, N. S., Khanna, R., Menezes, A. H., Smith, Z. A., Viljoen, S. V., Koski, T. R., Hitchon, P. W. & Dlouhy, B. J. (2016). The Application of the Revised Condyle-C1 Interval Method to Diagnose Traumatic Atlanto-occipital Dissociation in Adults. Global Spine J, 6(6), 529-34. PMID: 27555993.

Abode-Iyamah, K. O., Dlouhy, B. J., Lopez, A. J., Menezes, A. H., Hitchon, P. W. & Dahdaleh, N. S. (2016). Comparison of hinged and contoured rods for occipitocervical arthrodesis in adults: A clinical study. J Craniovertebr Junction Spine, 7(3), 171-5. PMID: 27630479.

Ahmed, R., Menezes, A. H. (2015). Clinical presentation and management of proatlas segmentation defect presenting with palatal myoclonus: case report. J Neurosurg Pediatr, 16(3), 317-21. PMID: 26023804.

Menezes, A. H., Greenlee, J. D., Longmuir, R. A., Hansen, D. R. & Abode-Iyamah, K. (2015). Syringohydromyelia in association with syringobulbia and syringocephaly: case report. J Neurosurg Pediatr, 15(6), 657-61. PMID: 26030334.

Flouty, O., Abode-Iyamah, K., Ahmed, R., Wilson, S. & Menezes, A. H. (2015). Junctional susceptibility of the pediatric spine: a case report. Childs Nerv Syst, 31(5), 797-800. PMID: 25260546.

Dlouhy, B. J., Dahdaleh, N. D. & Menezes, A. H. (2015). Evolution of transoral approaches, endoscopic endonasal approaches, and reduction strategies for treatment of craniovertebral junction pathology: a treatment algorithm update. Neurosurg Focus, 38(4), E8. PMID: 25828502.

Ahmed, R., Sheybani, A., Menezes, A. H., Buatti, J. M. & Hitchon, P. W. (2015). Disease outcomes for skull base and spinal chordomas: a single center experience. Clin Neurol Neurosurg, 130, 67-73. PMID: 25590662.

Menezes, A. H. (2014). Achondroplasia and brain stem dysfunction. (Vols. 56). (11), pp. 1036. Dev Med Child Neurol. PMID: 25040780.

Mahaney, K. B., Menezes, A. H. (2014). Intradiploic occipital pseudomeningocele in a patient with remote history of surgical treatment of Chiari malformation. PMID: 25147975.

Ahmed, R., Menezes, A. H., Awe, O. O. & Torner, J. C. (2014). Long-term disease and neurological outcomes in patients with pediatric intramedullary spinal cord tumors. J Neurosurg Pediatrd, 13(6), 600-12. PMID: 24702616.

Ahmed, R., Menezes, A. H., Awe, O. O., Mahaney, K. B., Torner, J. C. & Weinstein, S. L. (2014). Long-term incidence and risk factors for development of spinal deformity following resection of pediatric intramedullary spinal cord tumors. J Neurosurg Pediatr, 13(6), 613-21. PMID: 24702614.

Menezes, A. H., Ahmed, R. (2014). Primary atlantoaxial bone tumors in children: Management strategies and long-term follow-up. J Neurosurg Pediatr, 13(3), 260-72. PMID: 24437986.

Menezes, A. H. (2014). Clival and Craniovertebral Junction Chordomas. World Neurosurg, 81(5-6), 690-2. PMID: 23541755.

Menezes, A. H. (2014). Nosographic identification and management of pediatric craniovertebral junction anomalies: evolution of concepts and modalities of treatment. Adv Tech Stand Neurosurg, 40, 3-18. PMID: 24265042.

Abel, T. J., Howard 3rd, M. A. & Menezes, A. (2014). Syringomyelia and spinal arachnoiditis resulting from aneurysmal subarachnoid hemorrhage: Report of two cases and review of the literature. J Craniovertebr Junction Spine, 5(1), 47-51. PMID: 25013348.

Dahdaleh, N. S., Dlouhy, B. J. & Menezes, A. H. (2013). One-Step Fixation of Atlantoaxial Rotatory Subluxation: Technical Note and Report of Three Cases. World Neurosurg, 80(6), e391-5. PMID: 23159650.

Ahmed, R., Menezes, A. H. (2013). Management of operative complications related to occipitocervical instrumentation. Neurosurgery, 72(2 Suppl Operative), ONS 214-28. PMID: 23313976.

Grossbach, A. J., Abel, T. J., Menezes, A. H. & Howard, M. A. (2013). Transverse clival fracture associated with bilateral petrous fractures extending through the occipital bone. J Neurosurg, 118(4), 775. PMID: 23373798.

Menezes, A. H. (2013). Association bony malformations and instability in Chiari I malformation. In , R. S. Tubbs , W. J. Oakes (Eds.) The Chiari Malformations. pp. 181-9. New York, NY: Springer.

Menezes, A. H. (2012). Occipitoatlantal dislocation in an infant: fusion techniques. World Neurosurg, 78(6), 612-3. PMID: 22366742.

Menezes, A. H. (2012). Atlantoaxial arthrodesis with autograft versus allograft. World Neurosurg, 78(3-4), 239-40. PMID: 22366743.

Menezes, A. H. (2012). C2 neurectomy. World Neurosurg, 78(1-2), 80-1. PMID: 22120315.

Vogel, T. W., Dlouhy, B. J. & Menezes, A. H. (2012). Craniovertebral junction abnormality in a case of Joubert syndrome. Childs Nerv Syst, 28(7), 1109-12. PMID: 22231569.

Menezes, A. H. (2012). Craniocervical fusions in children. J Neurosurg Pediatr, 9(6), 573-85. PMID: 22656246.

Vogel, T. W., Menezes, A. H. (2012). Natural history and management of cervical spine disease in chondrodysplasia punctata and coumarin embryopathy. Childs Nerv Syst, 28(4), 609-19. PMID: 22274407.

Dahdaleh, N. S., Dlouhy, B. J. & Menezes, A. H. (2012). Application of neuromuscular blockade and intrapoerative 3D imaging in the reduction of basilar invagination. J Neurosurg Pediatr, 9(2), 119-24. PMID: 22295914.

Menezes, A. H. (2012). Craniovertebral junction abnormalities with hindbrain herniation and syringomyelia: regression of syringomyelia after removal of ventral craniovertbral junction compression. J Neurosurg, 116(2), 301-9. PMID: 22098202.

Lindley, T. E., Dahdaleh, N. S., Menezes, A. H. & Abode-Iyamah, K. O. (2011). Complications associated with recombinant human bone morphogenetic protein use in pediatric craniocervical arthrodesis. J Neurosurg Pediatr, 7(5), 468-74. PMID: 21529186.

Albert, G. W., Menezes, A. H. (2011). Ankylosing spondylitis of the craniovertebral junction: a single surgeon's experience. J Neurosurg Spine, 14(4), 429-36. PMID: 21294612.

Dlouhy, B. J., Menezes, A. H. (2011). Osteopetrosis with Chiari I malformation: presentation and surgical management. J Neurosurg Pediatr, 7(4), 369-74. PMID: 21456907.

Menezes, A. H. (2011). Current opinions for treatment of symptomatic hindbrain herniation or Chiari type I malformation. World Neurosurg, 75(2), 226-8. PMID: 21492723.

Albert, G. W., Menezes, A. H., Hansen, D. R., Greenlee, J. D. & Weinstein, S. L. (2010). Chiari malformation type I in children younger than age 6 years: Presentation and surgical outcome. J Neurosurg Pediatr, 5(6), 554-61. PMID: 20515326.

Menezes, A. H. (2010). Occipitocervical fixation. World Neurosurg, 73(6), 635-7. PMID: 20934146.

Smith, J. S., Shaffrey, C. I., Abel, M. F. & Menezes, A. H. (2010). Basilar invagination. Neurosurgery, 66(3 suppl), 39-47. PMID: 20173526.

Karam, Y. R., Menezes, A. H. & Traynelis, V. C. (2010). Posterolateral approaches to the craniovertebral junction. Neurosurgery, 66(3 suppl), 135-40. PMID: 20173516.

Menezes, A. H., Sonntag, V. K. & Wang, M. Y. (2010). The management of craniovertebral junction disorders. Forward. Neurosurgery, 66(3 suppl). PMID: 20173510.

Menezes, A. H. (2009). Editorial. Achondroplasia. J Neurosurg Pediatr, 4(4), 295-6. PMID: 19795958.

Menezes, A. H., Fenoy, K. A. (2009). Remnants of occipital vertebrae: proatlas segmentation abnormalities. Neurosurgery, 64(5), 945-53, discussion 954. PMID: 19404154.

Menezes, A. H., Traynelis, V. C. (2008). Anatomy and biomechanics of normal craniovertebral junction (a) and biomechanics of stabilization (b). Childs Nerv Syst, 24(10), 1091-100. PMID: 18389261.

Menezes, A. H. (2008). Craniocervical developmental anatomy and its implications. Childs Nerv Syst, 24(10), 1109-22. PMID: 18401563.

Menezes, A. H. (2008). Craniovertebral junction database analysis: Incidence, classification, presentation and treatment algorithms. Childs Nerv Syst, 24(10), 1101-8. PMID: 18392838.

Menezes, A. H. (2008). Craniovertebral junction neoplasms in the pediatric population. Childs Nerv Syst, 24(10), 1173-86. PMID: 18401564.

Menezes, A. H. (2008). Decision making. Childs Nerv Syst, 24(10), 1147-53. PMID: 18365212.

Menezes, A. H. (2008). Editorial on "The craniocervical junction and its abnormalities". Childs Nerv Syst, 24(10), 1089-90. PMID: 18351360.

Ahmed, R., Traynelis, V. C. & Menezes, A. H. (2008). Fusions at the craniovertebral junction. Childs Nerv Syst, 24(10), 1209-24. PMID: 18389260.

Dahdaleh, N. S., Menezes, A. H. (2008). Incomplete lateral medullary syndrome in a patient with Chiari malformation Type I presenting with combined trigeminal and vagal nerve dysfunction. J Neurosurg Pediatr, 2(4), 250-3. PMID: 18831657.

Brookes, J. T., Smith, R. J., Menezes, A. H. & Smith, M. C. (2008). Median labiomandibular glossotomy approach to the craniocervical region. Childs Nerv Syst, 24(10), 1195-201. PMID: 18437393.

Menezes, A. H., Vogel, T. W. (2008). Specific entities affecting the craniocervical junction: syndromes affecting the craniocervical junction. Childs Nerv Syst, 24(10), 1155-63. PMID: 18369644.

Menezes, A. H. (2008). Specific entities affecting the craniocervical region: Down's syndrome. Childs Nerv Syst, 24(10), 1165-8. PMID: 18421463.

Menezes, A. H. (2008). Specific entities affecting the craniocervical region: osteogenesis imperfecta and related osteochondrodysplasias: medical and surgical management of basilar impression. Childs Nerv Syst, 24(10), 1169-72. PMID: 18401562.

Menezes, A. H. (2008). Surgical approaches: postoperative care and complications "posterolateral-far lateral transcondylar approach to the ventral foramen magnum and upper cervical spinal canal". Childs Nerv Syst, 24(10), 1203-7. PMID: 18365213.

Menezes, A. H. (2008). Surgical approaches: postoperative care and complications "transoral-transpalatopharyngeal approach to the craniocervical junction". Childs Nerv Syst, 24(10), 1187-93. PMID: 18389262.

Albert, G. W., Campos, M., Menezes, A. H., Vogel, T. W. & Weinstein, S. L. (2008). Rachipagus parasite associated with myelocystocele and diastematomyelia. Pediatr Neurosurg, 44(5), 418-21. PMID: 18703891.

Fenoy, A. J., Menezes, A. H. & Fenoy, K. A. (2008). Craniocervical junction fusions in patients with hindbrain herniation and syringohydromyelia. J Neurosurg Spine, 9(1), 1-9. PMID: 18590404.

Fenoy, A. J., Menezes, A. H., Donovan, K. A. & Kralik, S. F. (2008). Calcium pyrophosphate dihydrate crystal deposition in the craniovertebral junction. J Neurosurg Spine, 8(1), 22-9. PMID: 18173343.

Menezes, A. H. (2007). Hypoplasia of C-1 in children with Down syndrome. J Neurosurg, 107(6 Suppl), 455-6. PMID: 18154011.

Menezes, A. H. (2007). Extensile exposures to the craniocervical junction and the upper cervical spine in children. Neurosurg Clin N Am, 18(4), 669-79. PMID: 17991590.

Greenlee, J. D., Fenoy, A. J., Donovan, K. A. & Menezes, A. H. (2007). Eosinophilic granuloma in the pediatric spine. Pediatr Neurosurg, 43(4), 285-92. PMID: 17627144.

Boyles, A. L., Enterline, D. S., Hammock, P. H., Siegel, D. G., Slifer, S. H., Mehltretter, L., Gilbert, J. R., Hu-Lince, D., Stephan, D., Batzdorf, U., Benzel, E., Ellenbogen, R., Green, B. A., Kula, R., Menezes, A. H., Mueller, D., Oro, J. J., Iskandar, B. J., George, T. M., Milhorat, T. H. & Speer, M. C. (2006). Phenotypic definition of Chiari type I malformation coupled with high-density SNP genome screen shows significant evidence for linkage to regions on chromosomes 9 and 15. Am J Med Genet A, 140(24), 2776-85. PMID: 17103432.

Fenoy, A. J., Greenlee, J. D., Menezes, A. H., Donovan, K. A., Sato, Y., Hitchon, P. W. & Chaloupka, J. C. (2006). Primary bone tumors of the spine in children. J Neurosurg, 105(4 Suppl), 252-60. PMID: 17328273.

Guillaume, D. J., Menezes, A. H. (2006). Retroclival hematoma in the pediatric population. Report of two cases and review of the literature. J Neurosurg, 105(4 Suppl), 321-5. PMID: 17328284.

Menezes, A. H. (2006). Osteogenesis imperfecta. J Neurosurg, 105(3), 359-60. PMID: 16961126.

Oral, R., Rahhal, R., Elshershari, H. & Menezes, A. H. (2006). Intentional avulsion fracture of the second cervical vertebra in a hypotonic child. Pediatr Emerg Care, 22(5), 352-4. PMID: 16714964.

Menezes, A. H., Traynelis, V. C. (2006). Spinal neurenetric cysts in the magnetic resonance imaging era. Neurosurgery, 58(1), 97-105. PMID: 16385333.

Greenlee, J. D., Menezes, A. H., Bertoglio, B. A. & Donovan, K. A. (2005). Syringobulbia in a pediatric population. Neurosurgery, 57(6), 1147-53. PMID: 16331163.

Menezes, A. H. (2005). Conception to implication: craniocervical junction database and treatment algortihm. Clin Neurosurg, 52, 154-62. PMID: 16626066.

Menezes, A. H. (2005). Craniocervical developmental anatomy and its implications. Clin Neurosurg, 52, 53-64. PMID: 16626054.

Menezes, A. H., Greenlee, J. D. & Donovan, K. A. (2005). Lifetime experiences and where we are going: Chiari I with syringohydromyelia--controversies and development of decision trees. Clin Neurosurg, 52, 297-305. PMID: 16626086.

Mollano, A. V., Weinstein, S. L. & Menezes, A. H. (2005). Significant scoliosis regression following syringomyelia decompression: case report. Iowa Orthop J, 25, 57-9. PMID: 16089074.

Menezes, A. H., Traynelis, V. C., Fenoy, A. J., Gantz, B. J., Kralik, S. F. & Donovan, K. A. (2005). Surgery at the crossroads: craniocervical neoplasms. Clin Neurosurg, 52, 218-28. PMID: 16626074.

Menezes, A. H. (2004). Evaluation and treatment of congenital anomalies of the cervical spine. J Neurosurg Spine, 1(2), 188-97. PMID: 15347005.

Ackerman, L. L., Menezes, A. H. (2003). Spinal congenital dermal sinuses: a 30-year experience. Pediatrics, 112(3 pt 1), 641-7. PMID: 12949296.

Wiggins, G. C., Shaffrey, C. I., Abel, M. F. & Menezes, A. H. (2003). Pediatric spinal deformities. Neurosurg Focus, 14(1), e3. PMID: 15766220.

Greenlee, J. D., Donovan, K. A., Hasan, D. M. & Menezes, A. H. (2002). Chiari I malformation in the very young child: the spectrum of presentations and experience in 31 children under age 6 years. Pediatrics, 110(6), 1212-9. PMID: 12456921.

Menezes, A. H. (2002). Cerebral oedema following EVD insertion for delayed hydrocephalus after foramen magnum decompression in Chiari I malformations. Childs Nerv Syst, 18(9-10), 483-4. PMID: 12382172.

Ackerman, L. L., Menezes, A. H. & Follett, K. A. (2002). Cervical and thoracic dermal sinus tracts. A case series and review of the literature. Pediatr Neurosurg, 37(3), 137-47. PMID: 12187058.

Paulino, A. C., Wen, B. C., Buatti, J. M., Hussey, D. H., Zhen, W. K., Mayr, N. A. & Menezes, A. H. (2002). Intracranial ependymomas: an analysis of prognostic factors and patterns of failure. Am J Clin Oncol, 25(2), 117-22. PMID: 11943886.

Taggard, D. A., Menezes, A. H. (2001). Successful use of rib grafts for cranioplasty in children. Pediatr Neurosurg, 34(3), 149-55. PMID: 11359103.

Heth, J. A., Kirby, P. & Menezes, A. H. (2000). Intraspinal familial clear cell meningioma in a mother and child. Case report. J Neurosurg, 93(2 Suppl), 317-21. PMID: 11012068.

Taggard, D. A., Menezes, A. H. (2000). Three choroid plexus papillomas in a patient with Aicardi syndrome. Case report. Pediatr Neurosurg, 33(4), 219-23. PMID: 11124640.

Taggard, D. A., Menezes, A. H. & Ryken, T. C. (2000). Treatment of Down syndrome-associated craniovertebral junction abnormalities. J Neurosurg, 93(2 Suppl), 205-13. PMID: 11012050.

Manaligod, J. M., Bauman, N. M., Menezes, A. H. & Smith, R. J. (1999). Cervical vertebral anomalies in patients with anomalies of the head and neck. Ann Otol Rhinol Laryngol, 108(10), 925-33. PMID: 10526846.

Greenlee, J., Garell, P. C., Stence, N. & Menezes, A. H. (1999). Comprehensive approach to Chiari malformation in pediatric patients. Neurosurg Focus, 6(6), e4. PMID: 16972750.

Ryken, T. C., Menezes, A. H. (1999). Inflammatory bowel disease and the craniocervical junction. Neurosurgical Focus, 6(6), e10. PMID: 16972747.

Taggard, D. A., Menezes, A. H. & Ryken, T. C. (1999). Instability of the craniovertebral junction and treatment outcomes in patients with Down's syndrome. Neurosurg Focus, 6(6), e3. PMID: 16972749.

Menezes, A. H. (1999). Pathogenesis, dynamics, and management of os odontoideum. Neurosurg Focus, 6(6), e2. PMID: 16972748.

Wellman, B. J., Traynelis, V. C., McCulloch, T. M., Funk, G. F., Menezes, A. H. & Hoffman, H. T. (1999). Midline anterior craniofacial approach for malignancy: results of en bloc versus piecemeal resections. Skull Base Surg, 9(1), 41-6. PMID: 17171080.

Garell, P. C., Menezes, A. H., Baumbach, G., Moore, S. A., Nelson, G., Mathews, K. & Afifi, A. K. (1998). Presentation, management and follow-up of Schilder's disease. Pediatr Neurosurg, 29(2), 86-91. PMID: 9792962.

Sawin, P. D., Traynelis, V. C. & Menezes, A. H. (1998). A comparative analysis of fusion rates and donor-site morbidity for autogenic rib and iliac crest bone grafts in posterior cervical fusions. J Neurosurg, 88(2), 255-65. PMID: 9452233.

Robertson, S. C., Menezes, A. H. (1998). Occipital calvarial bone graft in posterior occipitocervical fusion. Spine (Phila Pa 1976), 23(2), 249-55. PMID: 9474734.

Afifi, A. K., Menezes, A. H. (1997). Rostral slit-like extension of holochord syringomyelic cavity: childhood-onset case and review of literature. J Child Neurol, 12(8), 515-8. PMID: 9430318.

Menezes, A. H. (1997). Craniovertebral junction anomalies: Diagnosis and management. Semin Pediatr Neurol, 4(3), 209-23. PMID: 9323790.

Robertson, S. C., Ackerman, L. L., Traynelis, V. C. & Menezes, A. H. (1997). Increased height in patients with medulloblastomas. Neurosurgery, 41(3), 561-6. PMID: 9310972.

Sawin, P. D., Menezes, A. H. (1997). Neuromuscluar scoliosis: diagnostic and therapeutic considerations. Semin Pediatr Neurol, 4(3), 224-42. PMID: 9323791.

Robertson, S. C., Traynelis, V. C., Follett, K. A. & Menezes, A. H. (1997). Idiopathic spinal epidural lipomatosis. Neurosurgery, 41(1), 68-75. PMID: 9218297.

Sawin, P. D., Menezes, A. H. (1997). Basilar invagination in osteogenesis imperfecta and related osteochondrodysplasias: medical and surgical management. J Neurosurg, 86(6), 950-60. PMID: 9171173.

Menezes, A. H. (1997). Presidental address. Changing world of healthcare competition and the spinal neurosurgeon. Spine (Phila Pa 1976), 22(6), 587-8. PMID: 9089929.

Beer, S. J., Menezes, A. H. (1997). Primary tumors of the spine in chidren. Natural history, management, and long term follow-up. Spine (Phila Pa 1976), 22(6), 649-59. PMID: 9089938.

Menezes, A. H., Gantz, B. J., Traynelis, V. C. & McCulloch, T. M. (1997). Cranial base chordomas. Clin Neurosurg, 44, 491-509. PMID: 10080023.

Robertson, S. C., Menezes, A. H. (1997). Hemorrhagic complications in association with silastic dural substitute: pediatric and adult case reports with a review of the literature. Neurosurgery, 40(1), 201-6. PMID: 8971845.

Afifi, A. K., Menezes, A. H., Reed, L. A. & Bell, W. E. (1996). Atypical presentation of X-linked childhood adrenoleukodystrophy with an unusual magnetic resonance imaging pattern. J Child Neurol, 11(6), 497-9. PMID: 9120233.

Zunkeler, B., Schelper, R. & Menezes, A. H. (1996). Periodontoid calcium pyrophosphate dihydrate deposition disease: "pseudogout" mass lesions of the craniocervical junction. J Neurosurg, 85(5), 803-9. PMID: 8893717.

Sawin, P. D., Muhonen, M. G. & Menezes, A. H. (1996). Quantitative analysis of cerebrospinal fluid spaces in children with occipital plagiocephaly. J Neurosurg, 85(3), 428-34. PMID: 8751628.

Bell, W. E., Menezes, A. H. (1996). Sudden attacks of head pain in a young child. Semin Pediatr Neurol, 3(3), 198-201. PMID: 8883158.

Piper, J. G., Menezes, A. H. (1996). Management strategies for tumors of the axis vertebra. J Neurosurg, 84(4), 543-51. PMID: 8613844.

Hart, R. A., Weinstein, J. N. & Menezes, A. H. (1996). Posterolateral approach for anterior resection and posterior stabilization of the upper cervical spine: A case report. Iowa Orthop J, 16, 157-160. PMID: 9129289.

Muhonen, M. G., Piper, J. G. & Menezes, A. H. (1995). Pathogenesis and treatment of growing skull fractures. Surg Neurol, 43(4), 367-73. PMID: 7792708.

Muhonen, M. G., Piper, J. G., Moore, S. A. & Menezes, A. H. (1995). Cervical epidural hematoma secondary to an extradural vascular malformation in an infant: case report. Neurosurgery, 36(3), 585-8. PMID: 7753359.

Menezes, A. H., Ryken, T. C. (1995). Craniocervical intradural neureneteric cysts. Pediatr Neurosurg, 22(2), 88-95. PMID: 7710978.

Menezes, A. H. (1995). Primary craniovertebral anomalies and the hindbrain herniation syndrome (Chiari I): data base analysis. Pediatr Neurosurg, 23(5), 260-9. PMID: 8688351.

Menezes, A. H., Sato, Y. (1995). Primary tumors of the spine in children--natural history and management. 1990. Pediatr Neurosurg, 23(2), 101-14. PMID: 8555095.

Afifi, A. K., Bell, W. E., Menezes, A. H. & Moore, S. A. (1994). Myelinoclastic diffuse sclerosis (Schilder's disease): report of a case and review of the literature. J Child Neurol, 9(4), 398-403. PMID: 7822732.

Ryken, T. C., Menezes, A. H. (1994). Cervicomedullary compression in achondroplasia. J Neurosurg, 81(1), 43-8. PMID: 8207526.

Menezes, A. H., Traynelis, V. C. & Gantz, B. J. (1994). Surgical approaches to the craniovertebral junction. Clin Neurosurg, 41, 187-203. PMID: 7842603.

Ryken, T. C., Menezes, A. H. (1993). Nonrheumatoid cranial settling. Spine (Phila Pa 1976), 18(16), 2525-7. PMID: 8303459.

Trigg, M. E., Menezes, A. H., Giller, R., Lanza, L., Smith, R. J., Sato, Y., Peters, C. & Altman, A. (1993). Combined anti-fungal therapy and surgical resection as treatment of disseminated aspergillosis of the lung and brain following BMT. Bone Marrow Transplant, 11(6), 493-6. PMID: 8392887.

Ryken, T. C., Menezes, A. H. (1993). Cervicomedullary compression by separate atlantal lateral mass. Pediatr Neurosurg, 19(3), 165-8. PMID: 8499328.

Traynelis, V. C., Ryken, T. C., Rodnitzky, R. L. & Menezes, A. H. (1992). Botulinum toxin enhancement of postoperative immobilization in patients with cervical dystonia. Technical Note. J Neurosurg, 77(5), 808-9. PMID: 1403128.

Haddad, S. F., Moore, S. A., Menezes, A. H. & VanGilder, J. C. (1992). Ganglioglioma: 13 years of experience. Neurosurgery, 31(2), 171-8. PMID: 1513423.

Afifi, A. K., Bell, W. E. & Menezes, A. H. (1992). Etiology of lateral rectus palsy in infancy and childhood. J Child Neurol, 7(3), 295-9. PMID: 1634753.

Muhonen, M. G., Menezes, A. H., Sawin, P. D. & Weinstein, S. L. (1992). Scoliosis in pediatric Chiari malformations without myelodysplasia. J Neurosurg, 77(1), 69-77. PMID: 1607974.

Osenbach, R. K., Menezes, A. H. (1992). Pediatric spinal cord and vertebral column injury. Neurosurgery, 30(3), 385-90. PMID: 1620302.

Menezes, A. H. (1992). Chiari I malformations and hydromyelia-complications. Pediatr Neurosurg, 17(3), 146-54. PMID: 1819330.

Menezes, A. H. (1992). Complications of surgery at the craniovertebral junction-- avoidance and management. Pediatr Neurosurg, 17(5), 254-66. PMID: 1822691.

Menezes, A. H., Ryken, T. C. (1992). Craniovertebral abnormalities in Down's syndrome. Pediatr Neurosurg, 18(1), 24-33. PMID: 1419839.

Osenbach, R. K., Menezes, A. H. (1992). Diagnosis and management of Dandy-Walker malformation: 30 years of experience. Pediatr Neurosurg, 18(4), 179-89. PMID: 1472430.

Hitchon, P. W., Osenbach, R. K., Yuh, W. T. & Menezes, A. H. (1992). Spinal infections. Clin Neurosurg, 38, 373-87. PMID: 1537194.

Menezes, A. H. (1992). The anterior midline approach to the craniocervical region in children. Pediatr Neurosurg, 18(5-6), 272-81. PMID: 1476936.

Haddad, S. F., VanGilder, J. C. & Menezes, A. H. (1991). Pediatric pituitary tumors. Neurosurgery, 29(4), 509-14. PMID: 1944830.

Haddad, S. F., Menezes, A. H., Bell, W. E., Godersky, J. C., Afifi, A. K. & Bale, J. F. (1991). Brain tumors occurring before 1 year of age: a retrospective review of 22 cases in an 11-year period (1977-1987). Neurosurgery, 29(1), 8-13. PMID: 1651461.

Menezes, A. H. (1991). Anterior approaches to the craniocervical junction. Clin Neurosurg, 37, 756-69. PMID: 2009717.

Osenbach, R. K., Youngblood, L. A. & Menezes, A. H. (1990). Atlanto-axial instability secondary to solitary eosinophilic granuloma of C2 in a 12-year-old girl. J Spinal Disord, 3(4), 408-12. PMID: 2134458.

Osenbach, R. K., Hitchon, P. W. & Menezes, A. H. (1990). Diagnosis and management of pyogenic vertebral osteomyelitis in adults. Surg Neurol, 33(4), 266-75. PMID: 2326732.

Muhonen, M. G., Menezes, A. H. (1990). Weaver syndrome and instability of the upper cervical spine. J Pediatr, 116(4), 596-9. PMID: 2319408.

Detwiler, K., Loftus, C. M., Godersky, J. C. & Menezes, A. H. (1990). Management of cervical spine injuries in patients with ankylosing spondylitis. J Neurosurg, 72(2), 210-5. PMID: 2295918.

Menezes, A. H. (1989). Management of intraventricular hemorrhage secondary to ruptured arteriovenous malformation in a child with von Willebrand's disease. J Neurol Neurosurg Psychiatry, 52(12), 1452-4. PMID: 2614460.

Dyste, G. N., Menezes, A. H. & VanGilder, J. C. (1989). Symptomatic Chiari malformations. An analysis of presentation, management, and long-term outcome. J Neurosurg, 71(2), 159-68. PMID: 2746341.

Yuh, W. T., Lozano, R. L., Flickinger, F. W., Sato, Y., Kao, S. S. & Menezes, A. H. (1989). Lumbar epidural chordoma: MR findings. J Comput Assist Tomogr, 13(3), 508-10. PMID: 2723186.

Clark, C. R., Goetz, D. D. & Menezes, A. H. (1989). Arthrodesis of the cervical spine in rheumatoid arthritis. J Bone Joint Surg Am, 71(3), 381-92. PMID: 2925711.

Osenbach, R. K., Menezes, A. H. (1989). Spinal cord injury without radiographic abnormality in children. Pediatr Neurosci, 15(4), 168-75. PMID: 2485911.

Menezes, A. H., VanGilder, J. C. (1988). Transoral-transpharyngeal approach to the anterior craniocervical junction. Ten-year experience with 72 patients. J Neurosurg, 69(6), 895-903. PMID: 3193195.

Dyste, G. N., Menezes, A. H. (1988). Presentation and management of pediatric Chiari malformations without myelodysplasia. Neurosurgery, 23(5), 589-97. PMID: 3200390.

Bale, Jr., J. F., Scott, W. E., Yuh, W., Sato, Y. & Menezes, A. H. (1988). Congenital fourth nerve palsy and occult cranium bifidum. Pediatr Neurol, 4(5), 320-1. PMID: 3242538.

Dyste, G. N., Hitchon, P. W., Menezes, A. H., VanGilder, J. C. & Greene, G. M. (1988). Stereotaxic surgery in the treatment of multiple brain abscesses. J Neurosurg, 69(2), 188-94. PMID: 3292717.

Hart, M. N., Merz, P., Bennett-Gray, J., Menezes, A. H., Goeken, J. A., Schelper, R. L. & Wisniewski, H. M. (1988). Beta-amyloid protein of Alzheimer's disease is found in cerebral and spinal cord vascular malformations. Am J Pathol, 132(1), 167-172. PMID: 3293463.

Afifi, A. K., Jacoby, C. G., Bell, W. E. & Menezes, A. H. (1988). Aqueductal stenosis and neurofibromatosis: a rare association. J Child Neurol, 3(2), 125-30. PMID: 3131414.

Beck, D. W., Menezes, A. H. (1987). Lesions in Meckel's cave: Variable presentation and pathology. J Neurosurg, 67(5), 684-9. PMID: 3668636.

Olson, J. J., Beck, D. W., Crawford, S. C. & Menezes, A. H. (1987). Comparative evaluation of intracranial epidermoid tumors with computed tomography and magnetic resonance imaging. Neurosurgery, 21(3), 357-60. PMID: 3670582.

Dunn, V., Smoker, W. R. & Menezes, A. H. (1987). Transdural herniation of the cervical spinal cord as a complication of a broken fracture-fixation wire. AJNR Am J Neuroradiol, 8(4), 724-6. PMID: 3113210.

Afifi, A. K., Godersky, J. C., Menezes, A. H., Smoker, W. R., Bell, W. E. & Jacoby, C. G. (1987). Cerebral hemiatrophy, hypoplasia of internal carotid artery, and intracranial aneurysm. A rare association occurring in an infant. Arch Neurol, 44(2), 232-5. PMID: 3813939.

Godersky, J. C., Menezes, A. H. (1987). Intracranial arteriovenous anomalies of infancy: modern concepts. Pediatr Neurosci, 13(5), 242-50. PMID: 3504285.

Loes, D. J., Smoker, W. R. & Menezes, A. H. (1987). Pen injury: a rare complication. PMID: 3334008.

Bale, Jr., J. F., Bell, W. E., Dunn, V., Afifi, A. K. & Menezes, A. H. (1986). Magnetic resonance imaging of the spine in children. Arch Neurol, 43(12), 1253-6. PMID: 3778260.

Smoker, W. R., Keyes, W. D., Dunn, V. D. & Menezes, A. H. (1986). MRI versus conventional radiologic examinations in the evaluation of the craniovertebral and cervicomedullary junction. Radiographics, 6(6), 953-94. PMID: 3317556.

Smoker, W. R., Lusk, R. P. & Menezes, A. H. (1986). Supraclavicular fibromatosis with intraspinal extension. Ann Otol Rhinol Laryngol, 95(3 Pt 1), 319-20. PMID: 3717859.

Gentry, L. R., Smoker, W. R., Turski, P. A., Menezes, A. H., Ramirez, L. & Cornell, S. H. (1986). Suprasellar arachnoid cysts: 1. CT recognition. AJNR Am J Neuroradiol, 7(1), 79-86. PMID: 3082147.

Gentry, L. R., Menezes, A. H., Turski, P. A., Smoker, W. R., Cornell, S. H. & Ramirez, L. (1986). Suprasellar arachnoid cysts: 2. Evaluation of CSF dynamics. AJNR Am J Neuroradiol, 7(1), 87-96. PMID: 3082148.

Wiese, J. A., Gentry, L. R. & Menezes, A. H. (1985). Bobble-head doll syndrome: review of the pathophysiology and CSF dynamics. Pediatr Neurol, 1(6), 361-6. PMID: 3916908.

El-Khoury, G. Y., Tozzi, J. E., Clark, C. R., Foucar, E., Menezes, A. H. & Smoker, W. R. (1985). Massive calcium pyrophosphate crystal deposition at the craniovertebral junction. AJR Am J Roentgenol, 145(4), 777-8. PMID: 2994449.

Menezes, A. H., VanGilder, J. C., Clark, C. R. & El-Khoury, G. (1985). Odontoid upward migration in rheumatoid arthritis. An analysis of 45 patients with "cranial settling". J Neurosurg, 63(4), 500-9. PMID: 4032013.

Smith, D. E., Menezes, A. H. (1985). Neonatal posterior fossa hemorrhage. Iowa Med, 309-12. PMID: 4030270.

Olson, J. J., Menezes, A. H., Godersky, J. C., Lobosky, J. M. & Hart, M. (1985). Primary intracranial rhabdomyosarcoma. Neurosurgery, 17(1), 23-34. PMID: 4022284.

Dickson, D. W., Hart, M. N., Menezes, A. H. & Cancilla, P. A. (1983). Medulloblastoma with glial and rhabdomyoblastic differentiation. A myoglobin and glial fibrillary acidic protein immunohistochemical and ultrasctructural study. J Neuropathol Exp Neurol, 42(6), 639-47. PMID: 6355400.

Menezes, A. H., Smith, D. E. & Bell, W. E. (1983). Posterior fossa hemorrhage in the term neonate. Neurosurgery, 13(4), 452-6. PMID: 6633841.

Smith, W. L., Menezes, A. H. & Franken, E. A. (1983). Cranial ultrasound in the diagnosis of brain tumors. J Clin Ultrasound, 11(2), 97-100. PMID: 6404944.

VanGilder, J. C., Menezes, A. H. (1983). Craniovertebral junction abnormalities. Clin Neurosurg, 30, 514-30. PMID: 6667590.

Beck, D. W., Menezes, A. H. (1981). Intracranial hemorrhage in a patient with eclampsia. JAMA, 246(13), 1442-3. PMID: 7265450.

Menezes, A. H., Graf, C. J., Jacoby, C. G. & Cornell, S. H. (1981). Management of vein of Galen aneurysms. Report of two cases. J Neurosurg, 55(3), 457-62. PMID: 7264737.

Hibri, N. S., El-Khoury, G. Y., Menezes, A. H., Dolan, K. D. & Cornell, S. H. (1981). Gas and metrizamide myelography in abnormalities of the craniovertebral junction. Skeletal Radiol, 6(2), 85-93. PMID: 6266053.

El-Khoury, G. Y., Wener, M. H., Menezes, A. H., Dolan, K. D. & Kathol, M. E. (1980). Cranial settling in rheumatoid arthritis. Radiology, 137(3), 637-42. PMID: 7444048.

Menezes, A. H., VanGilder, J. C., Graf, C. J. & McDonnell, D. E. (1980). Craniocervical abnormalities. A comprehensive surgical approach. J Neurosurg, 53(4), 444-55. PMID: 7420164.

Menezes, A. H., Bell, W. E. & Perret, G. E. (1980). Arachnoid cysts in children. Arch Neurol, 37(3), 168-72. PMID: 7356424.

Chaves-Carballo, E., Menezes, A. H., Bell, W. E. & Henriquez, E. M. (1980). Acute pancreatitis in Reye's syndrome: a fatal complication during intensive supportive care. South Med J, 73(2), 152-4. PMID: 7355311.

Menezes, A. H., Graf, C. J. & Hibri, N. (1980). Abnormalities of the cranio-vertebral junction with cervico-medullary compression. A rational approach to surgical treatment in children. Childs Brain, 7(1), 15-30. PMID: 7428493.

Cornell, S. H., Hibri, N. S., Menezes, A. H. & Graf, C. J. (1979). The complementary nature of computed tomography and angiography in the diagnosis of cerebellar hemangioblastoma. Neuroradiology, 17(4), 201-5. PMID: 571969.

Menezes, A. H., Graf, C. J. & Perret, G. E. (1977). Spinal cord abscess: a review. Surg Neurol, 8(6), 461-7. PMID: 594887.

Boutros, A., Hoyt, J., Menezes, A. H. & Bell, W. E. (1977). Management of Reye's syndrome: a rational approach to a complex problem. Crit Care Med, 5(5), 234-8. PMID: 902493.

Menezes, A. H., Bell, W. E. & Perret, G. (1977). Hypothalamic tumors in children. Their diagnosis and management. Childs Brain, 3(5), 265-80. PMID: 902510.

Graf, C. J., Menezes, A. H. (1974). Arteriovenous malformation in the posterior fossa supplied by the external carotid circulation. Case Report. J Neurosurg, 41(4), 503-7. PMID: 4412084.

Menezes, A. H., Graf, C. J. (1974). True traumatic aneurysm of anterior cerebral artery. Case Report. J Neurosurg, 40(4), 544-8. PMID: 4814387.

McCormick, W. F., Menezes, A. H. & Grin, Jr., O. D. (1972). Meningioma occurring in a patient treated for medulloblastoma. J Iowa Med Soc, 62(2), 67-71. PMID: 5008701.