DOI : 10.1055/s-00000181

Journal of Neurological Surgery Part B: Skull Base

Issue S 02 · Volume 82 · February 2021 DOI: 10.1055/s-011-50355


Special Virtual Symposium of the North American Skull Base Society
Online, 13.02.2021

Abstracts (HTML) List of Authors
  • P001
    Ackall, Feras Y.; Issa, Khalil; Jang, David; Hachem, Ralph A.:

    Steroid-Eluting Stent Bolster for CSF Leak Reconstruction during Endoscopic Endonasal Repair

  • P002
    Tandon, Adesh:

    Middle Cranial Fossa Approach for Repair of Tegmen Tympani with Autologous Bone Paste for Spontaneous Otorrhea. Case Report and Review of the Literature

  • P003
    Lawrence, Jesse D.; Cheyuo, Cletus; Zdilla, Matthew; Urhie, Ogaga; Lewis, Jeremy; Marsh, Robert:

    Skull Base Vascular Anatomy of the Infratemporal Fossa Pertinent to Percutaneous Access to the Foramen Ovale for Treatment of Trigeminal Neuralgia: A Comparison of Cadaveric Dissection and Computed Tomography Analysis

  • P004
    Aljuboori, Zaid; Andaluz, Norberto:

    Correlation between the Clival Parameters and the Volume of Translabyrinthine Corridor in Adults

  • P005
    Najera, Edinson; Muhsen, Baha'eddin; Ibrahim, Bilal; Obrzut, Michal; Borghei-Razavi, Hamid; Adada, Badih:

    Anatomical Step-By-Step Dissection of the Transcavernous Approach to the Interpeduncular and Prepontine Cisterns: Surgical Anatomy of the Dorsoclival and Upper Basilar Area for Trainees

  • P006
    Aljuboori, Zaid; Andaluz, Norberto:

    Variability and Gender-Related Differences of the Bony Anatomy of the Endonasal Central Skull Base in Adults

  • P007
    Liu, Katherine Y.; Ninan, Sen J.; Filimonov, Andrey; Arrighi-Allisan, Annie E.; Garvey, Katherine L.; Zeiger, Joshua; Justin, Gale; Ford, Ni-ka; Gregory, Jill; Curcio, Daniella; Shrivastava, Raj K.; Iloreta, Alfred M.:

    Interactive Virtual Reality as an Anatomy Teaching Tool: A Randomized Controlled Trial of a Trigeminal Nerve Virtual Reality Model

  • P008
    Lockwood, Joseph D.; Mathkour, Mansour; Nerva, John; Iwanaga, Joe I.; Bui, Cuong J.; Vale, Fernando; Tubbs, Shane:

    Anatomical Study Quantifying the Relationship between the Arcuate Eminence and the Root of the Zygoma: Application to Skull Base Surgery

  • P009
    Filimonov, Andrey; Lerner, David; Filip, Peter; Kong, Derek; Spock, Todd; Shrivastava, Raj; Iloreta, Alfred M.:

    Evaluation of Potential Nasoseptal Flap Size in Relationship to Flap Size Necessary for Frontal and Sphenoid Skull Base Reconstruction

  • P010
    Aljuboori, Zaid; Andaluz, Norberto:

    Clival Length as a Predictor of the Size of the Transclival, Petrous Apex, and Translabyrinthine Corridors in Adults

  • P011
    Formentin, Cleiton; Fernandes-Cabral, David T.; Chan, Yun-Kai; Pichugin, Arseniy; Wang, Eric W.; Snyderman, Carl H.; Gardner, Paul A.; Zenonos, Georgios:

    Endoscopic Endonasal Approach to the Ventral Midbrain for Brainstem Cavernous Malformations: An Anatomical and High-Accuracy Fiber Tractography Study

  • P012
    Aljuboori, Zaid; Andaluz, Norberto:

    Gender-Related Differences of the Dimensions of the Transclival, Petrous Apex, and Translabyrinthine Corridors in Adults

  • P013
    Aljuboori, Zaid; Andaluz, Norberto:

    Relation between the Internal Acoustic Canal and the Volume of Petrous Apex and Translabyrinthine Corridors in Adults

  • P014
    Men, Clara J.; Vigo, Vera; Miranda, Juan F.; Kossler, Andrea L.:

    Transorbital Approach to the Skull Base: A Construction of 3D Models Using Anatomical Dissections

  • P015
    Schachtel, Michael; Midwinter, Mark; Bowman, James; Panizza, Benedict:

    A Cadaveric Study of Anatomical Relationships and Fascial Planes in Lateral Approaches to the Skull Base

  • P016
    Pichugin, Arseniy; Chan, Yun-Kai; Formentin, Cleiton; Wang, Eric E.; Snyderman, Carl H.; Gardner, Paul A.; Zenonos, Georgios:

    Revisiting the Structure of the Cavernous Sinus Walls: An Anatomical Study of the Dural Layers

  • P017
    Chan, Yun-Kai; Polster, Sean P.; Formentin, Cleiton; Pichugin, Arseniy; Zenonos, Georgios; Wang, Eric W.; Gardner, Paul A.; Snyderman, Carl H.:

    Approach to the Orbital Surface of the Greater Wing of the Sphenoid through the Inferior Orbital Fissure

  • P018
    Aljuboori, Zaid; Andaluz, Norberto:

    Endonasal Anterior Skull Base: Variability of the Bony Anatomy and Gender-Related Differences in Adults

  • P019
    Aljuboori, Zaid; Andaluz, Norberto:

    Piriform Height and the Clival Length as Predictors of the Size and Surgical Freedom of the Transclival Corridor

  • P020
    Aljuboori, Zaid; Andaluz, Norberto:

    Correlation between the Petroclival Parameters and the Posterior Fossa Volume in Adults

  • P021
    Piper, Keaton F.; Yeung, Elton; Farooq, Jeffrey; Mokin, Maxim; Ren, Zeguang; Agazzi, Siverio; Loveren, Harry V.; Lau, Tsz:

    Novel Technique for Robotic-Assisted Protection of Intraoperative Aneurysm Rupture during Surgical Clipping

  • P022
    Khairy, Sami; Alkhani, Ahmed; Aloraidi, Ahmed:

    Predictors of Functional Outcome in Patients with Poor-Grade Spontaneous Nonaneurysmal Subarachnoid Hemorrhage

  • P023
    Bertani, Raphael; Koester, Stefan; Perret, Caio; Abi-Aad, Karl; Godoy, Bruno L.:

    Clinical Presentation and Treatment Options for Giant Aneurysms: A Case Series in a Low/Middle-Income Setting

  • P024
    Kulubya, Edwin S.; Tejas, Karnati; Thaci, Bart; Duong, Huy:

    Endoscopic Transnasal Transodontoid Treatment of a Ruptured Anterior Spinal Artery Aneurysm

  • P025
    Kulubya, Edwin S.; Duong, Huy:

    ECA-RA-VA Bypass for Surgical Treatment of Radiculopathy Caused by a Cervical Vertebral Artery Aneurysm

  • P027
    Reed, Samuel W.; Arhin, Martin; Necarsulmer, Julie; Onyebuenyi, Chukwuma; Sasaki-Adams, Deanna:

    Radiation Exposure in Aneurysmal Subarachnoid Hemorrhage

  • P028
    Cler, Samuel J.; Patel, Bhuvic; Sylvester, Peter; Osbun, Joshua:

    Lateral Supraorbital versus Pterional Approach for Clipping of Unruptured Anterior Circulation Aneurysms

  • P029
    Surapaneni, Akhil; Kuo, John S.; Ashour, Ramsey:

    Epidermoid Cyst in a Patient with Alagille's Syndrome: Coincidence or Connection? Case Report and Literature Review

  • P030
    Harrison, Joshua; Shahriari, Shawhin; Bowers, Christian; Shetty, Anil:

    Extramedullary Plasmacytoma of the Frontal Sinus: A Case Report

  • P031
    Iarocci, Andrew L.:

    The Meniscus Sign: An Endoscopic Finding of Cerebrospinal Fluid Rhinorrhea

  • P032
    Patel, Shubham; Mattox, Douglas; Gustavo, Pradilla; Junior, Paula; Vivas, Esther:

    Socioeconomic Status on Diagnosing and Treating Spontaneous Cerebrospinal Fluid Leaks to the Temporal Bone

  • P033
    Scullen, Tyler; Mathkour, Mansour; Migneron, Matthew; Berry, Frank; Aslam, Rizwan; Amenta, Peter S.:

    Chronic Cerebrospinal Fluid Rhinorrhea Managed with Endoscopic and Open Approaches

  • P035
    Parra-Ferro, Mauricio; Rahman, Maryam; Haberman, Rex; Chen, Si:

    Giant Skull Base Encephalocele with Lateral Ventricle Herniation

  • P036
    Holland, Ryan; Hamad, Mousa; Agarwal, Vijay; Kobets, Andrew:

    Management of Recurrent B-Cell Acute Lymphoblastic Leukemia to the Skull Base: Chemotherapy, Radiotherapy, and the Role for Adjunctive Surgical Resection

  • P037
    Kulinich, Daniel; Chow, Ariana; Rana, Shivam; Duong, Brendan; Kondajji, Aditya; Unterberger, Ansley; Pradhan, Anjali; Ghodrati, Farinaz; Yang, Isaac:

    The Chiari-I Malformation Associated Syringomyelia

  • P038
    Farquhar, Douglas; Lenze, Nicholas; Thorp, Brian; Zanation, Adam:

    Endoscopic Resection of Clival Chordomas: A Single-Institution Case Series

  • P039
    Parray, Aksha; Choi, Chris B.; Shah, Aakash D.; Fang, Christina H.; Eloy, Jean A.:

    Cardiovascular, Pulmonary, and Renal Risk Factors in Patients with Metabolic Syndrome Undergoing Anterior Skull Base Surgery

  • P040
    Shah, Aakash D.; Parray, Aksha; Choi, Chris B.; Fang, Christina H.; Eloy, Jean A.:

    Renal Function and Volume Status in Patients with Morbid Obesity Undergoing Anterior Skull Base Surgery

  • P041
    Parray, Aksha; Choi, Chris B.; Shah, Aakash D.; Fang, Christina H.; Eloy, Jean A.:

    Effects of Chronic Steroid Therapy in Patients with Metabolic Syndrome Undergoing Anterior Skull Base Surgery

  • P042
    Montoure, Andrew J.; Campo, Eduardo M. D.; Zwagerman, Nathan:

    Drastic Enophthalmos after Orbital Roof Removal for Tumor: Revisiting the Dogma for When to Consider Orbital Roof Reconstruction and Avoidance of Postoperative Morbidity

  • P043
    Kong, Keonho A.; Deblieux, Joshua S.; Arriaga, Moises A.; Hetzler, Laura T.:

    Trigeminal Neurotrophic Nasal Ulcers after Resection of Large Cerebellopontine Angle Tumors: A Case Series

  • P044
    Soriano, Roberto M. M.; Helman, Samuel N.; Tomov, Martin L.; Serpooshan, Vahid; Levy, Joshua M.; Pradilla, Gustavo; Solares, C. Arturo:

    Ventilated Upper Airway Endoscopic Endonasal Procedure Mask: Surgical Safety in the COVID-19 Era

  • P045
    Lavergne, Pascal; Khoury, Tawfiq; Chitguppi, Chandala; Toskala, Elina; Rabinowitz, Mindy R.; Nyquist, Gurston; Rosen, Marc R.; Evans, James J.:

    COVID-19: A Novel Mask Design to Protect Health Care Workers and Prevent Aerosolization from Patients

  • P046
    Brown, C. Scott; Thielhelm, Torin P.; Telischi, Fred F.; Angeli, Simon I.; Dinh, Christine T.:

    Microscope Tent for Skull Base Surgery during COVID-19 Pandemic

  • P047
    Lee, Mark; Rivera-Rosario, Hazel T.; Kim, Matthew H.; Bewley, Gregory P.; Wang, Jane; Warhaft, Zellman; Stylman, Bradley; Park, Angela I.; MacMahon, Aoife; Kacker, Ashutosh; Scwartz, Theodore H.:

    Development and Validation of a Face-Mounted, Negative-Pressure Antechamber for Endonasal Surgery

  • P048
    Ordóñez-Rubiano, Edgar G.; Rueda-Esteban, Roberto J.; Abdalá-Vargas, Nadin J.; Bigio, David; Rentería, Santiago S.; Pinzón-Navarro, Martin:

    Development of a Low-Cost Mask for Prevention of Aerosols Spreading in Endonasal Endoscopic Procedures to the Skull Base during the COVID-19 Pandemic

  • P049
    Higgins, Dominique; Upadhyayula, Pavan; Liu, Yang; Delgardo, Mychael; Dalahmah, Osama A.; Canoll, Peter; Bruce, Jeffrey:

    Microscopic Transsphenoidal Approach for Macroadenoma in an Asymptomatic COVID-19 Patient: A Case Report

  • P050
    Mugge, Luke; Dang, Danielle; Awan, Omar; Gunnells, Emily; Vaughan, Megan; Ziu, Mateo; Singh, Ameet; Vyas, Nilesh:

    COVID-19 Pandemic Significant Effect on Transsphenoidal Pituitary Resection Surgery (TSPR) at Inova Health System: An Institutional Experience

  • P051
    Amarouche, Meriem; Borg, Anouk; Halliday, Jane; Cudlip, SImon A.:

    Safety of Transsphenoidal Pituitary Surgery during the COVID-19 Pandemic and Comparison to the Prepandemic Era

  • P052
    Shaikh, Noah; Patton, Caitlyn; Turner, Meghan:

    Endoscopic Endonasal Orbital Decompression for Carotid Cavernous Fistula

  • P053
    Ryan, Lindsey; Makary, Chadi; Rutkowski, Martin; Byrd, J. Kenneth:

    Resection of a Recurrent Craniopharyngioma in a 4-Year-Old Patient: an Endoscopic Endonasal Transplanum/Transtuberculum Approach with Nasoseptal Flap Reconstruction

  • P054
    Recinos, Miguel A.; Momin, Arbaz; Soni, Pranay; Cioffi, Gino; Patil, Nirav; Recinos, Pablo F.; Kruchko, Carol; Barnholtz-Sloan, Jill S.; Kshettry, Varun R.:

    Descriptive Epidemiology of Craniopharyngiomas in the United States

  • P055
    Colasanti, Roberto; Dallari, Stefano; Giannoni, Luca; Rossi, Francesca; Iacoangeli, Maurizio:

    Application of a Novel Scanner-Assisted Carbon Dioxide Laser System (SMARTXIDE2) for Neurosurgery

  • P056
    Orscelik, Atakan; Li, Xiong; El-Sayed, Ivan H.; Abla, Adib A.; Rodriguez-Rubio, Roberto:

    Volumetric Models of Microsurgical and Endoscopic Anatomy of Internal Maxillary Artery Using Three-Dimensional Scanning Techniques

  • P057
    Adidharma, Lingga; Yang, Zixin; Young, Christopher; Li, Yangming; Hannaford, Blake; Humphreys, Ian; Abuzeid, Waleed M.; Ferreira, Manuel; Moe, Kristen S.; Bly, Randall A.:

    Semiautomated Method for Editing Surgical Videos

  • P058
    Basma, Jaafar; Krisht, Ali; Yasargil, Diane; Yasargil, Gazi:

    Bi-Bole Bipolar Coagulation in the Resection of Challenging Intracranial Lesions: Analysis of Surgical Advantages

  • P059
    Liverotti, V.; Capece, M.; Dorato, P.; Mancini, F.; Marini, A.; Lisi, S.; Dobran, M.; Martorano, P.; Iacoangeli, M.:

    Surgical Approaches to the Craniovertebral Junction Disorders: Our Experience

  • P060
    Klug, Theodore D.; McKnight, Tory A.; Souza, Glen E. D.; Chitguppi, Chandala; Barton, Blair M.; Toskala, Elina M.; Rosen, Mark A.; Rabinowitz, Mindry R.; Khanna, Shachika; Nyquist, Gurston G.:

    Odontogenic Sinusitis: Predictors and Outcomes in Unilateral Maxillary Sinusitis

  • P061
    Lavergne, Pascal; Khoury, Tawfiq; Evans, James J.:

    Endoscopic Mastoidectomy: A Morphometric Cadaveric Study

  • P062
    Klug, Theodore D.; Souza, Glen E. D.; McKnight, Tory A.; Chitguppi, Chandala; Barton, Blair M.; Toskala, Elina M.; Rosen, Mark A.; Rabinowitz, Mindy R.; Nyquist, Gurston G.:

    Cauterization of the Sphenoid Rostrum during SPA Ligation: Does This Technique Decrease Number of Subsequent Rebleeds?

  • P063
    Berastegui, G. Rene Alvarez; Chaves, Jose; Ortega, Monica; Fuentes, Andres:

    A Pure Endoscopic Endonasal Resection of an Esthesioneuroblastoma Invading the Anterior Cranial FOSSA

  • P064
    Alqurashi, Ashwag; Alatar, Abdullah; Ajlan, Abdulrazaq:

    Extended Endoscopic Endonasal Approaches for the Skull Base: the Rate of Complications

  • P065
    Pinheiro-Neto, Carlos D.; Salgado-Lopez, Laura; Leonel, Luciano Campos; Aydin, Serdar O.; Peris-Celda, Maria:

    Endoscopic Endonasal Approaches to the Clivus with No Violation of the Nasopharynx: Surgical Anatomy and Clinical Illustration

  • P067
    Algattas, Hanna; Okonkwo, David O.; Snyderman, Carl H.; Gardner, Paul A.; Wang, Eric W.; Zenonos, Georgios A.:

    Staged Repositioning in Endoscopic Endonasal Odontoidectomy Maximizes Decompression while Allowing Preservation of the C1 Anterior Arch: A Technical Note

  • P068
    Lawrence, Jesse D.; Marsh, Robert; Turner, Meghan:

    Contralateral Transmaxillary Approach for Resection of Chondrosarcoma of the Petrous Apex: Case Report

  • P069
    Loymak, Thanapong; Tungsanga, Somkanya; Abramov, Irakliy; Sarris, Christina E.; Little, Andrew S.; Preul, Mark C.:

    Comparison of Anatomical Exposure during Petrosectomy among Anterior Transpetrosal versus Various Methods of Endoscopic Endonasal Approaches: An Experimental Study in Cadavers”

  • P070
    Jiramongkolchai, Pawina; Lee, Jake J.; Klatt-Cromwell, Cristine N.; Kim, Albert H.; Chicoine, Michael R.; Osbun, Joshua W.; Zipfel, Gregory J.; Schneider, John S.:

    Incidence of Postoperative CSF Leak Using a Single-Layer Closure with Acellular Dermal Allograft for Anterior Skull Base Defects

  • P071
    Sagheer, S. Hamad; Swendseid, Brian; Curry, Joseph; Rabinowitz, Mindy; Nyquist, Gurston; Rosen, Marc; Evans, James; Luginbuhl, Adam:

    Avoidance of Maxillary Swing for Nasopharyngectomy via Combined Open Lateral and Endoscopic Approach

  • P072
    Montoure, Andrew J.; Campo, Eduardo M. D.; Mueller, Wade; Zwagerman, Nathan:

    Expanded Endoscopic Endonasal Approach for Resection of Recurrent Glioblastoma

  • P073
    Schulien, Anthony J.; McDowell, Michael M.; Branstetter, Barton F.; Synderman, Carl H.; Gardner, Paul A.; Wang, Eric W.; Zenonos, Georgios A.:

    Endoscopic Endonasal Fenestration of a Sellar and Suprasellar Arachnoid Cyst Mimicking a Rathke's Cleft Cyst: Diagnostic and Surgical Considerations

  • P074
    Nguyen, Giang-Kim; Hoa, Michael; Jay, Ann K.:

    Acute Intratumoral Hemorrhage: A Rare Presentation of Melanotic Schwannoma

  • P075
    Zhang, Wynne Q.; Glaun, Mica D.; Jalali, Ali; Samson, Susan; Gallagher, K. K.:

    Esthesioneuroblastoma as a Cause of Syndrome of Inappropriate Antidiuretic Hormone

  • P076
    Salib, Christopher G.; Harper, Cierra N.; Carter, Stephanie; Fleurizard, Therlinsie; Fossett, Damirez:

    Extramedullary Plasmacytoma Presenting as a Rapidly Growing Lateral Neck Mass: A Case Report

  • P077
    Green, Stephen; Deblieux, Josh; Hernandez, Stephen C.; Mehta, Rahul:

    Paragangliomas of the Head and Neck, a 10-Year Institutional Review

  • P078
    Surapaneni, Akhil; Ramos, Emilio; Kuo, John S.; Ashour, Ramsey:

    Intracranial Adenoid Cystic Carcinoma of the Cavernous Sinus with Unknown Primary Origin: Case Report

  • P079
    Kattar, Nrusheel; Jawad, Basit; Haidari, Muhib; Winters, Ryan:

    Chronic Invasive Fungal Rhinosinusitis: A Systematic Review and Meta-analysis

  • P080
    Cler, Samuel J.; Sharifai, Nima; Baker, Brandi; Dowling, Joshua; Pipkorn, Patrik; Yaeger, Lauren; Dahiya, Sonika; Clifford, David; Chicoine, Michael:

    IGG4-Related Disease in the Skull Base and Calvarium: A Systematic Review and Presentation of Two Cases

  • P081
    Rindler, Rima; Elsherbini, Mohamed; Solares, Clementino; Gustavo, Pradilla:

    Exoscopic En Bloc Near-Total Temporal Bone Resection: Feasibility Study and Operative Technique

  • P082
    Basma, Jaafar; Rangarajan, Sanjeet; Michael, Madison; Gleysteen, John P.:

    Robotic-Assisted Tubular Transoral Parapharyngeal Approach to the Ventral Craniovertebral Junction

  • P083
    Reyes, Kenneth D. L.; Omosor, Emmanuel:

    Venous Preservation: A Novel Technique for Vein of the Labbe Preservation in a Subtemporal Approach to a Midbrain Metastasis

  • P084
    Basma, Jaafar; Moore, Nathan E.; Aboud, Emad; Krisht, Ali F.; Shafizadeh, Stephen F.:

    Selecting the Skull Base Approach to the Anterolateral Midbrain and Pons: Quantitative Three-Dimensional Reconstruction of Operative “Cones” to Cranial Nerve Origins

  • P085
    Rajesh, Anand E.; Aghdasi, Nava; Ferreira, Manuel; Rubinstein, Jay T.; Bly, Randall A.; Kohlberg, Gavriel D.:

    Computed Surgical Preoperative Planning for Tumors in the Internal Auditory Canal

  • P086
    del Campo, Eduardo M.; McNamara, Michael; Montoure, Andrew; Zwagerman, Nathan:

    Differentiation between Optic Nerve Glioma and Meningioma Using 68GA-DOTOTATE PET/CT: Two Case Reports

  • P087
    Harary, Maya; Peeters, Sophie; Wang, Andrew; Karunungan, Krystal; Valenzuela, Alex; Kim, Won; Wang, Marilene; Suh, Jeffrey; Lee, Jivianne; Bergsneider, Marvin:

    Reversal of Diaphragma Sella Prolapse with Reverse Trendelenburg Enhances the Resection of Large Pituitary Adenomas

  • P088
    Desai, Rupen; Srienc, Anja; Maamari, Robi; Warren, Dave; Chicoine, Michael R.:

    Removal of a Penetrating Tree Branch in the Orbitofrontal Region: A Unique Application of an Orbitofrontal Craniotomy through a Supraciliary Brow Approach

  • P089
    Houlihan, Lena M.; Naughton, David; Preul, Mark C.:

    The Volume of Surgical Freedom: The Surgeon's Most Applicable Anatomical Measurement

  • P090
    Konuthula, Neeraja; Bly, Randall A.; Moe, Kris S.:

    Endoscopic Paramaxillary Approach to the Infratemporal Fossa and Pterygomaxillary Space

  • P091
    Douglas, Jennifer E.; Husain, Solomon; Patel, Tapan; Oliver, Bianca R.; Palmer, James N.; Adappa, Nithin D.:

    Novel Intraoperative Fast Anatomic Mapping as Teaching Adjunct in Endoscopic Sinus Surgery

  • P092
    Shew, Matthew; Butler, Margaret J.; Wick, Cameron C.; Vance, Janet; Chicoine, Michale; Buchman, Craig A.:

    Real-Time Intraoperative Cochlear Nerve Monitoring and Cochlear Implantation during Translabyrinthine Vestibular Schwannoma Resection in Cases of Neurofibromatosis Type 2

  • P093
    Smith, Samuel H.; Michael, L. Madison; Yawn, Robert J.:

    Primary Intracanalicular Facial Nerve Malignant Neoplasm: A Case Report

  • P095
    Salgado-Lopez, Laura; Perry, Avital; Graffeo, Christopher S.; Carlstrom, Lucas P.; Leonel, Luciano P.C.; Driscoll, Colin L.; Link, Michael J.; Peris-Celda, Maria:

    Anatomical Step-by-Step Dissection of Complex Skull Base Approaches for Trainees: Surgical Anatomy of the Middle Fossa Approaches Including Internal Acoustic Canal Exposure and Anterior Petrosectomy

  • P096
    Gerndt, Clayton; Anigol, Darshna M.; Bobinski, Matthew; Strong, Bradley; Steele, Toby O.; Jin, Lee-Way; Harsh, Griffith; Shahlaie, Kiarash:

    Chondrosarcoma of the Sella Turcica: Case Report and Review

  • P097
    Rao, Manasa G.; Ladner, Travis R.; Shuman, William H.; Feng, Rui; Fifi, Johanna T.; Leacy, Reade A. D.; Mocco, J.; Shrivastava, Raj:

    Safety and Efficacy of Preoperative Embolization of Meningioma in Patients with Preoperative Peritumoral Edema

  • P098
    Rao, Manasa G.; Ladner, Travis R.; Shuman, William H.; Feng, Rui; Fifi, Johanna T.; Leacy, Reade A. D.; Mocco, J.; Shrivastava, Raj:

    Safety and Efficacy of Preoperative Embolization of Meningioma with a Balloon Catheter

  • P099
    Unterberger, Ansley; Nguyen, Thien; Duong, Courtney; Kondajji, Aditya; Kulinich, Daniel; Yang, Isaac:

    Meta-analysis of Adjuvant Radiotherapy for Intracranial Atypical and Malignant Meningiomas

  • P100
    Munoz, Kevin J.; Reyes, Kenneth D. L.:

    Staged Surgery for Resection of a Giant Petroclival Meningioma: Careful Incisional Planning and Surgical Nuances to Overcome the Challenge

  • P101
    Youngerman, Brett E.; Shtayer, Lior; Gerges, Mina M.; Larsen, Alexandra G.; Tomasiewicz, Hilarie C.; Schwartz, Theodore H.:

    Eyebrow Supraorbital Keyhole Craniotomy for Olfactory Groove Meningiomas with Endoscope Assistance: Case Series and Systematic Review of Extent of Resection, Quantification of Postoperative Frontal Lobe Injury, Anosmia, and Recurrence

  • P102
    Adepoju, Adedamola; Narayan, Ananth; Aldyab, Mahmoud; Foyt, David; Peris-Celda, Maria:

    Absence of Contrast Enhancement in a Petroclival Meningioma: Case Report and Systematic Literature Review

  • P104
    Muhsen, Baha'eddin A.; Ibrahim, Bilal; Najera, Edinson; Borghei-Razavi, Hamid; Adada, Badih:

    Trigeminal Neuralgia (TGN) Secondary to Enlarged Suprameatal Tubercle (EST)

  • P106
    Soni, Pranay; Potter, Tamia; Soni, Payal P.; Estemalik, Emad; Recinos, Pablo F.; Kshettry, Varun R.:

    Outcomes of Microvascular Decompression for Trigeminal Neuralgia with Purely Venous Compression: A Systematic Review and Meta-analysis

  • P109
    Ordonez-Rubiano, Edgar G.; Capacho, Yovanny A.; Zorro, Oscar; Arana-Carvalho, Jorge; Patiño-Gómez, Javier G.; Galvis-Oñate, Katty A.; Tamara-Prieto, Jose A.; Jacomussi-Alzate, Lorena:

    Transition from the Traditional Microscopic to the Endoscopic Endonasal Approach for Resection Skull Base Lesions: Initial Experience, Limitations and Barriers in a Middle-Income Country

  • P110
    Newman, Steven A.:

    Case for Quantitative Evaluation

  • P111
    Scullen, Tyler; Mathkour, Mansour; Jackson, Neal; Berry, Frank; Aslam, Rizwan; Amenta, Peter S.:

    Recurrent Multicompartment Chondrosarcoma Treated with Staged Multidisciplinary Resection and Adjuvant Proton Therapy: A Case Report

  • P112
    Kakodkar, Pramath K.; Houlihan, Lena M.; Preul, Mark; Bermingham, Niamh; Lim, Chris:

    Primary and Metastatic Paraganglioma of the Cranial Vault

  • P113
    Bardeesi, Anas M.; Alqurashi, Ashwag; Shinawi, Sumaih; Shffah, Firas R. A.; Ajlan, Abdulrazag; Binmahfoodh, Mohammad:

    Multiple Brown Tumors within the Cranium, in a Patient with Primary Hyperparathyroidism. A Case Report and Review of the Literature

  • P114
    Ibrahim, Anastasia E.; Majeed, Gohar; IV, James G. Wiginton; Kashyap, Samir; Farr, Saman; Houston, Rebecca; Odell, Tiffany; Podkovik, Stacey; Toor, Harjyot; Lawandy, Shokry; Sweiss, Raed:

    A Unique Case of Solitary Supraorbital/Intracranial Langerhans Cell Histiocytosis Presenting Primarily with Ocular Manifestations and a Review of Literature

  • P115
    Roberts, Christopher; Castano, Johnathan; Ozolek, John; Smoth, Mark C.; Kiefer, Autumn; Ramadan, Hassan; Makary, Chadi:

    Endoscopic-Assisted Resection of Nasopharyngeal Choristoma with Features of Both Congenital Hairy Polyp and Compound Odontoma Arising from the Skull Base in a Premature Infant

  • P116
    Arrighi-Allisan, Annie E.; Garvey, Katherine L.; Omorogbe, Aisosa R.; Kellner, Rebecca L.; Shah, Janki; Pathak, Shravani; Liu, Katherine Y.; Ninan, Sen J.; Govindaraj, Satish; Iloreta, Alfred M.:

    Socioeconomic Determinants of Length of Stay following Transsphenoidal Pituitary Surgery: A 6-Year Review

  • P117
    Carlstrom, Lucas P.; Graffeo, Christopher S.; Lakomkin, Nikita; Yagnik, Karan; Choby, Garret W.; van Gompel, Jamie J.:

    Trends in Pituitary Adenoma Incidence: Population-Based Study, 1989–2019

  • P118
    Rahimli, Tural:

    Endoscopic Endonasal Approach to Multilobular Giant Pituitary Adenoma with Cavernous Sinus Invasion and Petroclival Extension

  • P119
    Montaser, Alaa S.; Laws, Edward R.:

    Professor Rathke's Legacy to Neurosurgery: The Cyst, Its Diagnosis, Surgical Management, and Outcomes

  • P120
    Druce, Irene; Doyle, Mary-Anne; Arnaout, Amel; Liu, Dora; Agbi, Charles; Keely, Erin; Malcolm, Janine; Alkherayf, Fahad:

    Patient Engagement in the Management of Pituitary Tumor: University of Ottawa Experience

  • P121
    Kunigelis, Katherine; Sahebjam, Solmaz; Etame, Arnold; Vogelbaum, Michael; Lowe, Stephen; Liu, James; Tran, Nam D.:

    Pituitary Metastasis: The Moffitt Cancer Center Experience

  • P122
    Wong, Andrew K.; Wong, Ricky H.:

    Osimertinib Induced Rapid Regression of Large Metastatic Tumor to the Pituitary in a Patient with Lung Adenocarcinoma

  • P123
    Milton, Camille K.; Pelargos, Panayiotis E.; Dunn, Ian F.:

    Cavernous Sinus invasion by Growth-Hormone Secreting Pituitary Adenomas

  • P124
    Alahmari, Mohammad; Lasso, Andrea; Banaz, Fatmahalzahra; Mohajeri, Sepideh; Masoudian, Pourya; Lamothe, Andre; Agbi, Charles; Caulley, Lisa; Alshardan, Mohammad; Kilty, Shaun; Alkherayf, Fahad:

    Utilization of SiPAP Classification in Prediction of Pituitary Adenoma Recurrence: The Ottawa Hospital Experience

  • P125
    Abdallah, Hussein M.; McDowell, Michael M.; Pearce, Thomas; Kulich, Scott; Snyderman, Carl H.; Gardner, Paul A.; Wang, Eric W.; Zenonos, Georgios A.:

    Endoscopic Endonasal Resection of a Hypothalamic Pilomyxoid Astrocytoma: Case Report

  • P126
    Peng, Kevin; Prevedello, Daniel M.; Ghalib, Luma; Hardesty, Douglas A.:

    Modern Management of Pituitary Apoplexy via an Initially Conservative Surgical Paradigm

  • P127
    Funari, Abigail; Akella, Sruti; Madani, Daniel; Rahman, Sadiq; Ahmad, Samuel; Boyke, Andre E.; Alvi, Mohammed A.; Naidu, Ishan; Bader, Edward R.; Zhang, Cheng; Agarwal, Vijay:

    Optical Coherence Tomography in Pituitary Adenomas Serves as a Predictor for Visual Functionality Postresection

  • P129
    Sheehan, Delaney; Mantle, Belinda; Kraft, Ashley; Craver, Randall; Arcement, Christopher; Nuss, Daniel:

    Granular Cell Tumor of the Sphenoid: A Unique Finding in a Pediatric Patient with Sickle Cell Disease and Jeavons' Syndrome

  • P130
    Mann, Daljit; Woods, Clifton; Mckinney, Kibwei:

    Sinonasal Sarcomatoid Carcinoma: A Case Report

  • P131
    Pizarro, Marina; Montoya, Francisca; Naudy, Cristian; Tapia, Carlos; Gomez, Matias:

    Sinonasal Metastases of Clear-Cell Renal Cell Carcinoma: Two Case Reports and Literature Review

  • P132
    Franco, Alexa M.; Zhou, Fang; Lieberman, Seth M.:

    Sinonasal Leiomyosarcoma: Case Report of a Rare Entity

  • P133
    Chaskes, Mark B.; Nyquist, Gurston; Rosen, Marc; Toskala, Elina; Kimball, Bruce; Rabinowitz, Mindy:

    Investigation into the Use of Volatile Organic Compounds to Identify Sinonasal Inverted Papilloma

  • P134
    Woods, Clifton; Mann, Daljit; McKinney, Kibwei:

    A Case Report of Verrucous Carcinoma of the Paranasal Sinuses

  • P135
    Alsahli, Abdullah; Altwaim, Abdullah; Almuqbil, Rakan I.; Alomran, Shadn A.; Alsaghan, Lamya B.; Alosaimi, Afaf; Alqurashi, Ashwag; Ajlan, Abdulrazaq:

    Sinonasal Aneurysmal Bone Cyst Invading the Frontal Skull Base: A Case Report

  • P136
    Mundy, David C.; Mohyeldin, Ahmed; Fernandez-Miranda, Juan C.:

    First Case Report of a Cerebrospinal Fluid Leak as a Complication of Induction Chemotherapy in a Pregnant Patient with Sinonasal Undifferentiated Carcinoma

  • P137
    Matthews, Christine; Green, Stephen; Mehta, Rahul:

    Nasal Inverting Papilloma Extending to Bilateral Temporal Bones with Intracranial Extension: A Case Report and Literature Review

  • P138
    Keilin, Charles A.; VanKoevering, Kyle K.; McKean, Erin L.:

    Sinonasal Neuroendocrine Carcinoma: 15 Years of Experience at a Single Institution

  • P139
    Hasni, Sukaina; Glenn, C.; Peterson, Jo Elle G.; El Rassi, Edward T.; McKinney, Kibwei A.:

    High-Grade Biphenotypic Sinonasal Sarcoma: A Case Report

  • P140
    Birkenbeuel, Jack; Abiri, Arash; Nguyen, Emily; Kuan, Edward:

    Lumber Drain Outcomes in Endonasal Endoscopic Skull Base Surgery

  • P141
    Shah, Varun S.; McGahan, Ben; Shi, Lucy; Tamaki, Akina; Prevedello, Daniel; Carrau, Ricardo; Kang, Stephen; Old, Matthew; Hardesty, Douglas A.:

    Skull Base as a Team Sport: Role of the Neurosurgeon in Complex Head and Neck Cancer Surgery Requiring Vascularized Tissue Transfer Reconstruction

  • P142
    Aulet, Ricardo; Agnew, Andrew; Ryan, Lindsey; Bajric, Jasmina; Tran, Nam; Patel, Krupal:

    Management of Complicated Skull Base Osteoradionecrosis with a Buccal Fat Flap and Free-Tissue Transfer

  • P143
    Sreenath, Satyan B.; Roof, Scott; Tang, Dennis; Lamarre, Eric; Fritz, Michael; Woodard, Troy; Recinos, Pablo; Kshettry, Varun; Sindwani, Raj:

    Free-Tissue Transfer in the Endoscopic Era: Evolving Role of the Top Tier of Skull Base Reconstruction

  • P145
    Crawford, Kayva L.; Wali, Arvin R.; DeConde, Adam S.; Beaumont, Thomas L.:

    Bilateral Inferior Turbinate Flap for Repair of Skull Base Dehiscence after Proton Beam Radiotherapy for Clival Chordoma

  • P146
    Méndez, Andrés F.; Chemas, Maria M.; Gomez, Juan C.; Herrera, Alfredo; Ruiz, Luis A.; Feo, Oscar:

    Cerebral Arterial Vasospasm as a Complication in an Endoscopic Transnasal Approach for the Resection of a WHO-I Meningioma. A Case Report

  • P147
    Rahimli, Tural; Rajabov, Tural; Hidayetov, Tural:

    Skull Base Chordoma with Intradural Component and Compression to Pons

  • P148
    Vaghjiani, Nilan G.; Trikantzopoulou, Maria F.; Murthy, Akshay K.; Broaddus, William C.; Schuman, Theodore A.:

    Longitudinal Trends in the Morbidity and Mortality of Skull Base Surgery by Anatomic Subsite

  • P150
    Cler, Samuel J.; Chicoine, Michael R.:

    A Low Subfrontal Dural Opening for Anterior Skull Base Lesions

  • P151
    Raviv, Nataly; Salgado-Lopez, Laura; Kenning, Tyler; Pinheiro-Neto, Carlos; Jones, David; Peris-Celda, Maria:

    Intraoperative Differentiation of Normal Pituitary Gland from Adenoma Using Frozen Section and Touch Preparation Techniques

  • P152
    Abramov, Irakliy; Houlihan, Lena M.; Loymak, Thanapong; Labib, Mohamed A.; Lawton, Michael T.; Preul, Mark C.:

    Steps of the Expanded Extreme Lateral Approach: A Systematic and Consequential Anatomical Description

  • P153
    Méndez, Andrés F.; Chemas, María M.; Vargas, Alejandro; Herrera, Alfredo; Ruíz, Luis A.; Feo, Oscar:

    Endoscopic Transorbital Approach for Sphenoorbital Meningiomas: First Colombian Case Reports

  • P154
    Najera, Edinson; Muhsen, Baha'eddin; Ibrahim, Bilal; Obrzut, Michal; Borghei-Razavi, Hamid; Adada, Badih:

    The Blood Supply of Intracavernous Cranial Nerves: An Anatomic Study and Its Implications for Transcranial and Endoscopic Cavernous Sinus Surgery

  • P155
    Diniz, Stefania B.; Cohen, Liza M.; Roelofs, Kelsey A.; Suh, Jeffrey; Kim, Won; Rootman, Daniel B.:

    Optic Canal Decompression for Delayed Vision Loss in Posttraumatic Optic Neuropathy

  • P156
    Cross, Kevin A.; Chicoine, Michael R.:

    The Transfrontal Sinus Approach to Anterior Fossa Skull Base Tumors in the Era of Expanded Endonasal Endoscopy

  • P158
    Thien, Ady; Kim, Michael G.; Evins, Alexander I.; Stieg, Philip E.; Bernardo, Antonio:

    Surgical Strategies for Incising the Tentorium in Skull Base Approaches

  • P159
    Weeks, Christopher; Xu, Ya; Jalali, Ali; Gallagher, Kelly:

    Skull Base Chondromyxoid Fibroma: A Case Report and Review of the Literature

  • P161
    Kondajji, Aditya M.; Evans, Audree; Unterberger, Ansley; Kulinich, Daniel; Ding, Kevin; Duong, Courtney; Patel, Kunal; Yang, Isaac:

    Gamma Knife Radiosurgery for Hypothalamic Hamartomas: Systematic Review

  • P162
    Bhargava, Malika; Naeem, Komal; Porter, Randall:

    Zapping Vestibular Schwannomas: The First Vestibular Schwannoma Treated with the ZAP-X

  • P163
    Muhsen, Baha'eddin A.; Ali, Assad M.; Razavi, Hamid B.; Adada, Badih B.:

    Microsurgical Resection of Petroclival Meningiomas Treated with Stereotactic Radiosurgery to Address Persistent Posttreatment Trigeminal Pain

  • P164
    Rindler, Rima; Soriano, Robert; Elsherbini, Mohamed; Mallory, Raymond; Solares, Clementino; Pradilla, Gustavo:

    In Vivo Application and Short-Term Outcomes of Exoscope-Assisted Near-Total Temporal Bone Resection for Malignancy

  • P165
    Berastegui, GRene A.; Gomez, Santiago; Lozano, Alfonso; Izquierdo, Juan C.:

    Primary Skull Base Melanoma Causing Jugular Foramen Syndrome

  • P166
    Cutshaw, Drew; Klein, Melissa; Lee, Saangyoung E.; Kimple, Adam J.; Senior, Brent A.; Zanation, Adam M.; Thorp, Brian D.; Ebert, Charles S.:

    Understandability and Readability of Online Resources for Skull Base Surgery Patients

  • P167
    Leonel, Luciano; O'Brien, Michael; Pinheiro-Neto, Carlos D.; Paul, Alexandra R.; Adamo, Matthew; Peris-Celda, Maria:

    Pilot Study in Theoretical and Hands-On Experience and its Contribution to Learning of Residents and Young Trainees in Neurosurgery. The Importance of Surgical Anatomy Laboratories as Part of Training

  • P168
    Nebor, Ivanna; Mejia-Munne, Juan C.; Hossein, Ahmed; Montemagno, Kora; Fumagalli, Rebecca; Labiad, Ikrame; Anderson, Zoe; Patil, Yash; Sedaghat, Ahmad R.; Forbes, Jonathan:

    Investigation of Surgical Precision and Efficiency in A Laboratory Model of Endoscopic Endonasal Dural Suturing: Is 3D Endoscopy Superior to 2D Endoscopy?

  • P169
    Rindler, Rima; Soriano, Roberto; Luhanga, Ulemu; Taylor, Taryn; Oyesiku, Nelson:

    Upright, Bright, Instruments in Sight: A Multimodal Training Module for Assisting in Endoscopic Endonasal Procedures for Junior Surgical Residents

  • P171
    Gorthey, Scott; Webb, Nathaniel; Svrakic, Maja:

    Micro-CT 3D Printed Temporal Bone Dissection: A Feasibility Study

  • P172
    Salgado-Lopez, Laura; Leonel, Luciano C.; Obrien, Michael; Adepoju, Adedamola; Link, Michael J.; Pinheiro-Neto, Carlos D.; Peris-Celda, Maria:

    Anatomical Step-by-Step Dissection of Complex Skull Base Approaches for Trainees: Surgical Anatomy of the Endoscopic Endonasal Approach to the Orbit

  • P173
    O'Brien, Michael; Leonel, Luciano; Kenning, Tyler; Pinheiro-Neto, Carlos; Peris-Celda, Maria:

    Anatomical Step-by-Step Endoscopic Endonasal Approach for Maxillary Nerve (V2) Rhizotomy and Case Series

  • P174
    Son, Esther Y.; Mohyeldin, Ahmed; Pendharkar, Arjun; Fernandez-Miranda, Juan C.; Kossler, Andrea L.:

    First Case Report of Primary Central Nervous System Amyloidoma Involving Cranial Nerves V and VII

  • P175
    Soriano, Roberto M. M.; Pradilla, Gustavo; Solares, C. Arturo:

    A Multiplanar Perspective of Endoscopic Approaches to the Infratemporal Fossa: A Cadaveric Study

  • P176
    Page, Joshua C.; Patel, A.; Srinivasan, V. M.; Sweeney, Alex D.; Kan, P.:

    Multidisciplinary Approach to Recalcitrant Dural AV Fistula

  • P177
    Lawrence, Jesse D.; Rehman, Azeem; Lee, Mark:

    Treatment of a Pontine Cavernoma with Laser Interstitial Thermal Therapy: Case Report

  • P178
    Dang, Danielle D.; Mugge, Luke A.; Dang, John V.; Mansinghani, Seth; Vyas, Nilesh:

    Cerebellopontine Angle Glioblastoma: Unlikely Presentation and Limited Treatment Options

  • P179
    Hicks, Kelli L.; Selleck, Anne M.; Brown, Kevin D.:

    A Case–Case Analysis of Intralabyrinthine versus Intracanalicular Vestibular Schwannomas

  • P180
    Hasnie, S.; Purthi, A.; Dunn, I. F.; Bien, A. G.:

    Contralateral Hearing Loss after Vestibular Schwannoma Resection

  • P181
    Shapiro, Scott B.; Kemper, Nathan; Jameson, Austin; Hazenfield, Michael; Lipschitz, Noga; Zuccarello, Mario; Samy, Ravi N.:

    Cochlear Ossification after Vestibular Schwannoma Resection via the Middle Cranial Fossa Approach

  • P182
    Evins, Alexander I.; Kim, Michael G.; Stieg, Philip E.; Bernardo, Antonio:

    Surgical Exposure of the Proximal Internal Auditory Canal: An Anatomosurgical Comparison of Retrosigmoid and Middle Fossa Transpetrosal Corridors

  • P183
    Peña, Pablo; Gómez, Matías; Sariego, Homero; Valdes, Cristian; Naudy, Cristian; Walker, Patricia:

    Pontocerebellar Angle Pathology: Analysis of the Casuistry of a Neurosurgical Center in Chile

  • P184
    Kahane, Jacob; Shields, Jessica; Culicchia, Frank; Arriaga, Moises:

    Porus Acusticus Obstruction from a Densely Adherent Loop of Aica during Retrosigmoid Resection of a Vestibular Schwannoma