Andrew S . Little, MD

Department

Surgery (Phoenix)

Position

Instructor

Books

• Abiola Godwin, Hardesty Douglas A, Harshbarger Todd, Hartig Gregory K, Horowitz Peleg M, Hoshide Reid, Iskandar Bermans J, Joganic Edward F, Kassam Amin B, Silva Danilo, Sivakumar Walavan, Sloan Andrew E, Sonabend Adam M, Spetzler Robert F, Spinner Robert J, Steinmetz Michael P, Thompson Floyd, Tran Nam D, Handel Amelia C. Van, Vega Rafael A, Yao Kevin, Yoh Nina, Kelly Daniel F, Kwon Jeong-Taik, Lang Frederick F, Abu-Bonsrah Nancy, Aizenberg Michele R, Al-Mefty Ossama, Almefty Rami, Awad Ahmed, Barkhoudarian Garni, Lee Joung H, Lettieri Salvatore C, Levy Michael L, Li Yiping, Lim Michael, Little Andrew S, Liu Collin, Liu James K, Barnett Gene H, Beals Stephen P, Broaddus William C, Bruce Jeffrey N, Calayag Mark, Carrau Ricardo L, Couldwell William T, Day John Diaz, McMordie Joseph H, Michael L. Madison, Moftakhar Roham, Morris Thomas Whitfield, Neil Jayson A, Neligan Peter C, Novak Christine B, Odell Michael J, Almeida John R. de, DeMonte Franco, DiNapoli Vincent, Eichholz Kurt, Eisenberg Mark B, Evans James J, Feiz-Erfan Iman, Furlan Andre Beer, Ogden Alfred T, Opalak Charles F, Pacione Donato, Parmar Vikas, Pascarella Luigi, Patwa Hafiz, Pieper† Daniel R, Plonsker Jillian, Garzon-Muvdi Tomas, Goodwin C. Rory, Gordon William E, Griffiths Chester, Grooms Adam, Gullane Patrick J, Hachem Ralph Abi, Hamm Wayne, Porter Randall W, Prabhu Sujit S, Prevedello Daniel M, Pyle Mark, Raza Shaan M, Resnick Daniel K, Restrepo Carlos E, Rizk Elias, Robertson Jon H, Rodriguez Analiz, Ryken Timothy, Sattur Mithun G, Sciubba Daniel M, Sen Chandranath, Setty Pradeep, Sharp William, Neurosurgical Operative Atlas 2025
• Hardesty Douglas A., Little Andrew S., Quality of life in patients with pituitary adenomas 2017

General

• Tenhoeve Sam, Barkhoudarian Garni, Orton Cody, Gautam Diwas, Silverstein Julie M., Kim Albert H., Evans James J., Fernandez-Miranda Juan C., Pacione Donato R., Kim Won, Little Andrew S., , Benchmark Surgical Outcomes for Endoscopic Transnasal Craniopharyngioma Resection: Implications for Clinical Practice from the Rapid Consortium 2026
• Greven Alexander C., Karsy Michael, Fernandez-Miranda Juan C., Gardner Paul A., Kshettry Varun, Mamelak Adam, Pacione Donato R., Rennert Robert C., Silverstein Julie, Kelly Daniel F., Wu Kyle, Zada Gabriel, Little Andrew S., Beyene Kassu M., Pacult Mark, Evans James, Benjamin Carolina G., Bergsneider Marvin, Surgeon Experience and Outcomes in Cushing's Disease: A Multicenter Study 2026
• Shih Ryan, Salcedo-Sifuentes Jorge, Harary Maya, Bergsneider Marvin, Wu Kyle, Prevedello Daniel, Evans James J., Chicoine Michael R., Kim Albert H., Silverstein Julie M., Yuen Kevin C., Little Andrew S., , Efficacy and Perioperative Morbidity in the Resection of Recurrent Craniopharyngiomas: A Multi-Institutional Report of the Rapid Registry 2026
• Palit Sandhya R, Wu Kyle C, Prevedello Daniel M, Kshettry Varun R, Little Andrew S, Shinya Yuki, Celda Maria Peris, Torok Ildiko, Blackburn Spiros, Christenson Charles, , Postoperative Cerebrospinal Fluid Leak Following Craniopharyngioma Resection: Review of A Multicenter Experience and Survey of Current Practice 2026
• Parikh Kara A., Kim Won, Catalino Michael, Chicoine Michael, Karsy Michael, Pacione Donato, Little Andrew S., Kshettry Varun, Recinos Pablo, Zada Gabriel, , Development of a Core Outcomes Set (COS) in Surgical Nonfunctional Pituitary Adenoma Research: A Multidisciplinary Rapid Consortium Effort 2026
• Asher Anthony M., Kshettry Varun R., Sindwani Raj, Santarelli Griffin D., Woodard Troy D., Evans James J., Little Andrew S., A Multicenter Single-Blinded Controlled Trial Comparing Nasal Outcomes Using Saline Irrigation After Endonasal Pituitary Surgery-The Nose Trial 2026
• Little Andrew S., Evans James, Kim Won, Gardner Paul, Pacione Donato, Karsy Michael, Kim Albert, Torok Ildiko, Crocker Tomi, Low Trevor, Yuen Kevin, , Founding of a National Surgical Research Consortium for Pituitary Disorders: Description of Cushing’s Disease Cohort, Surgeon Characteristics, and Report of Outcomes 2024
• Pacult Mark A, Hendricks Benjamin K., Sarris Christina E., Torok Ildiko E., Karsy Michael, Evans James J., Yuen Kevin C., Kim Won, Pacione Donald R., Kim Albert H., Gardner Paul A., Little Andrew S., , Unplanned Hospital Readmissions Following Trans-sphenoidal Surgery for Cushing's Disease from a Multicenter Pituitary Surgery Outcomes Registry of 26 Surgeons 2024
• Brigeman Scott T., Little Andrew S., Hendricks Benjamin K., Sarris Christina E., Furey Charuta G., Eschbacher Jennifer M., Yuen Kevin C., Crooke Cell Adenomas versus Corticotroph Adenomas: Radiographic Features and Remission Rates Following Surgery for Cushing's Disease 2023
• Chakrabarti Jayati, Eschbacher Jennifer, Mallick Saptarshi, Pond Kelvin W., Yuen Kevin, Thorne Curtis, Little Andrew S., Zavros Yana, A Novel Human Pituitary Adenoma Organoid Model to Accelerate Targeted Treatment of Cushing's Disease 2022
• Sarris Christina E., Little Andrew S., Santarelli Griffin, Almefty Kaith, A Teaching Atlas of the Ultrasound Anatomy of The Skull Base: Implications for Future Applications of Intraoperative Ultrasound in Endoscopic Endonasal Skull Base Surgery 2022
• 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 2021
• Labib Mohamed, Lawton Michael, Preul Mark, Moreira Leandro Borba, Zhao Xiaochun, Cavallo Claudio, Gandhi Sirin, Meybodi Ali Tayebi, Belykh Evgenii, Little Andrew, A Quantitative Comparison between the Transcranial Transcavernous Approach and the Endoscopic Endonasal Transsphenoidal Pituitary Hemitransposition to Upper Clivus Region 2019
• Kalani Yashar, McBride Heyoung, Youssef Emad, Little Andrew, Brachman David, Knecht Laura, White William, The Barrow Neurological Institute Experience Treating Patients with Recurrent or Residual Pituitary Adenoma using Cyberknife Stereotactic Radiosurgery 2015
• Elhadi Ali M., Zaidi Hasan A., Shah Ahmed, Nakaji Peter, Preul Mark C., Little Andrew S., Infraorbital Nerve: A Road Map to the Pterygopalatine Fossa, Cavernous Sinus, and Skull Base in Endoscopic Transmaxillary Approaches 2015
• Elhadi Ali M., Kalani Yashar S., Almefty Kaith K., Kalb Samuel, Nakaji Peter, Chapple Kristina, Preul Mark C., Little Andrew S., Development of a Physical Simulator Model for Developing and Evaluating Endoscopic Endonasal Surgical Skills 2014
• Elhadi Ali M., Mendes George A.C., Almefty Kaith, Yasher M., Kalani S., Nakaji Peter, Dru Alexander, Preul Mark C., Little Andrew S., Comparison of Surgical Freedom and Area of Exposure in Three Endoscopic Transmaxillary Approaches to the Anterolateral Cranial Base 2013
• Bambakidis Nicholas C, Little Andrew, Hassan Ashraf M, Jitta Pakrit, Reis Cassius V.C, Crawford Neil, Preul Mark C, Deshmukh Pushpa, Zabramski Joseph M, Spetzler Robert F, Quantitative Analysis of Exposure of Staged Orbitozygomatic and Retrosigmoid Craniotomies for Lesions of the Petrous Apex and Clivus with Supratentorial and Infratentorial Extension 2007

Articles

• Neurosurgical Operative Atlas
  Feiz-Erfan Iman, Spetzler Robert F., Porter Randall W., Beals Stephen P., Lettieri Salvatore C., Hardesty Douglas A., Little Andrew S., Joganic and Edward F., 33 Transbasal Approaches to the Skull Base and Extensions [Book Chapter] 2025
• Cerebrospinal Fluid Rhinorrhea: Comprehensive Guide to Evaluation and Management
  Sarris Christina E., Santarelli Griffin D., Little Andrew S., Role of cerebrospinal fluid diversion in cerebrospinal fluid leak repairs and skull base surgery [Book Chapter] 2023

Publications

• Neurosurgery
  Salcedo-Sifuentes Jorge E., Suryadevara Carter M., Little Andrew, Torok Ildiko, Gardner Paul A., Silverstein Julie, Kim Albert H., Barkhoudarian Garni, Fernandez-Miranda Juan C., Evans James J., Yuen Kevin, , 1158 Disparities in Protocol Exposure and Outcomes of TNTS Resection for Cushing's Disease: A Multi-Institutional Analysis
  72:Supplement_1, p. 223 - 224 2026
• Neurosurgery
  Rich Coulson, Little Andrew S., Pacult Mark A., Landman Natalie, Lawton Michael T., 418 Trend of Neurosurgery Practice Consolidation in Florida
  72:Supplement_1, p. 118 - 119 2026
• Clinical neurology and neurosurgery
  Tenhoeve Samuel A, Yuen Kevin Cj, Kim Albert H, Evans James J, Collopy Callen, Silverstein Julie M, Rennert Robert, Couldwell William T, Kelly Dan, Fernandez-Miranda Juan C, Little Andrew S, Barkhoudarian Garni, , Multi-center comparison of corticotropin releasing hormone vs. desmopressin stimulation responses in inferior petrosal sinus sampling for Cushing's disease
  266, p. 109393 2026
• Journal of the Endocrine Society
  Zavros Yana, Little Andrew S, Kim Albert H, Santagata Sandro, Wells James M, Mayhew Chris, Ji Yuen Kevin Choong, Zada Gabriel, Chakrabarti Jayati, Eschbacher Jennifer M, Mochel Jonathan P, Evans James J, Pacione Donato R, Pandey Ritu, Allenspach Karin, Jordan Gretchen, SUN-056 The National Biorepository and Resource for Pituitary Neuroendocrine Tumor Translational Research (BioPitNeT)
  9:Suppl 1 2025
• Journal of neurosurgery
  Karsy Michael, Rennert Robert C, Benjamin Carolina G, Catalino Michael P, Zada Gabriel, Silverstein Julie M, Wu Kyle, Van Gompel Jamie J, Chicoine Michael R, Gardner Paul A, Little Andrew S, Kshettry Varun R, Evans James J, Barkhoudarian Garni, Kim Won, Pacione Donato R, Fernandez-Miranda Juan C, , Outcome metrics for primary endoscopic endonasal surgery for low-risk patients with Cushing's disease: an evidence-based position statement from the Registry of Adenomas of the Pituitary and Related Disorders consortium
  143:4, p. 907 - 915 2025
• Journal of neurological surgery. Part B, Skull base
  Pacult Mark A., Gardner Paul A., Silverstein Julie M., Kim Albert H., Kshettry Varun R., Chicoine Michael R., Little Andrew S., Karsy Michael, Evans James J., Kim Won, Pacione Donato R., Fernandez-Miranda Juan C., Rennert Robert C., Zada Gabriel, A Multicenter Study of Unplanned Hospital Readmissions after Transsphenoidal Surgery for Cushing's Disease
  86:5, p. 562 - 569 2025
• The journal of clinical endocrinology and metabolism
  Salcedo-Sifuentes Jorge Eduardo, Wang Marilene B, Shih Ryan, Heaney Anthony P, Bergsneider Marvin, Donangelo Ines, Lee Jivianne, Delery William, Kshettry Varun R, Little Andrew S, Karsy Michael, , Cushing Disease Clinical Phenotype and Tumor Behavior Vary With Age: Diagnostic and Perioperative Implications
  110:9, p. 2595 - 2604 2025
• Journal of neurological surgery. Part B, Skull base
  Catalino Michael P., Pham Duy, Rennert Robert C., Kim Won, Couldwell William T., Evans James J., Callopy Calen, Pacione Donato, Suryadevara Carter M., Little Andrew, Kim Albert, , Early Findings from the Multicenter RAPID Consortium on Papillary Craniopharyngiomas 2025
• Journal of neurosurgery
  Cheok Stephanie K, Little Andrew S, Ruzevick Jacob, Briggs Robert G, Cote David J, Shah Ishan, Gomez David, Bove Ilaria, Feng Jeffrey J, Pangal Dhiraj J, Strickland Ben A, , A contemporary, multiinstitutional analysis of transcription factor lineage in pituitary adenomas: comparative study of neuroimaging, histopathology, and clinical outcomes
  143:1, p. 146 - 154 2025
• Journal of neuro-oncology
  Karsy Michael, Little Andrew S., Kshettry Varun R., RAPID, a multicenter collaboration for the study of craniopharyngiomas: challenges, opportunities, and future directions
  173:2, p. 489 - 492 2025
• Neurosurgery
  Prasad Apurva, Zeng William, Chakrabarti Jayati, Shah Ishan, Garrett Norman, Cote David J., Briggs Robert G., Zavros Yana, Laws Edward R., Aurelio Oscar, Weisenberger Daniel, Shiroishi Mark, Little Andrew S., Zada Gabriel, 1327 Integrated Epigenomic and Gene Expression Analysis Correlates Genetic Characteristics of GH-Secreting Pituitary Adenomas to Clinical Outcomes
  71:Supplement_1, p. 220 - 221 2025
• Neurosurgery
  Wishart Danielle, Shiroishi Mark, Hurth Kyle M., Garrett Norman, Peterson Racheal, Cote David J., Briggs Robert G., Little Andrew S., Kim Albert H., Evans James J., Gardner Paul A., , 2012 Comparison of Outcomes Following Surgical Intervention for MRI-Positive Versus MRI-Negative Cushing's Disease: A Multi-Center Study
  71:Supplement_1, p. 243 - 243 2025
• Neurosurgery
  Suryadevara Carter M., Silverstein Julie, Little Andrew S., Gardner Paul A., Kim Albert H., Evans James J., Barkhoudarian Garni, Fernandez-Miranda Juan Carlos, Couldwell William T., Rennert Robert, , 483 Standardized Perioperative Protocols are Associated With Reduced Length of Stay and Readmission After Endoscopic Surgery in Cushing's Disease
  71:Supplement_1, p. 118 - 118 2025
• Neurosurgery
  Findlay Matthew C., Kim Albert H., Little Andrew S., Evans James J., Rennert Robert C., Collopy Sarah, Lucke-Wold Brandon, Couldwell William T., Kim Won, Delery William, Pacione Donato R., , Impact of Frailty on Surgical Outcomes of Patients With Cushing Disease Using the Multicenter Registry of Adenomas of the Pituitary and Related Disorders Registry
  96:2, p. 386 - 395 2025
• Operative neurosurgery (Hagerstown, Md.)
  Zervos Thomas M., Mcclendon Jamal, Cho Steve S., Samiappan Sathish Prabu Sathyamangalam, Little Andrew S., Santarelli Griffin D., Ronecker Jennifer S., Endoscopic, Endonasal, Transsphenoidal, Transclival Approach for Resection of Odontoid Process: 2-Dimensional Operative Video
  28:1, p. 132 - 132 2025
• Journal of neurosurgery. Case lessons
  Wehbi Nader, Rahmani Redi, Catapano Joshua S., Benet Arnau, Kim Jennifer E., Scherschinski Lea, Ducruet Andrew F., Little Andrew S., Santarelli Griffin D., Stevens Shawn M., Anthony Austin W., Jadhav Ashutosh P., Albuquerque Felipe C., Lawton Michael T., Jategaonkar Ameya A., Extracranial-intracranial bypass using a cephalic vein graft for iatrogenic internal carotid artery injury during functional endoscopic sinus surgery: illustrative case
  8:16 2024
• Journal of the Endocrine Society
  Chakrabarti Jayati, Horbinski Craig, Zada Gabriel, Hurth Kyle, Carmichael John David, Shiroishi Mark, Garrett Norman E, Weisenberger Dan, Laws Edward Raymond, Castro Ana Valeria Barros, Zavros Yana, Eschbacher Jennifer, Little Andrew S, SAT-075 Revealing the Heterogeneity and Behavior of Pituitary Neuroendocrine Tumors in Cushing’s Disease Patients using Spatial Multiomics
  8:Supplement_1 2024
• Neurosurgery
  Findlay Matthew C., Couldwell William T., Tenhoeve Sam, Alt Jeremiah, Rennert Robert C., Kim Won, Pacione Donato, Little Andrew S., Evans James, Collopy Sarah, Delery William, , Predictors of Durable Remission After Successful Surgery for Cushing Disease: Results From the Multicenter RAPID Registry
  95:4, p. 761 - 769 2024
• Neurosurgery
  Little Andrew S., Karsy Michael, Kim Albert H., Evans James J., Kim Won, Pacione Donato R., Torok Ildiko E., Sarris Christina E., Gardner Paul A., Hendricks Benjamin K., , Multicenter Registry of Adenomas of the Pituitary and Related Disorders: Initial Description of Cushing Disease Cohort, Surgical Outcomes, and Surgeon Characteristics
  95:2, p. 372 - 379 2024
• World neurosurgery
  Elahi Cyrus, Cole Tyler S., Little Andrew S., Shaftel Kelly A., h global- Index: A Novel Author-Level Measure of the Diffusion of Scientific Ideas Among High-, Low-, and Middle-Income Countries
  184, p. E360 - E366 2024
• The lancet. Diabetes & endocrinology
  Ho Ken K.Y., Fleseriu Maria, Little Andrew S., Wass John, Katznelson Laurence, Raverot Gerald, Kaiser Ursula B., Castaño Justo P., Reincke Martin, Lopes M. Beatriz, Chanson Philippe, Gadelha Mônica, Melmed Shlomo, A proposed clinical classification for pituitary neoplasms to guide therapy and prognosis
  12:3, p. 209 - 214 2024
• World neurosurgery
  Bove Ilaria, Briggs Robert G., Cheok Stephanie K., Feng Jeffrey J., Ruzevick Jacob, Shiroishi Mark, Laws Edward, Castro Ana Valeria, Carmichael John, Zada Gabriel, Cote David J., Shah Ishan, Little Andrew, Hurth Kyle, Clinical Implications of Pituitary Adenomas Exhibiting Dual Transcription Factor Staining: A Case Series of 27 Patients
  182, p. e62 - e66 2024
• The journal of clinical endocrinology and metabolism
  Mamelak Adam N., Little Andrew S., Gardner Paul A., Kshettry Varun R., Jane John A., Barkhoudarian Garni, Almeida João Paulo, Recinos Pablo, Soni Pranay, Kelly Daniel F., , A Prospective, Multicenter, Observational Study of Surgical vs Nonsurgical Management for Pituitary Apoplexy
  109:2, p. e711 - e725 2024
• Nature reviews. Endocrinology
  Ho Ken K. Y., Chanson Phillippe, Kaiser Ursula B., Little Andrew, Gadelha Monica, Wass John, Nieman Lynnette, Aghi Manish K., Raetzman Lori, Post Kalmon, , Pituitary adenoma or neuroendocrine tumour: the need for an integrated prognostic classification
  19:11, p. 671 - 678 2023
• Journal of the Endocrine Society
  Chakrabarti Jayati, Zavros Yana, Eschbacher Jennifer, Yuen Kevin, Little Andrew S, SAT625 The EGF-TBX19-EGFR Positive Feedback Loop Regulates The Expression Of The CD44v9/SLC7A11 Antioxidant System Within Corticotroph Pituitary Neuroendocrine Tumors
  7:Suppl 1 2023
• Journal of the Endocrine Society
  Ji Yuen Kevin Choong, Smith Elizabeth, Little Andrew S, Bernabe Frank Cossio, Rodriguez Monica, Eschbacher Jennifer M, THU077 Differences In Clinicopathological Features Of Acidophil Stem Cell Adenomas Compared To Other Subtypes Of Acromegaly: A Retrospective Study
  7:Suppl 1 2023
• Journal of the Endocrine Society
  Chakrabarti Jayati, Eschbacher Jennifer, Mallick Saptarshi, Churko Jared, Little Andrew S, Ji Yuen Kevin Choong, Zavros Yana, OR20-05 Generation Of CDH23-mutated Pituitary Neuroendocrine Tumor Organoids From Induced Pluripotent Stem Cells To Model Cushing’s Disease Pathogenesis
  7:Suppl 1 2023
• Journal of neurosurgery
  Xu Yuan, Mathis Andrea M., Pollo Bianca, Schlegel Jürgen, Martirosyan Nikolay L., Eschbacher Jennifer M., Quint Karl, Preul Mark C., Maragkou Theoni, Seidel Kathleen, Schucht Philippe, Smith Kris A., Porter Randall W., Raabe Andreas, Little Andrew S., Sanai Nader, Agbanyim Dennis C., Hewer Ekkehard, Intraoperative in vivo confocal laser endomicroscopy imaging at glioma margins: can we detect tumor infiltration?, p. 1 - 10 2023
• Translational research : the journal of laboratory and clinical medicine
  Mallick Saptarshi, Churko Jared, Chakrabarti Jayati, Eschbacher Jennifer, Moraitis Andreas G., Greenstein Andrew E., Zavros Yana, Pond Kelvin W., Livolsi Antonia, Thorne Curtis A., Little Andrew S., Yuen Kevin C.J., Genetically engineered human pituitary corticotroph tumor organoids exhibit divergent responses to glucocorticoid receptor modulators
  256, p. 56 - 72 2023
• Neurosurgery
  Shaftel Kelly A., Cole Tyler S., Little Andrew S., In Reply: Nationwide Readmission Rates and Hospital Charges for Patients With Surgical Evacuation of Nontraumatic Subdural Hematomas: Part 1-Craniotomy
  92:3, p. E65 - E65 2023
• Journal of neurosurgery
  Abramov Irakliy, Belykh Evgenii, Dru Alexander B, Park Marian T, Xu Yuan, Gooldy Timothy C, Scherschinski Lea, Farber S Harrison, Little Andrew S, Porter Randall W, Smith Kris A, Lawton Michael T, Eschbacher Jennifer M, Preul Mark C, Intraoperative confocal laser endomicroscopy: prospective in vivo feasibility study of a clinical-grade system for brain tumors
  138:3, p. 587 - 597 2023
• Operative neurosurgery (Hagerstown, Md.)
  Shaftel Kelly A., Little Andrew S., Przybylowski Colin J., Endoscopic Endonasal Transsphenoidal Approach to Repair Cerebrospinal Fluid Rhinorrhea After an Anterior Clinoidectomy for Aneurysm Clipping: Series of 4 Cases
  24:1, p. 17 - 22 2023
• Neurosurgery
  Shaftel Kelly A., Little Andrew S., Jubran Jubran H., Cole Tyler S., Nationwide Readmission Rates and Hospital Charges for Patients With Surgical Evacuation of Nontraumatic Subdural Hematomas: Part 2-Burr Hole Craniostomy
  91:6, p. 892 - 899 2022
• Cells (Basel, Switzerland)
  Chakrabarti Jayati, Eschbacher Jennifer, Mallick Saptarshi, Stansfield Ben N, Chen Yuliang, Hermes Beth, Mallick Palash, Little Andrew S, Thorne Curtis A, Yuen Kevin C J, Pond Kelvin W, Pandey Ritu, Churko Jared M, Zavros Yana, Development of Human Pituitary Neuroendocrine Tumor Organoids to Facilitate Effective Targeted Treatments of Cushing's Disease
  11:21, p. 3344 2022
• Journal of neurological surgery. Part B, Skull base
  Loymak Thanapong, Belykh Evgenii, Abramov Irakliy, Tungsanga Somkanya, Sarris Christina E., Little Andrew S., Preul Mark C., Comparative Analysis of Surgical Exposure among Endoscopic Endonasal Approaches to Petrosectomy: An Experimental Study in Cadavers
  83:5, p. 526 - 535 2022
• Operative neurosurgery (Hagerstown, Md.)
  Park Marian T, Smith Kris A, Porter Randall W, Little Andrew S, Lawton Michael T, Eschbacher Jennifer M, Preul Mark C, Abramov Irakliy, Gooldy Timothy C, Introduction of In Vivo Confocal Laser Endomicroscopy and Real-Time Telepathology for Remote Intraoperative Neurosurgery-Pathology Consultation
  23:3, p. 261 - 267 2022
• Journal of neurological surgery. Part B, Skull base
  Przybylowski Colin J., Shaftel Kelly A., Hendricks Benjamin K., Almefty Kaith K., Chapple Kristina M., Stevens Shawn M., Porter Randall W., Sanai Nader, Little Andrew S., Perioperative Complication Profile of Skull Base Meningioma Resection in Older versus Younger Adult Patients
  83:4, p. 411 - 417 2022
• Neurosurgery
  Shaftel Kelly A., Jubran Jubran H., Schriber Tyler D., Little Andrew S., Cole Tyler S., Nationwide Readmission Rates and Hospital Charges for Patients With Surgical Evacuation of Nontraumatic Subdural Hematomas: Part 1-Craniotomy
  91:2, p. 247 - 255 2022
• Journal of neurosurgery
  Little Andrew S., Wu Sherry J., Cognitive bias and neurosurgical decision making
  137:1, p. 307 - 312 2022
• Journal of neurological surgery. Part B, Skull base
  Przybylowski Colin J., Furey Charuta G., DiDomenico Joseph D., Porter Randall W., Hendricks Benjamin K., Almefty Kaith K., Sanai Nader, Little Andrew S., Residual Tumor Volume and Tumor Progression after Subtotal Resection and Observation of WHO Grade I Skull Base Meningiomas
  83:Suppl 2, p. e530 - e536 2022
• Curēus (Palo Alto, CA)
  Hendricks Benjamin K, DiDomenico Joseph D, Lawton Michael T, Little Andrew S, Unique Presentation and Novel Surgical Approach to a Transcribriform Penetrating Head Injury Caused by a Nail Gun
  14:6, p. e25581 2022
• Neurosurgical focus
  Abramov Irakliy, Park Marian T., Gooldy Timothy C., Xu Yuan, Lawton Michael T., Little Andrew S., Porter Randall W., Smith Kris A., Eschbacher Jennifer M., Preul Mark C., Real-time intraoperative surgical telepathology using confocal laser endomicroscopy
  52:6, p. E9 - E9 2022
• Operative neurosurgery (Hagerstown, Md.)
  Houlihan Lena Mary, Little Andrew S, Zhao Xiaochun, Labib Mohamed A, Milligan John, An Unusual Presentation of Retro-Odontoid Intradural Pannus Managed With an Endoscopic Endonasal Transclival Approach
  22:5, p. e220 - e220 2022
• World neurosurgery
  Loymak Thanapong, Tungsanga Somkanya, Abramov Irakliy, Sarris Christina E., Little Andrew S., Preul Mark C., Comparison of Anatomic Exposure After Petrosectomy Using Anterior Transpetrosal and Endoscopic Endonasal Approaches: Experimental Cadaveric Study
  161, p. e642 - e653 2022
• Neurosurgery
  Shaftel Kelly T., Little Andrew S., Cole Tyler S., Jubran Jubran H., Schriber Tyler, 306 Nationwide Readmission Rates and Costs for Patients With Surgical Evacuation of Nontraumatic Subdural Hematomas: Part 1-Craniotomy
  68:Supplement_1, p. 67 - 67 2022
• Clinical imaging
  Farnworth Michael T., Little Andrew S., Yuen Kevin C.J., Chapple Kristina M., Matthees Nicholas G., White William L., Rogers Leland, Hughes Jeremy N., Evolution of postoperative pituitary adenoma resection cavities assessed by magnetic resonance imaging and implications regarding radiotherapy timing and modality
  82, p. 110 - 116 2022
• Journal of Neurological Surgery, Part B: Skull Base
  Karsy Michael, Kim Won, Zada Gabriel, Crocker Tomiko, Torok Ildiko, Little Andrew, Chicoine Michael, Kshettry Varun, Gardner Paul, Hardesty Douglas, Fernandez-Miranda Juan C., Evans James J., Barkhoudarian Garni, The RAPID Consortium: A Platform for Clinical and Translational Pituitary Tumor Research
  85:1 2022
• Journal of neurosurgery
  Sarris C. E., Brigeman S. T., Doris E., Bobrowitz M., Rowe T., Duran E. M., Santarelli G. D., Rehl R. M., Yuen K. C. J., Ovanessoff G., Rodriguez M. C., Buddhdev K., Little A. S., Effects of a transsphenoidal surgery quality improvement program on patient outcomes and hospital financial performance
  137:1, p. 59 - 68 2022
• Journal of neurological surgery. Part B, Skull base
  Zhao Xiaochun, Labib Mohamed A., Avci Emel, Preul Mark C., Baskaya Mustafa K., Little Andrew S., Nakaji Peter, Navigating a Carotico-Clinoid Foramen and an Interclinoidal Bridge in the Endonasal Endoscopic Approach: An Anatomical and Technical Note
  82:5, p. 534 - 539 2021
• Journal of neurosurgery
  Labib Mohamed A., Belykh Evgenii, Cavallo Claudio, Zhao Xiaochun, Prevedello Daniel M., Carrau Ricardo L., Little Andrew S., Ferreira Mauro A. T., Preul Mark C., Youssef A. Samy, Nakaji Peter, The endoscopic endonasal eustachian tube anterolateral mobilization strategy: minimizing the cost of the extreme-medial approach
  134:3, p. 831 - 842 2021
• Journal of Neurosurgery
  Hardesty Douglas A., Little Andrew S., Sheehy John P., Mooney Michael A., Hendricks Benjamin K., Catapano Joshua S., Brigeman Scott T., Bohl Michael A., Postoperative 30-day emergency department utilization after 7294 cranial neurosurgery procedures at a tertiary neuroscience center
  135:3 2021
• Journal of neurosurgery
  Labib Mohamed A., Moreira Leandro Borba, Zhao Xiaochun, Gandhi Sirin, Cavallo Claudio, Meybodi Ali Tayebi, Youssef A. Samy, Little Andrew S., Nakaji Peter, Preul Mark C., Lawton Michael T., The side door and front door to the upper retroclival region: a comparative analysis of the open pretemporal and the endoscopic endonasal transcavernous approaches
  133:6, p. 1892 - 1904 2020
• Journal of clinical medicine
  Belykh Evgenii, Ngo Brandon, Farhadi Dara S., Zhao Xiaochun, Mooney Michael A., White William L., Daniels Jessica K., Little Andrew S., Eschbacher Jennifer M., Preul Mark C., Confocal Laser Endomicroscopy Assessment of Pituitary Tumor Microstructure: A Feasibility Study
  9:10, p. 3146 2020
• Surgical neurology international
  Zhao Xiaochun, Song Minwoo, Little Andrew S., Preul Mark C., Lawton Michael T., Lopez-Gonzalez Miguel Angel, Labib Mohamed, Ramanathan Dinesh, Eastin Timothy Marc, The anterior incisural width as a preoperative indicator for intradural space evaluation: An anatomical investigation
  11, p. 207 - 207 2020
• Journal of Neurosurgery
  Brachman David G., Youssef Emad, Dardis Christopher J., Sanai Nader, Zabramski Joseph M., Smith Kris A., Little Andrew S., Sorensen Stephen, Shetter Andrew G., Thomas Theresa, McBride Heyoung L., Spetzler Robert F., Nakaji Peter, Resection and permanent intracranial brachytherapy using modular, biocompatible cesium-131 implants: results in 20 recurrent, previously irradiated meningiomas
  131:6, p. 1819 - 1828 2019
• Journal of neurosurgery
  Meybodi Ali Tayebi, Moreira Leandro Borba, Little Andrew S., Lawton Michael T., Preul Mark C., Anatomical assessment of the endoscopic endonasal approach for the treatment of paraclinoid aneurysms
  131:6, p. 1734 - 1742 2019
• World neurosurgery
  Cole Tyler S, Potla Subodh, Sarris Christina E, Przybylowski Colin J, Baranoski Jacob F, Mooney Michael A, Barranco F David, White William L, Eschbacher Jennifer M, Little Andrew S, Rare Thyroid Transcription Factor 1-Positive Tumors of the Sellar Region: Barrow Neurological Institute Retrospective Case Series
  129, p. e294 - e302 2019
• Pituitary
  Cole Tyler S., Jahnke Heidi, Godzik Jakub, Morgan Clinton D., Nakaji Peter, Little Andrew S., Use of a wrist-mounted device for continuous outpatient physiologic monitoring after transsphenoidal surgery: a pilot study
  22:2, p. 156 - 162 2019
• Neurosurgery Clinics of North America
  Yuen Kevin C.J., Correa Ricardo, Little Andrew S., Ajmal Adnan, Sodium Perturbations After Pituitary Surgery
  30:4 2019
• Operative Neurosurgery
  Mooney Michael A., Zipfel Gregory, Yuen Kevin C. J., White William L, Little Andrew S, Valappil Benita, Dacey Ralph, Kim Albert, Evans John, Tongco Caryl, Lesniak Matt S., Bloch Orin, Amidei Christina, Hoskins Bridget, Fernandez-Miranda Juan C., Smith Timothy R., Sarris Christina E., Zhou James J., Barkhoudarian Garni, Chicoine Michael R., Chandler James P., Gardner Paul A., Hardesty Douglas A., Jahnke Heidi, Kelly Daniel F., Liebelt Brandon D., Mayberg Marc R., Prevedello Daniel M., Sfondouris John, Sheehy John P., Proposal and Validation of a Simple Grading Scale (TRANSSPHER Grade) for Predicting Gross Total Resection of Nonfunctioning Pituitary Macroadenomas after Transsphenoidal Surgery
  17:5 2019
• World neurosurgery
  Yağmurlu Kaan, Mooney Michael A, Almefty Kaith K, Bozkurt Baran, Tanrıöver Necmettin, Little Andrew S, Preul Mark C, An Alternative Endoscopic Anterolateral Route to Meckel's Cave: An Anatomic Feasibility Study Using a Sublabial Transmaxillary Approach
  114, p. 134 - 141 2018
• Journal of neurosurgery
  Mooney Michael A., Georges Joseph, Yazdanabadi Mohammedhassan Izady, Goehring Katherine Y., White William L., Little Andrew S., Preul Mark C., Coons Stephen W., Nakaji Peter, Eschbacher Jennifer M., Immediate ex-vivo diagnosis of pituitary adenomas using confocal reflectance microscopy: a proof-of-principle study
  128:4, p. 1072 - 1075 2018
• Journal of Neurosurgery
  Mooney Michael A., Hardesty Douglas A., Sheehy John P., Bird Robert, Chapple Kristina, White William L., Little Andrew S., Interrater and intrarater reliability of the Knosp scale for pituitary adenoma grading
  126:5 2017
• Journal of Neurological Surgery, Part B: Skull Base
  Mooney M. A., Sheehy J. P., Hardesty D. A., Bird C. R., Chapple K., White W. L., Little A. S., Rater Reliability of the Hardy Classification for Pituitary Adenomas in the Magnetic Resonance Imaging Era
  78:5 2017
• Journal of neurosurgery
  Elhadi Ali M, Preul Mark C, Little Andrew S, Ahmed Shah, Yagmurlu Kaan, Nakaji Peter, Zaidi Hasan A, Rhoton, Jr Albert L, Infraorbital nerve: a surgically relevant landmark for the pterygopalatine fossa, cavernous sinus, and anterolateral skull base in endoscopic transmaxillary approaches
  125:6, p. 1460 - 1468 2016
• World neurosurgery
  Zaidi Hasan A, Elhadi Ali M, Lei Ting, Preul Mark C, Little Andrew S, Nakaji Peter, Minimally Invasive Endoscopic Supracerebellar-Infratentorial Surgery of the Pineal Region: Anatomical Comparison of Four Variant Approaches
  84:2, p. 257 - 266 2015
• Journal of Neurological Surgery, Part B: Skull Base
  Hardesty Douglas A., Ponce Francisco A., Little Andrew S., Nakaji Peter, A Quantitative Analysis of Published Skull Base Endoscopy Literature
  77:1 2015
• Neurosurgery
  Elhadi Ali M, Zaidi Hasan A, Hardesty Douglas A, Williamson Richard, Cavallo Claudio, Preul Mark C, Nakaji Peter, Little Andrew S, Malleable endoscope increases surgical freedom compared with a rigid endoscope in endoscopic endonasal approaches to the parasellar region
  10 Suppl 3:3, p. 393 - 399 2014
• World neurosurgery
  Wilson David A., Williamson Richard W., Preul Mark C., Little Andrew S., Comparative Analysis of Surgical Freedom and Angle of Attack of Two Minimal-Access Endoscopic Transmaxillary Approaches to the Anterolateral Skull Base
  82:3-4, p. e487 - e493 2014
• Neurosurgery
  Little Andrew S, Liu SEBAN, Beeman Scott, Sankar Tejas, Preul Mark C, HU Leland S, Smith Kris A, Baxter Leslie C, Diaz Fernando G, Brain Retraction and Thickness of Cerebral Neocortex: An Automated Technique for Detecting Retraction-Induced Anatomic Changes Using Magnetic Resonance Imaging. Commentary
  67:3, p. 277 - 282 2010
• Neurosurgery
  Little Andrew S., Sekhar Laligam N., Day J. Diaz, Fayad Jose N., Preul Mark C., Spetzler Robert E., Abdulrauf Saleem I., Brackmann Derald E., VIRTUAL TEMPORAL BONE: AN INTERACTIVE 3-DIMENSIONAL LEARNING AID FOR CRANIAL BASE SURGERY COMMENTS
  64:5, p. 229 - 230 2009
• Neurosurgery
  Little Andrew S, Sekhar Laligam N, HARSH IV Griffith R, Crawford Neil R, Deshmukh Pushpa, Preul Mark C, Spetzler Robert F, Bambakidis Nicholas C, Raso Jair, DE OLIVEIRA Evandro P, Gerganov Venelin, Jittapiromsak Pakrit, Samii Madjid, QUANTITATIVE ANALYSIS OF EXPOSURE OF STAGED ORBITOZYGOMATIC AND RETROSIGMOID CRANIOTOMIES FOR LESIONS OF THE CLIVUS WITH SUPRATENTORIAL EXTENSION. Commentaries
  62:5, p. 318 - 324 2008