1. Technical Note: Extracranial aneurysms of the distal posterior inferior cerebellar artery: Resection and primary anastomosis as the preferred management approach Markus Chwajol, M.D., Ziad A Hage, M.D., Sepideh Amin-Hanjani, M.D., Fady T Charbel, M.D.
Department of Neurosurgery, University of Illinois at Chicago, Chicago, Illinois, USA
Surgical Neurology International 4 (1), November 2013: 150.

2. Extracranial Carotid -Vertebral Bypass for Endovascular Access to Complex Posterior Circulation Aneurysms: A Novel Management Approach
Markus Chwajol, M.D., Troy Munson, M.D., Ali Alaraj, MD, Fady Charbel, M.D., Victor A. Aletich, M.D., Sepideh Amin-Hanjani, M.D.
Department of Neurosurgery, University of Illinois at Chicago, Chicago, Illinois, USA
Neurosurgery 5 (70), May 2012: 1296 – 1304.

3. Evaluation Of Indirect Decompression Of The Lumbar Spinal Canal Following Minimally Invasive Lateral Transpsoas Interbody Fusion: Radiographic And Outcome Analysis
Eric H. Elowitz M.D., Daniel S. Yanni M.D., Mark Chwajol M.D.,Robert M. Starke M.D., Noel I. Perin. M.D.
Department of Neurological Surgery, Weill-Cornell Medical College, New York-Presbyterian Hospital, New York, New York; Department of Neurosurgery, Roosevelt Medical Center, New York, New York
Minimally Invasive Neurosurgery 54 (5-6), October 2011: 201-6.

4. Revascularization of the brainstem and cerebellum. Letter to the Editor (In Reply).
Robert M Starke, M.D., Markus Chwajol M.D., Daniel Lefton, M.D., Chandranath Sen, M.D., Sander E. Connolly, M.D., Alejandro Berenstein, M.D., David Langer, M.D.
Departments of Neurosurgery, Neuroendovascular Surgery and Neuroradiology, Roosevelt Hospital, N.Y.
Neurosurgery 2 (67), Aug 2010: E521.

 5. Occipital Artery To Posterior Inferior Cerebellar Artery Bypass For Treatment of Bilateral Vertebral Artery Occlusion: The Role of Quantitative Magnetic Resonance Angiography Non-invasive Optimal Vessel Analysis (NOVA). Case Report and Review of the Literature.
Mark Chwajol, M.D., Robert M. Starke, M.D., Alejandro Berenstein, M.D., Daniel Lefton, M.D., Lauren Ostergren, B.S., Chandranath Sen, M.D., David J. Langer, M.D.
Departments of Neurosurgery, Neuroendovascular Surgery and Neuroradiology, Roosevelt Hospital, N.Y.
Neurosurgery 4 (64), April 2009: E779 – 781.

6. Impact of Compensatory Hyperhidrosis on Patient Satisfaction After Endoscopic Thoracic Sympathectomy for Focal Primary Hyperhydrosis. Mark Chwajol, M.D., Ignacio J. Barrenechea, M.D., Shamik Chakraborty, Tomoyuki Ichiba, B.S., Jonathan B. Lesser, M.D., Clifford P. Connery, M.D., Noel I. Perin, M.D., FRCS(Ed)
Departments of Neurological Surgery and Thoracic Surgery, Roosevelt and Beth Israel Hospital Centers, N.Y.
Neurosurgery 3 (64), March 2009: 511 – 518.

7. Lumbar Stenosis. A Review.
Mark Chwajol M.D. and John K. Houten M.D. Department of Neurosurgery, Albert Einstein CoM of Yeshiva University; Bronx, New York
BMJ-Point of Care Website launched in July 2008.

8. Impact of a Protocol for Acute Antifibrinolytic Therapy on Aneurysm Rebleeding After Subarachnoid Hemorrhage. Starke, Robert M. BA; Kim,Grace H. MD; Fernandez, Andres MD; Komotar, Ricardo J. MD; Hickman, Zachary L. MD; Otten, Marc L. MD; Ducruet, Andrew F. MD; Kellner, Christopher P. MD; Hahn, David K. MD; Chwajol, Markus MD; Mayer, Stephan A. MD; Connolly, E Sander Jr. MD
Departments of Neurosurgery and Neurology, Columbia University; New York
Stroke 39 (9), Sep 2008: 2617 – 2621. 4

9. Robotic intercostal nerve graft for reversal of thoracic sympathectomy: a large animal feasibility model. Latif MJ, Afthinos JN, Connery CP, Perin N, Bhora FY, Chwajol M, Todd GJ, Belsley SJ.
Department of Surgery, St. Luke’s Roosevelt Hospital Center, Columbia University College of Physicians and Surgeons, New York, New York
International Journal of Medical Robotics and Computer Assisted Surgery 4 (3), Sep 2008: 258 – 262.

10 Antifibrinolytic Therapy To Prevent Early Rebleeding After Subarachnoid Hemorrhage.
A Review. Mark Chwajol, Robert M. Starke, Grace H. Kim, Stephan A. Mayer, E. Sander Connolly Jr.
Department of Neurosurgery, Albert Einstein CoM; Bronx, New York and
Departments of Neurosurgery and Neurology, Columbia University, New York
Neurocritical Care 8 (3), June 2008: 418 – 426.

Medical School: State University of New York, Downstate College of Medicine; Brooklyn, NY

Board Certified/Medical Licensure: Illinois

AANS, CNS, Illinois Medical Society

1. Pediatric Vascular Anomalies: June 2007
   Presented at the Pediatric University Conference at Montefiore Medical Center
2. Endoscopic Thoracic Sympathectomy for Focal Primary Hypehidrosis: Factors Influencing Postoperative Improvement and ecurrence and the Impact on Patient Satisfaction: March 2007
   Presented at the 7th International Thoracic Sympathectomy Symposium in Porto de Galinhas, Brazil
3. Impact of Compensatory Hyperhidrosis on Patient Satisfaction After Endoscopic Thoracic Sympathectomy for Focal Primary Hyperhydrosis, March 2007
   Presented at the 7th International Thoracic Sympathectomy Symposium in Porto de Galinhas, Brazil
4. Spinal AVM's: May 2006
   Presented at the Spine University Conference at Montefiore Medical Center
5. Ventriculostomy-related Infections: September 2005
   Presented at Grand Rounds; Department of Neurosurgery at Roosevelt Hospital
6. Surgical vs. non-surgical treatment of GH-secreting pituitary adenomas: April 2001
   Presented at Grand Rounds; Department of Neurosurgery at SUNY Downstate College of Medicine
7. Possible function(s) of protein kinases Fused and Suppressor of Fused in the mechanism of Hedgehog signal transduction: January 1998
   Presented at the SURF Symposium at Columbia University 5
8. Extracranial Carotid-vertebral Bypass for Endovascular Access to Complex Posterior Circulation Aneurysms: A Novel Management Approach. Markus Chwajol, M.D., Troy Munson, M.D., Ali Alaraj, MD, Fady Charbel, M.D., Victor A. Aletich, M.D., Sepideh Amin-Hanjani, M.D.
   Accepted: 14th Joint Annual Meeting of the AANS/CNS CV Section: Los Angeles, CA, February 7 – 8, 2011
9. The Use of Spinal Instrumentation in Surgical Management of Spinal Osteomyelitis: A META Analysis
   Mark Chwajol, MD, Adesh Tandon MD, John K. Houten MD
   AANS Annual Meeting: San Francisco, California, April 22 – 27, 2006
10. Correlation of Anomalous Vascular and Osseous Anatomy in Congenital Kyphosis Type I
    Mark Chwajol, MD and John K. Houten MD
    AANS Annual Meeting: New Orleans, Louisiana, April 16 – 21, 2005