Tyler Koski, MD's portrait
Tyler Koski, MD
Assistant Professor, Neurological Surgery
Northwestern University, Feinberg School of Medicine
Chicago, IL

About Tyler Koski, MD

Dr. Koski is Assistant Professor of Neurological Surgery at Northwestern University Medical School's Department of Neurosurgery in Chicago, IL. He also is a member of the Northwestern Medical Faculty Foundation, a prestigious group of medical specialists focused on providing high quality patient care and supporting Feinburg School of Medicine's research and academic efforts.

Dr. Koski received his medical degree from Michigan State University, College of Human Medicine, in Grand Rapids, MI. He completed his internship, general and neurological surgery residency at McGaw Medical Center of Northwestern University. In addition, Dr. Koski finished a Complex and Reconstructive Spinal Surgery Intraresidency Fellowship at Northwestern University under mentor Stephen L. Ondra, MD.

Further, Dr. Koski advanced his skill and experience in spine through a Complex Spine Surgery and Spinal Deformity Surgery Fellowship at McGaw Medical Center. Under the tutelage of Lawrence G. Lenke, MD, Dr. Koski broadened his expertise in deformity surgery at Washington University in St. Louis.

Dr. Koski is a member of several important spine organizations including the American Association of Neurological Surgeons, Congress of Neurological Surgeons, and Scoliosis Research Society.

His clinical interests include adult deformity, sagittal alignment, spinal cord tumors, and trauma. Outside medicine, Dr. Koski enjoys golf, racquetball, running, and tennis.


Peer-reviewed Publications
1. Upham BL, Koski TR, Rummel AM, Wilson MR, Horvath A, Trosko JE. Differential roles of 2, 6, and 8 carbon ceramides on the modulation of gap junctional communication and apoptosis during carcinogenesis. Cancer Lett. 2003 Feb 28;191(1):27-34.

2. Salehi SA, Koski T, Ondra SL. Spinal cord compression in beta-thalassemia: case report and review of the literature. Spinal Cord. 2004 Feb;42(2):117-23.

3. Hsieh PC, Wienecke RJ, O'Shaughnessy BA, Koski TR, Ondra SL. Surgical strategies for vertebral osteomyelitis and epidural abscess. Neurosurgical Focus. 2004 Dec 15;17(6):E4.

4. Ondra SL, Marzouk S, Ganju A, Morrison T, Koski T. Safety and efficacy of C2 pedicle screws placed with anatomic and lateral C-arm guidance. Spine. 2006 Apr 20;31(9):E263-7.

5. Yang BP, Ondra SL, Chen LA, Jung H, Koski TR, Salehi SA. Clinical and Radiographic Outcomes of thoracic and lumbar pedicle subtraction osteotomy for fixed sagittal imbalance. J Neurosurg Spine. 2006 Jul;5(1):9-17.

6. Ondra SL, Marzouk S, Koski T, Silva F, Salehi S. Mathematical calculation of pedicle subtraction osteotomy size to allow precision correction of fixed sagittal deformity. Spine. 2006. Dec 1;31(25):E973-9.

7. Hsieh PC, Ondra SL, Wienecke RJ, O'Shoughnessy BA, Koski TR. A novel approach to sagittal balance restoration following iatrogenic sacral fracture and resulting sacral kyphotic deformity. Technical note. J Neurosurg Spine. 2007. Apr;6(4).

8. Hsieh PC, Koski TR, O'Shaughnessy BA, Sugrue P, Salehi S, Ondra S, Liu J. Anterior lumbar interbody fusion in comparison with transforaminal lumbar interbody fusion: implications for the restoration of foraminal height, local disc angle, lumbar lordosis, and sagittal balance. J Neursurg. Spine. 2007 Oct;7(4):379-86.

9. O'Shaughnessy BA, Koski TR, Ondra SL. Reversal of neurologic deterioration after vertebral column resection by spinal cord untethering and duraplasty. Spine. 2008 Jan 15;33(2):E50-4.

10. Byrne RW, Bagan BT, Slavin KV, Curry D, Koski TR, Origitano TC. Neurosurgical emergency transfers to academic centers in Cook County: a prospective multicenter study. Neurosurgery. 2008 Mar;62(3):709-16.

11. O'Shaughnessy BA, Liu JC, Hsieh PC, Koski TR, Ganju A, Ondra SL. Surgical treatment of fixed cervical kyphosis with myelopathy. Spine 2008 Apr 1;33(7):771-8.

12. Hsieh PC, Koski TR, Sciubba DM, Moller DJ, O'Shaughnessy BA, Li KW, Gokaslan ZL, Ondra SL, Fessler RG, Liu JC. Maximizing the Potential of Minimally Invasive Spine Surgery in Complex Spinal Disorders. Neurosurg. Focus. 2008. 25(2):E19.

13. Sugrue PA, O'Shaughnessy BA, Nasr F, Koski TR, Ondra SL. Abdominal complications following kyphosis correction in ankylosing spondylitis. J Neurosurg Spine. 2009. Feb;10(2).

Case Studies Presented by Tyler Koski, MD

Mild Lumbar Scoliosis and Spinal Stenosis

Presented by: T. Koski MD
A 60-year-old woman with a history of longstanding back pain and bilateral extremity pain that both improve with sitting and lying down has had symptoms for more than 3 years. She was found to have lumbar scoliosis and spinal stenosis.

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