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Faculty Members: 
John Y.K. Lee, M.D.
Assistant Professor of Neurosurgery at the Pennsylvania Hospital
Attending Neurosurgeon, Pennsylvania Hospital, University of Pennsylvania, PA
Attending Neurosurgeon, Hospital University of Pennsylvania, Philadelphia, PA
Medical Director, Penn Gamma Knife at Pennsylvania Hospital,
University of Pennsylvania School of Medicine
Executive Committee - Neurosurgery, Medical Executive Committee - Pennsylvania Hospital
Department: Neurosurgery
Contact information
Department of Neurosurgery
Pennsylvania Hospital
Washington Square West Building
235 S. 8th Street
Philadelphia, PA 19106
Pennsylvania Hospital
Washington Square West Building
235 S. 8th Street
Philadelphia, PA 19106
Office: 215-829-5189
Fax: 215-829-6645
Fax: 215-829-6645
Email:
leejohn@uphs.upenn.edu
leejohn@uphs.upenn.edu
Education:
B.S. (Molecular Biophysics and Biochemistry)
Yale University, 1994.
M.D.
UMDNJ - Robert Wood Johnson, New Jersey, 1998.
M.S.C.E. (Clinical Epidemiology - candidate)
University of Pennsylvania, 2013.
B.S. (Molecular Biophysics and Biochemistry)
Yale University, 1994.
M.D.
UMDNJ - Robert Wood Johnson, New Jersey, 1998.
M.S.C.E. (Clinical Epidemiology - candidate)
University of Pennsylvania, 2013.
Post-Graduate Training
Intern in Surgery, University of Pittsburgh, PA, 1998-1999.
Resident in Neurological Surgery, University of Pittsburgh, PA, 1999-2004.
Chief Resident in Neurological Surgery, University of Pittsburgh, PA, 2004-2005.
Fellow, Cleveland Clinic, Ohio , 2005-2006.
Intern in Surgery, University of Pittsburgh, PA, 1998-1999.
Resident in Neurological Surgery, University of Pittsburgh, PA, 1999-2004.
Chief Resident in Neurological Surgery, University of Pittsburgh, PA, 2004-2005.
Fellow, Cleveland Clinic, Ohio , 2005-2006.
Certifications
Gamma Knife Stereotactic Radiosurgery, University of Pittsburgh, 2005.
Board Certified, American Board of Neurological Surgery, 2009.
Cyberknife Stereotactic Radiosurgery, Accuray, 2011.
Permanent linkGamma Knife Stereotactic Radiosurgery, University of Pittsburgh, 2005.
Board Certified, American Board of Neurological Surgery, 2009.
Cyberknife Stereotactic Radiosurgery, Accuray, 2011.
Description of Clinical Expertise
Dr. Lee has a passion for minimally invasive ways to treat brain and skull base tumors. This passion is expressed as a commitment to endoscopic approaches to remove pituitary, clival, acoustic neuromas and other skull-base tumors. Another expression of his interest in minimally invasive methods is his devotion to stereotactic radiosurgery, eg. "incision-less" brain surgery.In addition to brain tumors, Dr. Lee is committed to the comprehensive treatment of patients with craniofacial neuralgias, including trigeminal neuralgia, glossopharyngeal neuralgia, and hemifacial spasm. Dr. Lee uses minimally invasive, fully endoscopic surgical procedures including microvascular decompression (Jannetta procedure) and stereotactic radiosurgery to cure these disorders.
Selected Publications
Lee JYK, Bhowmick D, Eun D, Canter D, Welch WC: Robot-assisted, autonomic nerve-sparing anterior lumbar interbody fusion: a technical note. Minim Invasive Neurosurg 2012 (accepted).Lee JYK, Barroeta J, Newman J, Venneti S, Chiu A, Grady MS: Endoscopic Endonasal Resection of Anterior Skull Base Meningiomas and Mucosa: Implications for Resection, Reconstruction, and Recurrence. J Neurol Surg A Cent Eur Neurosurg October 2012
Learned KO, Adappa ND, Loevner LA, Palmer JN, Newman JG, Lee JY: MR imaging evaluation of endoscopic cranial base reconstruction with pedicled nasoseptal flap following endoscopic endonasal skull base surgery. European Journal of Radiology December 2012.
Lang SS, Chen HI, Lee JYK: Endoscopic Microvascular Decompression: A Stepwise Operative Technique. ORL; journal for oto-rhino-laryngology and its related specialties. Karger, 74(6): 293-298, December 2012.
Learned KO, Adappa ND, Loevner LA, Palmer JN, Newman JG, Lee JYK: MR imaging evaluation of endoscopic cranial base reconstruction with pedicled nasoseptal flap following endoscopic endonasal skull base surgery. European Journal of Radiology. Elsevier, October 2012.
Bohman L, Stein S, Newman JG, Palmer JN, Adappa ND, Khan A, Sitterley TT, Chang D, Lee JYK: Endoscopic versus Open Resection of Tuberculum Sellae Meningiomas: A Decision Analysis. ORL; journal for oto-rhino-laryngology and its related specialties. Karger, 74(5): 257-265, October 2012.
Maerki J, Riddle ND, Newman J, Husson MA, Lee JYK: Giant Cell Granuloma of the Temporal Bone in a Mixed Martial Arts Fighter. Journal of Neurological Surgery Reports 73: 60-63, October 2012.
Sanborn MR, Kramarz MJ, Storm PB, Adappa ND, Palmer JN, Lee JY: Endoscopic, endonasal, transclival resection of a pontine cavernoma: case report. Neurosurgery 71((1 Suppl Operative)): 198-203, September 2012.
Suneja G, Alonso-Basanta M, Lustig R, Lee JYK, Bekelman JE: Post-Operative Radiation Therapy for Low Grade Glioma: Determinants of Use and Temporal Trends, 1998 to 2006. Cancer 118(15): 3735-42, August 2012.
Adappa N, Learned K, Palmer J, Newman J, Lee JYK: Radiographic Enhancement of the Nasoseptal Flap Does Not Predict Postoperative Cerebrospinal Fluid Leaks in Endoscopic Skull Base Reconstruction. Laryngoscope 122(6): 1226-34, June 2012.
