Visiting professor
Surgery for Parkinson's Disease. Visiting Professor: Medical Grand
Rounds, VA Medical Center, Albany, NY, May, 1995.
Neuroendoscopy. Visiting Professor: Stanford University Hospital,
Stanford, CA, March, 1995.
Parkinson's Disease. Visiting Professor: V.A. Hospital and Albany
Medical College, Albany, NY, Aug, 1995.
Neuroendoscopy. Visiting Professor: Tan Tock Seng Hospital,
Singapore, May, 1995.
Third Ventricular Endoscopy. Visiting Professor: Neurological Institute
of Savannah, Pediatric Grand Rounds, Savannah, GA, Nov, 1995.Surgery
for Parkinson's Disease. Visiting Professor: Nashville Memorial Hospital,
Nashville, TN, Dec, 1995.
Surgery for Parkinson's Disease. Visiting Professor: Cox Memorial
Hospital, Neuroscience Group of Springfield, Springfield, MO, May,
1996.
Pallidotomy: An Ongoing Controversy. Visiting Professor: Phillips-Universitat
Marburg, Marburg, Germany, October, 1996.
Complications on Endoscopic Neurosurgery. Visiting Professor: Phillips-Universitat
Marburg, Marburg, Germany, October, 1996.
Endoscopic Assisted Open Surgery. Visiting Professor: 50 Anos De
Neurociurgia En El Hospital Guillermo Almenara, Instituto Peruano
de Seguridad Social (IPSS), Lima, Peru, February, 1997.
Management of Complex Hydrocephalus. Visiting Professor: Instituto
de Salud Nino (National Children Hospital) and Instituto Peruano de
Seguridad Social (IPSS), Lima, Peru, February, 1997.
Applications of Neuroendoscopy. Visiting Professor: Instituto de
Salud Nino (National Children Hospital) and Instituto Peruano de Seguridad
Social (IPSS), Lima, Peru, February, 1997.
Demonstration of Operative Techniques. Visiting Professor: Centre
Hospitalier Regional et Universitaire de Marseille, France, June,
1997.
Endoscopic Assisted Open Surgery. Visiting Professor: Stanford University
Medical Center, Neurosurgery/Neuroradiology/Neurological Sciences
Grand Rounds, Stanford, CA, March, 1998.
Demonstration of Operative Techniques: Deep Brain Stimulation. Visiting
Professor: Seneca Hospital, Norfolk, VA, June, 1999
Neuroendoscopy. Visiting Professor: Rush University, Chicago, IL,
USA, June, 2000
"Neuroendoscopy" and Operative demonstrations. Visiting
Professor: University of Suez Canal, Ismailia, Egypt,
October, 2000
“Management of Brainstem Tumors”, “Optic/Hypothalamic
Gliomas; role of surgery” Visiting Professor. University
of Seoul, Seoul, Korea, May, 2005
“The Keyhole Concept in Neurosurgery” University
of Pennsylvania, Philadelphia, USA, July, 2006
“The Keyhole Concept in Neurosurgery” Albert
Einstein University, New York, USA, July, 2006
“The Keyhole Concept in Neurosurgery” Johns Hopkins
University, Baltimore, USA, July, 2006
“The Keyhole Concept in Neurosurgery” Lariboisiere
Hopital, Paris, France, September, 2006
“Radical Resection of Low Grade Gliomas: is it worthwhile?”,
“The Keyhole Concept in Neurosurgery” University
of Iowa, Iowa City, USA, October, 2006
“The Keyhole Concept in Neurosurgery” Stiawan
Hospital, Beijing, China, October, 2006
“The Keyhole Concept in Neurosurgery” Viet Duc
Hospital, Hanoi, Vietnam, December, 2006
“Endoscopic Surgery” Oregon Health Services University,
Portland, USA, September, 2007
“The Keyhole Concept in Neurosurgery” Nanjing
University Hospital, Nanjing, China, November, 2007
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