• Programa combinado acelerado Escuela de Medicina University of Utah, Programa de Honor en Cirugia.

• Internado: University of Miami, Jackson Memorial Hospital

• Postgrado: Escuela de Medicina, Neurocirugia, Yale University

• Residencia: Neurocirugia, Escuela de Medicina, Irvine, University of California

• Hospitales: Cedars-Sinai Medical Center, Neurocirujano desde 1983 (al Dr. Ditsworth se lo ha encomendado por "anos de servicio en el Hospital Cedars-Sinai".)

• Medico Director, Programa de cuidado de la Columna, Los Angeles Metropolitan Medical Center, 1997-1998.

• Jefe de Neurocirugia, Beverly Hills Medical Center, 1984-1991.

• Jefe de Neurocirugia, Westside Hospital, 1991-1994.

• Jefe de Neurocirugia y Director del Instituto de la Espalda, Washington Medical Center, 1994-1997.

• Jefe de Neurocirugia, Hawthorne Hospital, 1996.

• Miembro y Orador, Sesion conjunta sobre los desordenes de la columna (Congreso de cirugia neurological y Asociacion Americana de Cirujanos Neurologicos)

• Miembro, Docente y Orador de la Sociedad Internacional de Terapia Intradiscal.

• Miembro y Orador del Congreso de Cirujanos Neurologicos.

• Orador Asociacion Americana de Cirujanos Neurologicos.

• Orador de la Sociedad Norteamericana de la Columna.

• Miembro y Orador, Colegio Internacional de Cirujanos.

CERTIFICATION :

• Board Certified in Neurosurgery, 1983

• Diplomate, American Board of Neurosurgery

• Certification in Percutaneous Discectomy, 1988

• Certification in Laser Percutaneous Discectomy 1991

• Certification in Endoscopic Laser Percutaneous Discectomy 1991

PUBLICATIONS AND PRESENTATIONS : (All articles have been peer reviewed. Abstracts were reviewed by the indicated organization and accepted for publication.) (How to evaluate information!)

• "Contrast Disc Analysis and Mapping as a Prelude to Endoscopic Lumbar Discectomy." The 14th Annual International Intradiscal Therapy Society Meeting. Phoenix, Arizona. May23-27, 2001.

• IDET and PED: Benefits of Combination Treatment (Joint Section meeting Feb. 2000).

• American Association of Neurological Surgeons and Congress of Neurological Surgeons abstract compilation. aans and cns abstract search

• "Endoscopic Transforaminal Lumbar Discectomy and Reconfiguration: A Postero-lateral Approach Into The Spinal Canal" Surgical Neurology. Volume 49, Number 6. pp.588-598 June 1998.

• "The Development of Percutaneous Lumbar Endoscopic Microdiscectomy (This Author's Twelve Year Experience)" The Eleventh Annual International Intradiscal Therapy Society Meeting. San Antonio, Texas. May 1998

• "Endoscopic Transforaminal Percutaneous Discectomy for Recurrent Lumbar Disc Herniation," The Tenth Annual International Intradiscal Therapy Society Meeting. Naples, Florida. May 28-31, 1997.

• "True Transforaminal Endoscopic Percutaneous Lumbar Discectomy," The Tenth Annual International Intradiscal Therapy Society Meeting. Naples, Florida. May 28-31, 1997.

• "Endoscopic Discectomy," Faculty, International Intradiscal Therapy Society Meeting. Amsterdam, the Netherlands. May 9, 1996.

• "Endoscopic Spinal Surgery," Invited Faculty (taught seminar), The American Association of Neurological Surgeons. Minneapolis, Minnesota. April 30, 1996. Commended for presenting "the surgery of the future".

• "Endoscopic Transforaminal Disc Removal and Reconfiguration," The 12th Annual Meeting of the Joint Section of Congress of Neurological Surgeons and American Association of Neurological Surgeons on Disorders of the Spine and Peripheral Nerves. Lake Buena Vista, Florida. February 28 - March 2, 1996.

• "Endoscopic Transforaminal Disc Removal and Reconfiguration," Selected by Joint Section of American Association of Neurological Surgeons and Congress of Neurological Surgeons as best paper for publication.

• "Percutaneous Transforaminal Endoscopic Discectomy," North American Spine Society. Washington, D.C. October 18-21, 1995.

• "A New Superior Technique for Removal of Herniated Lumbar Discs," The Canadian Journal of Neurological Science. Volume 22, Number 2. May 1995.

• "A Safer, Effective Alternative to Laminectomy," Presentation at International College of Surgeons. San Diego, California. April 1, 1995

• "Comprehensive Percutaneous Endoscopic Spinal Surgery," Presentation, The American Association of Neurological Surgeons. Orlando, Florida. April, 1995.

• "2.8 mm Endoscopic Comprehensive Percutaneous Lumbar Disc Surgery," Presentation at International Intradiscal Therapy Society. La Jolla, California. March, 1995. Taught Discectomy Workshop - Faculty - UCSD OrthoMed Facility.

• "A New and Superior Technique for Removal of Herniated Disc: Endoscope and Nucleotome Combination," Presentation to the Joint Section of The American Association of Neurological Surgeons and The Congress of Neurosurgeons. Phoenix, Arizona. February, 1995.

• "A New Technique for Intra and Extra Discal Percutaneous Endoscopic Lumbar Surgery," Presentation, Annual Symposium and Call for Papers: Techniques in Spinal Surgery. New York City, New York. December, 1994.

• "Percutaneous Discectomy in the Older Patient (Improved Results with Nucleotome/Laser Enhancement)," Presentation, Seventh Annual Intradiscal Therapy Society Meeting. Aberdeen, Scotland. May, 1994.

• "New Comprehensive Percutaneous Discectomy Using a Working Channel Scope and Nucleotome," Presentation, Seventh Annual Intradiscal Therapy Society Meeting. Aberdeen, Scotland. May, 1994.

• "Percutaneous Discectomy Over Age Sixty (Nucleotome With Laser Enhancement)" Presentation, Joint Section on Disorders of the Spine and Peripheral Nerves (A Joint Section of the American Association of Neurological Surgeons and the Congress of Neurological Surgeons). Tenth Annual Meeting. Ft. Lauderdale, Florida. February, 1994.

• "Percutaneous Discectomy in the Older Patient," Presentation, Second Annual Symposium, Techniques in Spinal Surgery. New York, New York. December, 1993.

• "Percutaneous Discectomy- Lasers and Fiberoptics," Continuing Medical Education Lecture, National Scientific Conference, (Westside Hospital). Hawaii. July, 1993.

• "Percutaneous Discectomy- Recent Advances," Continuing Medical Education Lecture, National Scientific Conference, (Westside Hospital). Hawaii. July, 1992.

• Back Pain and Alternatives to Back Surgery: Percutaneous Discectomy, Lecture Series, Beverly Hills Medical Center, 1989.

• Back Pain and Alternatives to Back Surgery: Percutaneous Discectomy, Lecture Series, Beverly Hills Medical Center, December 1988.

• Arachnoiditis, Presentation, Congress of Neurological Surgeons' Annual Meeting, October 1980, Houston, Texas.

• Benign Brain Tumor, National Critical Care Inst. Journal, Vol 5, Number 11, Nov. 1978.

• Subdural Hematoma, Chronic, National Critical Care Institute Journal, Volume 5, Number 9, September 1978.