Dr. Elsayyad is on Doximity
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Office
2501 N Orange Ave
Ste 182
Orlando, FL 32804Phone+1 407-303-2030Fax+1 407-303-2042
Education & Training
- University of Miami/Jackson Health SystemResidency, Radiation Oncology, 2004 - 2007
- University of Florida College of Medicine JacksonvilleFellowship, Gastroenterology, 1996 - 1998
- Oregon Health & Science University (OHSU Health)Residency, Internal Medicine, 1994 - 1996
- University of Iowa Hospitals and ClinicsResidency, Radiation Oncology, 1992 - 1993
- Cairo University School of MedicineClass of 1983
Certifications & Licensure
- OR State Medical License 1994 - Present
- CA State Medical License 2008 - 2025
- FL State Medical License 2005 - 2025
- IA State Medical License 1992 - 2025
- MN State Medical License 2021 - 2025
- WI State Medical License 2019 - 2025
- NE State Medical License 1994 - 2022
- American Board of Radiology Radiation Oncology
Awards, Honors, & Recognition
- Teacher of the Year American Resudents in Radiation Oncology, 2016
- Top Doctors Castle Connolley, 2016
- Top Board Certified Doctors Jacksonville Magazine, 2016
- Join now to see all
Clinical Trials
- Cetuximab + Taxotere With Low Dose Fractionated Radiation for Head and Neck Carcinoma Start of enrollment: 2013 Jun 03
- Metabolic Tumor Volumes in Radiation Treatment of Primary Brain Tumors Start of enrollment: 2011 Jun 08
Publications & Presentations
PubMed
- 1 citationsSingle Fraction and Hypofractionated Radiation Cause Cochlear Damage, Hearing Loss, and Reduced Viability of Merlin-Deficient Schwann Cells.Christine T Dinh, Si Chen, Aida Nourbakhsh, Kyle Padgett, Perry Johnson
Cancers. 2023-05-18 - 2 citationsMerlin-Deficient Schwann Cells Are More Susceptible to Radiation Injury than Normal Schwann Cells In Vitro.Erin Cohen, Stefanie Pena, Christine Mei, Olena Bracho, Brian Marples
Journal of Neurological Surgery. Part B, Skull Base. 2022-06-01 - 2 citationsOpioid use patterns in patients with head and neck cancer receiving radiation therapy: A single-institution retrospective analysis characterizing patients who did not ...Benjamin J. Rich, Leif Erik D. Schumacher, Zoukaa Sargi, Melissa Masforroll, Deukwoo Kwon
Head & Neck. 2021-06-18
Press Mentions
- Fat People Get More Radiation from X-rays, Study ShowsApril 7th, 2012
- Msnbc Live at 6 p.m. ET, Wednesday, March 16thMarch 17th, 2011
- 'Hardball with Chris Matthews' for Tuesday, March 15th, 2011March 16th, 2011
Professional Memberships
- Member
- Member
- NORTH AMERICAN SKULL BASE SOCIETYMember
- AMERICAN RADIUM SOCIETYMember
Other Languages
- French, Spanish
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