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Olga Rosenvald Thon

Olga Rosenvald Thon, MD

Assistant Professor; Director, Multiple Sclerosis and Neuroimmunology

Department: Neurology

Specialties: Neurology


  • MD - Universidade Federal do Rio de Janeiro, School of Medicine, Rio de Janeiro, Brazil (2010)

Memberships / Professional Affiliations

  • American Academy of Neurology

Other Languages Spoken


Olga Rosenvald Thon, MD, is a board-certified neurologist practicing in Philadelphia. She is fellowship trained in neuro-ophthalmology, neuroimmunology and multiple sclerosis.

Clinical Services

Multiple sclerosis, Optic neuritis, Neuromyelitis optica, Pseudotumor cerebri, Immunological disorders affecting the nervous systems


  • Neuro-ophthalmology - Harvard/Massachusetts Eye and Ear Infirmary (2016)
  • Neuroimmunology and Multiple Sclerosis/Anne B. Young Fellowship in Drug Development - Massachusetts General Hospital/Biogen (2018)


  • Neurology - Brigham and Women’s Hospital/Massachusetts General Hospital (2015)


  • Internal Medicine - Brigham and Women’s Hospital (2012)

Olga Rosenvald Thon, MD, is an assistant professor of neurology at Drexel University College of Medicine.

Research Overview

Dr. Thon was the Anne B. Young Fellow at Massachusetts General Hospital and Biogen, where she investigated novel imaging techniques to help in the development of therapies to reverse multiple sclerosis symptoms.

Research Interests

Multiple sclerosis and neuroimmunology


"Medication-Related Pseudotumor Cerebri Syndrome"
Thon OR and Gittinger Jr. JW
Semin Ophthalmol.; 32(1):134-143, 2017

"Computed Tomography Diagnosis of Terson Syndrome"
Rosenvald OR and Prasad S
Neurohospitalist.; 7(2):100-101, April 2017

"Pupillary Sign of Aberrant Regeneration of the Third Nerve"
Rosenvald OR and Lessell S
Neurology.;86(18):1746, May 3, 2016

"Leptomeningeal Metastasis from Non-small Cell Lung Cancer: Survival and the Impact of Whole Brain Radiotherapy"
Morris PG, Reiner AS, Rosenvald Szenberg OR, Clarke JL, Panageas KS, Perez HR, Kris MG, Chan TA, Deangelis LM, Omuro AM
J Thorac Oncol.; 7(2):382-5, Feb 2012


"The Clinical Overlap of Long-Standing Optic Neuropathy and Retinal Arterial Occlusion – the Value of Optic Coherence Tomography to Establish Anatomical Diagnosis and to Guide Management"
Olga R. Rosenvald, Joseph F. Rizzo III
Poster presentation, North American Neuro-Ophthalmology Society Meeting, 2016

"Head Tilt Observation Study"
Olga R. Rosenvald, Dean M. Cestari, Joseph F. Rizzo III
Poster presentation, North American Neuro-Ophthalmology Society Meeting, 2016

"Ipilimumab-related Orbital Inflammation and Hypophysitis in Patients with Melanoma"
Olga Rosenvald, MD; Joseph Rizzo, MD; Sashank Prasad, MD
Poster presentation, North American Neuro-Ophthalmology Society Meeting, 2014

"Computed Tomography Documentation of Terson Syndrome"
Olga Rosenvald, MD; Sashank Prasad, MD
North American Neuro-Ophthalmology Society Meeting, 2014 – Poster presentation

"Balance Disorders in Migraine"
Goes CPQF, Fontana AP, Vargas C, Rosenvald OR, Freitas ME, Vincent M
Poster presentation: XXIII Brazilian Congress of Neurology, Belém, Pará, Brazil, August 16-21, 2008
Edgard Raffaeli Junior Award: XXI Brazilian Congress of Headache, Florianópolis, Brazil, 2007

Contact Information

Academic Office

Department of Neurology
245 N. 15th Street
8th Floor
Philadelphia, PA 19102
Phone: 215.762.7090