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Keegan, Mark

https://orcid.org/0000-0001-6706-9705

Mayo Clinic

Mayo Clinic

Citations 31

Occipital Pain as a Symptom of Multiple Sclerosis: Prevalence, Clinical Subtypes, and Association With Upper Cervical Spinal Cord Demyelination (P4-19.007)
Coen, Bianca Albites, Kissoon, Narayan, Chowdhury, Purnashree , Keegan, Mark

Neurology | June 10, 2026 | Volume: 106 | Issue: 11_Supplement_1 | Pages: No page available

10.1212/wnl.0000000000213132 Get It

Radiographic Determinants of Serum Neurofilament Light Chain Elevation in Multiple Sclerosis (P8-19.002)
Schleiss, Katherine, Chouhdry, Hira , Morris, Pearse, Baker, Matthew, Tobin, W., Flanagan, Eoin , Kantarci, Orhun, Keegan, Mark , Soldan, M. Paz, Pittock, Sean, banks, Samantha, Flanagan, Eoin P. , Kantarci, Orhun H. , Soldán, M. Mateo Paz , Pittock, Sean J.

Neurology | June 10, 2026 | Volume: 106 | Issue: 11_Supplement_1 | Pages: No page available

10.1212/wnl.0000000000216614 Get It

Trigeminal Nerve Distribution Pain in MS: A Novel Association With Trigeminocervical Complex Demyelination (P5-19.007)
Coen, Bianca Albites, Keegan, Mark , Chowdhury, Purnashree , Kissoon, Narayan

Neurology | June 10, 2026 | Volume: 106 | Issue: 11_Supplement_1 | Pages: No page available

10.1212/wnl.0000000000213150 Get It

Tumefactive Demyelination at Multiple Sclerosis Onset Associates With Less Severe Long-term Disability (P4-19.006)
Neyal, Nur , Atkinson, E. C., Tarlton, Caitlin, Schwarz, Christopher, Decker, Paul, Kosel, Matthew, Son, Jiye , Keegan, Mark , Kantarci, Kejal, Kantarci, Orhun, Tobin, W., Aboseif, Albert , Atkinson, Elizabeth, Jackson-Tarlton, Caitlin S. , Schwarz, Christopher, Kosel, Matthew , Kantarci, Kejal , Kantarci, O, Zeydan, Burcu

Neurology | June 10, 2026 | Volume: 106 | Issue: 11_Supplement_1 | Pages: No page available

10.1212/wnl.0000000000217162 Get It

Impact of MRI Activity and Medical Comorbidities on Serum Neurofilament Light Chain in Multiple Sclerosis (P3-20.004)
Chouhdry, Hira , Schleiss, Katherine, Baker, Matthew , Morris, Pearse, Tobin, W., Flanagan, Eoin , Kantarci, OH , Keegan, Mark , Soldan, M. Paz, Pittock, Sean, banks, Samantha, Flanagan, Eoin P. , Kantarci, Orhun H. , Soldán, M. Mateo Paz , Pittock, Sean J.

Neurology | June 10, 2026 | Volume: 106 | Issue: 11_Supplement_1 | Pages: No page available

10.1212/wnl.0000000000215939 Get It

Tremor and Disability Outcomes After Deep Brain Stimulation for Multiple Sclerosis-associated Tremor (P12-1.014)
Permezel, Fiona , Jackson, Lauren , Kantarci, Orhun H. , Keegan, Mark , Pittock, Sean J, Miller, Kai J. , Klassen, Bryan T. , Banks, Samantha A. , Baker, Matthew , Flanagan, Eoin P. , Tobin, W. Oliver , Pittock, Sean J.

Neurology | April 7, 2025 | Volume: 104 | Issue: 7_Supplement_1 | Pages: No page available

10.1212/wnl.0000000000210835 Get It

Aquaporin-4 IgG Positive Neuromyelitis Optica Spectrum Disorder: Frequency and Type of Cancer Co-Existence, Antigen Expression and Proof of Paraneoplastic Phenotype (P11-8.018)
Kothapalli, Naga Pradyumna, Wingerchuk, Dean M. , Dubey, Divyanshu , Lassus, Fernando Cuascut, Patel, Hemali , Keegan, Mark , Sánchez, Cristina Valencia, Lucchinetti, Claudia F. , Pittock, Sean J, Guo, Yong , Flanagan, Eoin P. , Dubey, Divyanshu , Tisavipat, Nanthaya , Tobin, W. Oliver , Pittock, Sean J.

Neurology | April 7, 2025 | Volume: 104 | Issue: 7_Supplement_1 | Pages: No page available

10.1212/wnl.0000000000209063 Get It

Evaluation of idiopathic transverse myelitis revealing specific myelopathy diagnoses (P6.417)
Zalewski, Nicholas L. , Keegan, Mark , Flanagan, Eoin P.

Neurology | December 7, 2023 | Volume: 90 | Issue: 15_supplement | Pages: No page available

10.1212/wnl.90.15_supplement.p6.417 Get It

MRI Trident sign trumps Aquaporin-4-IgG ELISA in discriminating Spinal Cord Sarcoidosis misdiagnosed as Neuromyelitis Optica Spectrum Disorder (P6.399)
Jolliffe, Evan, Keegan, Mark , Flanagan, Eoin P.

Neurology | December 7, 2023 | Volume: 90 | Issue: 15_supplement | Pages: No page available

10.1212/wnl.90.15_supplement.p6.399 Get It

Progressive Motor Impairment from a Critically Located Lesion in Highly Restricted CNS Demyelinating Disease (P5.034)
Keegan, Mark , Weinshenker, Brian, Kantarci, Orhun H. , Schmalstieg, William F., Kaufmann, Timothy J. , Soldán, M. Mateo Paz , Flanagan, Eoin P.

Neurology | December 7, 2023 | Volume: 90 | Issue: 15_supplement | Pages: No page available

10.1212/wnl.90.15_supplement.p5.034 Get It