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147 citation(s) found for "Keegan, Mark".

Nulliparity is associated with earlier evolution of progressive multiple sclerosis in women (4887)
Atkinson, Elizabeth J. , Rocca, Liliana Gazzuola , Rocca, Walter A. , Keegan, Mark , Kantarci, Kejal , Kantarci, Orhun H. , Kantarci, Kejal , Zeydan, Burcu , Smith, Carin Y. , Weinshenker, Brian G.

Mayo Clinic

Neurology | December 7, 2023 | Volume: 94 | Issue: 15_supplement | Pages: No page available

10.1212/wnl.94.15_supplement.4887 Get It

Onset of Progressive Motor Impairment in Patients with Critical CNS Demyelinating Lesions (4405)
Kassa, Roman, Kantarci, Orhun H. , Mandrekar, Jay , Schmalstieg, William F., Sechi, Elia , Flanagan, Eoin P. , Kaufmann, Timothy J. , Weinshenker, Brian G. , Soldán, M. Mateo Paz , Keegan, B. Mark

Mayo Clinic

Neurology | December 7, 2023 | Volume: 94 | Issue: 15_supplement | Pages: No page available

10.1212/wnl.94.15_supplement.4405 Get It

Radiologically Isolated Syndrome (RIS): 5-Year Risk for an Initial Clinical Event from a Multinational Cohort (PL01.002)
Kantarci, Orhun H. , Katz, I F, Keegan, Mark, Pelletier, Daniel , Okuda, Darin T. , Sıva, Aksel , Inglese, Matilde , Katz, Ilana, Tütüncü, Melih , Keegan, Mark, Amato, Maria Pia , Stefano, Nicola De , Sormani, Maria Pia , Lebrun‐Frénay, Christine

Mayo Clinic

Neurology | December 7, 2023 | Volume: 80 | Issue: 7_supplement | Pages: No page available

10.1212/wnl.80.7_supplement.pl01.002 Get It

Familial Dementia, Parkinsonism, Seizures and Spastic Paraparesis Associated with the Novel Y288H Presenilin-1 Mutation (PD5.008)
Wicklund, Meredith, Kantarci, Orhun H. , Keegan, Mark , Kuntz, Karen M. , Younkin, Steven G., Younkin, Linda H., Taner, Nilüfer, Rademakers, Rosa , Petersen, Ronald C. , Kelley, Brendan , Boeve, Bradley F. , Jack, Clifford R. , Baker, Matthew , Knopman, David S.

Mayo Clinic

Neurology | December 7, 2023 | Volume: 80 | Issue: 7_supplement | Pages: No page available

10.1212/wnl.80.7_supplement.pd5.008 Get It

18 Fluorodeoxyglucose Positron Emission Tomography Spinal Cord Hypermetabolism Discriminates Neoplastic from Inflammatory Myelopathy (P06.142)
Lowe, Val J. , Mandrekar, Jayawant, Keegan, Mark , Flanagan, Eoin P. , Hunt, Christopher H. , Pittock, Sean J. , O'Neill, Brian

Mayo Clinic

Neurology | December 7, 2023 | Volume: 80 | Issue: 7_supplement | Pages: No page available

10.1212/wnl.80.7_supplement.p06.142 Get It

Predicting Tempo of Post-Progression Disability Accumulation in Multiple Sclerosis (P02.147)
Soldan, M. Paz, Tang, Junger, Zeid, Nuhad Abou, Kale, Nilüfer , Crusan, Daniel J. , Atkinson, Elizabeth J. , Pirko, Istvan, Keegan, Mark , Lucchinetti, Claudia F. , Noseworthy, John H., Kantarci, Orhun H. , Tütüncü, Melih , Sıva, Aksel , Pittock, Sean J. , Rodriguez, Moses , Weinshenker, Brian G.

Mayo Clinic

Neurology | December 7, 2023 | Volume: 80 | Issue: 7_supplement | Pages: No page available

10.1212/wnl.80.7_supplement.p02.147 Get It

Prospective Evaluation of Maintenance Plasma Exchange (mPLEX) for Attack Prevention in Neuromyelitis Optica Spectrum Disorder: Preliminary Feasibility, Safety, and Efficacy Data (P5.265)
Wingerchuk, Dean M. , Weinshenker, Brian, Lennon, Vanda A. , Lucchinetti, Claudia F. , Keegan, Mark , Carter, Jonathan, Pittock, Sean J. , McKeon, Andrew

Mayo Clinic

Neurology | December 6, 2023 | Volume: 84 | Issue: 14_supplement | Pages: No page available

10.1212/wnl.84.14_supplement.p5.265 Get It

Are individuals with Radiologically Isolated Syndrome have a different clinical outcome once they convert to Clinically Isolated Syndrome? (P5.193)
Kantarci, Orhun H. , Acar, Pınar , Kurne, Aslı, Keegan, Mark , Saipoglu, Sabahattin, Karabudak, Rana , Pelletier, Daniel , Sıva, Aksel , Tütüncü, Melih , Uygunoğlu, Uğur , Acar, Pinar, Altıntaş, Ayşe , Okuda, Darin T. , Lebrun‐Frénay, Christine

Mayo Clinic

Neurology | December 6, 2023 | Volume: 84 | Issue: 14_supplement | Pages: No page available

10.1212/wnl.84.14_supplement.p5.193 Get It

Conjunctival Biopsy to Diagnose Neurosarcoidosis in Patients with Inflammatory Nervous System Disease of Unknown Etiology (P1.339)
Pichler, Michael, Aksamit, Allen J. , Leavitt, Jacqueline A., Salomão, Diva R. , Keegan, Mark , Flanagan, Eoin P.

Mayo Clinic

Neurology | December 6, 2023 | Volume: 84 | Issue: 14_supplement | Pages: No page available

10.1212/wnl.84.14_supplement.p1.339 Get It

Coexistence of multiple sclerosis and spinocerebellar ataxia type-8
Neyal, Nur , Keegan, B. Mark , Kantarci, Orhun H. , Zeydan, Burcu , Keegan, B Mark , Zeydan, Burcu

Mayo Clinic

Multiple Sclerosis Journal | July 4, 2023 | Volume: 29 | Issue: 9 | Pages: 1195-1198

10.1177/13524585231180549 | PMID 37401111 Get It

Cerebellar dysfunction is likely to cause severe and treatment-resistant disability in multiple sclerosis (MS). Certain spinocerebellar ataxia (SCA)-related alleles can increase MS susceptibility, and channel polymorphisms can impact disability measures. Following an index patient with the coexistence of MS and SCA Type-8 (SCA8) in the MS clinic, an institutional engine search for MS and hereditary ataxia coexistence was conducted but did not reveal any other cases. This extremely rare coexistence of MS and SCA8 in our index patient may be incidental; however, a yet-to-be-identified contribution of coexistent hereditary ataxia(s) to the susceptibility of a prominent progressive ataxia MS phenotype cannot be ruled out.