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  1. No Access

    Article

    The diagnostic workup of children with the radiologically isolated syndrome differs by age and by sex

    Cerebrospinal fluid (CSF) and spinal MRIs are often obtained in children with the radiologically isolated syndrome (RIS) for diagnosis and prognosis. Factors affecting the frequency and timing of these tests a...

    Naila Makhani, Christine Lebrun-Frenay, Aksel Siva in Journal of Neurology (2024)

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    Article

    Rebound syndrome in two cases of MS patients after teriflunomide cessation

    Pierre Labauge, Xavier Ayrignac, Pauline Prin, Mahmoud Charif in Acta Neurologica Belgica (2022)

  3. Article

    Neuromyelitis optica spectrum disorder following COVID-19 infection with increase in pre-existing anti-aquaporin-4 antibodies

    Alexandre Jentzer, Clarisse Carra-Dallière, Claire Lozano in Journal of Neurology (2022)

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    Article

    Cerebral Vasoreactivity as an Indirect MRI Marker of White Matter Tracts Alterations in Multiple Sclerosis

    Patients with multiple sclerosis (MS) show a diffuse cerebral perfusion decrease, presumably related to multiple metabolism and vascular alterations. It is assumed that white matter fiber alterations cause a l...

    Jeremy Deverdun, Arthur Coget, Xavier Ayrignac, Clarisse Carra-Dalliere in Brain Topography (2021)

  5. Article

    Open Access

    Serum GFAP in multiple sclerosis: correlation with disease type and MRI markers of disease severity

    Neurofilament light chain (NfL) has been demonstrated to correlate with multiple sclerosis disease severity as well as treatment response. Nevertheless, additional serum biomarkers are still needed to better d...

    Xavier Ayrignac, Emmanuelle Le Bars, Claire Duflos, Christophe Hirtz in Scientific Reports (2020)

  6. Article

    Open Access

    Outcome and risk of recurrence in a large cohort of idiopathic longitudinally extensive transverse myelitis without AQP4/MOG antibodies

    Longitudinally extensive transverse myelitis (LETM) is classically related to aquaporin (AQP4)-antibodies (Ab) neuromyelitis optica spectrum disorders (NMOSD) or more recently to myelin oligodendrocyte glycopr...

    Elisabeth Maillart, Françoise Durand-Dubief, Céline Louapre in Journal of Neuroinflammation (2020)

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    Article

    Pathologic and MRI analysis in acute atypical inflammatory demyelinating lesions

    The diagnosis of atypical inflammatory demyelinating lesions can be difficult. Brain biopsy is often required to exclude neoplasms. Moreover, the relationship between these lesions and multiple sclerosis and N...

    Xavier Ayrignac, Valérie Rigau, Benoit Lhermitte, Thierry Vincent in Journal of Neurology (2019)

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    Article

    Optic neuritis in patients with anti-MOG antibodies spectrum disorder: MRI and clinical features from a large multicentric cohort in France

    Damien Biotti, Fabrice Bonneville, Emilie Tournaire in Journal of Neurology (2017)

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    Article

    Paraplegia related to solitary lesion of the cervicomedullary junction

    Guillaume Taieb, Xavier Ayrignac, Clarisse Carra-Dalliere in Acta Neurologica Belgica (2017)

  10. No Access

    Article

    Posterior fossa involvement in the diagnosis of adult-onset inherited leukoencephalopathies

    Adult-onset genetic leukoencephalopathies are increasingly recognized. They are heterogeneous groups of disorders that commonly have distinct pathologic mechanisms but they share the presence of supratentorial...

    Xavier Ayrignac, Clemence Boutiere, Clarisse Carra-dalliere in Journal of Neurology (2016)

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    Article

    Glatiramer acetate-induced hepatitis in a patient with multiple sclerosis

    A. Flaire, Clarisse Carra-Dalliere, X. Ayrignac, P. Blanc in Acta Neurologica Belgica (2016)

  12. No Access

    Article

    Isolated tumefactive demyelinating lesions: diagnosis and long-term evolution of 16 patients in a multicentric study

    Isolated tumefactive demyelinating lesion (TDL) is a rare disease and a challenging entity especially for the differential diagnosis, biopsy indications, and therapeutic decisions. Long-term evolution is not w...

    A. Siri, Clarisse Carra-Dalliere, X. Ayrignac, J. Pelletier in Journal of Neurology (2015)

  13. No Access

    Article

    Solitary sclerosis: progressive myelopathy from solitary demyelinating lesion. A new entity?

    Xavier Ayrignac, Clarisse Carra-Dalliere, Pascale Homeyer in Acta Neurologica Belgica (2013)

  14. No Access

    Article

    Perfusion-weighted MR imaging in persistent hemiplegic migraine

    Hemiplegic migraine is a rare type of migraine that has an aura characterized by the presence of motor weakness, which may occasionally last up to several days, and then resolve without sequela. Pathogenesis o...

    Isabelle Mourand, Nicolas Menjot de Champfleur, Clarisse Carra-Dallière in Neuroradiology (2012)