Felisa Leguizamon

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BACKGROUND Antibodies against aquaporin-4 (AQP4-ab) have diagnostic and prognostic value. However, little is known to date about their utility in the first event of optic neuritis (ON). OBJECTIVE To evaluate the utility of systematic AQP4-ab determination in a retrospective cohort of patients with a first onset of ON. PATIENTS AND METHODS All patients(More)
INTRODUCTION Paroxysmal painful tonic spasms (PPTS) were initially described in multiple sclerosis (MS) but they are more frequent in neuromyelitis optica (NMO). The objective is to report their presence in a series of cases of NMO and NMO spectrum disorders (NMOSD), as well as to determine their frequency and clinical features. PATIENTS AND METHODS We(More)
INTRODUCTION Longitudinally extensive myelitis (LETM) has classically been grouped with the full or limited neuromyelitis optica spectrum disorders (NMOSD). However, differential diagnosis reveals a wide range of aetiologies. OBJECTIVE To report on differential diagnosis and prognosis for LETM observed in a group of patients in Buenos Aires, Argentina. (More)
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