** TEST FORM **
A primary progressive MS disease course is characterized by which of the following features?
Absence of clinical relapses for at least 1 year, regardless of disability status
Progression of disability for at least 1 year, independent of relapses
At least 2 relapses and an increase in Expanded Disability Status Scale (EDSS) score of at least 1 point in the previous year
At least 2 active MRI lesions and an increase in EDSS score of at least 1 point in the previous year
According to the latest criteria (2017), what role do CSF-specific oligoclonal bands play in establishing a diagnosis of relapsing MS in a patient who presents with a first clinical demyelinating event?
Their presence confirms the diagnosis of MS, without the need for MRI
They can be used to satisfy the criterion for dissemination in space
They can be used to satisfy the criterion for dissemination in time
They no longer have a role in diagnosis of MS