Multiple Sclerosis - Hon Flashcards
Common MS symptoms
Paresthesias, gait disturbance, weakness, visual loss, urinary difficulty, dysarthria, hemiparesis
Transverse myelitis
Inflammation of 1/2 of spinal cord, causing Brown-Sequard-like symptoms
Optic neuritis
Common cause of visual loss in MS
4 types of MS
Relapsing, remitting
Secondary progressive (R,R first)
Primary progressive
Benign
General causes of MS?
Genetics
Sensitization (childhood event or illness) –> later triggering (viral infection, post-partum)
MS on imaging
Ovoid lesions of high signal on T2WI in PERIVENTRICULAR white matter and spinal cord
Enhancing lesion = ?
Recent, new, and/or active
MS on LP (CSF)
Oligoclonal bands or increased IgG synthesis
MS is diagnosed by ____________ (3 criteria)
MULTIPLE LESIONS over SPACE and TIME
Old/classic drugs used to slow the progression of MS
Interferon Beta, Glatirimer acetate
Drugs ending in “-mab” are for what?
Immune diseases (MS) "-MAB" = monoclonal antibody
FIRST treatment for acute exacerbation of MS
Corticosteroids (Solumedrol) followed by Prednisone taper
MS vs. ADEM
ADEM never recurs
Classic presentation of MS on imaging (compared to other DDx)
Multiple, enhancing (new) + non-enhancing (old) lesions
MS vs. Neuromyelitis Optica (Devic’s)
Devic’s = LONG segments of spinal cord, sparing of brain, Aquaphorin Ab’s in blood and CSF