Multiple Sclerosis Flashcards
Types of M.S
Primary progressive MS
Relapsing-remitting MS
Secondary Progressive MS
Rate of Primary progressive MS
5-10%
Rate of Relapsing-remitting MS?
20-30%
Rate of 2ndary progressive MS?
60%
Course of primary progressive MS?
Steady progressive with no remission
Course of relapsing-remitting MS?
relapses and remissions with no serious disability
Course of 2ndary progressive MS?
at first relapsing & remitting, later progressively deteriorating
Onset of MS?
20-40
What is MS?
Multiple demyelination of neurons
where MS affects mostly?
Optic nerve
Cerebellum
Brain stem
Spinal cord
Ocular features of MS?
- Optic neuritis (unilateral visual loss)
-Intranuclear Ophthalmoplegia (Diplopia or/and nystagmus)
-Ocular motor cranial neuropathy (sixth nerve palsy)
what does MS predominantly affects? white or grey matter?
white
F to M frequency of MS?
twice more common in F
What happens to MS as distance increases from the equator?
It inreases.
Monozygote concordance in MS?
25%