MS Flashcards
What is MS?
- The most common primary demyelinating disease (primary – idiopathic, presumably autoimmune) of CNS
- Lesions in the white matter
- Central: oligodendrocytes
Where do demyelinating lesions of MS occur?
- anywhere in the brain and spinal cord
- constellation of SxS of almost unlimited variety
Optic Nerve
- optic neuritis (pain)
- progressive loss of visual acuity (painless)
Brainstem
- Diplopia (III, IV, VI)
- Trigeminal neuralgia (V)
- Hemifacial spasm (VII)
- Vertigo, vomiting, nystagmus (VIII)
Cerebellum and spinocerebellar path
- Dysarthria, ataxia, abnormal stance and gait
Spinal Cord
- UMN weakness, spasticity, clonus, Babinski, sensory loss (dorsal columns and anterior lateral system), bowel and bladder dysfunction
Cerebral Cortex
- intellectual impairment, memory loss, emotional changes, depression
Temporal patterns of MS
- Relapsing/remitting (most common)
- Primary progressive
- Progressive-relapsing
Relapsing/remitting MS
- Most frequent exacerbations followed by less complete recovery than in benign form
- Stable: long periods of quiescence
- Secondary Progressive: fewer remissions with disease progression (more cumulative
disability)
Primary progressive MS
- Insidious relatively late onset and steady progression of symptoms and disability.
- More lesions in SC than brain. Different inflammatory cells.
Progressive- relapsing
often diagnosed as primary first, until a relapse occurs
5 major clinical subtypes of MS
- relapsing remitting
- primary progressive
- secondary progressive
- progressive relapsing
- clinically isolated syndrome
Relapsing remitting MS characteristics
characterized by specific attack
of deficits (relapse stage) with either full or partial recovery
(remitting stage); periods between relapses characterized by lack of disease progression
Primary Progressive MS characteristics
characterized by disease
progression and a deterioration of function from onset; may have slight fluctuations but specific attacks do not occur
Secondary progressive MS characteristics
characterized by an initial
relapsing remitting stage followed by a change to a
progressive course with steady decline in function and
impairments increase with or without specific attacks