Clinical Cases Flashcards
What are the defining characteristics of a CNS mass?
focal and progressive
What is a CNS non-mass
focal and nonprogressive
or
diffuse and progressive
What is an indeterminate CNS lesion?
transient
Vascular lesions temporal profile
acute (<24 hr. to reach maximum)
Inflammatory lesions temporal profile
subacute (1 day-1 month to reach maximum)
Neoplastic lesions temporal profile
chronic (>1 mo.) and focal
Degenerative lesions temporal profile
chronic (>1 mo.) and diffuse
What are intersegmental findings?
involvement of major descending motor and ascending sensory pathways
What are segmental findings?
involve specific components of the CNS or periphery and have more localizing value
Lesion localized to posterior fossa has what type of manifestation?
ipsilateral CN deficit
contralateral body deficit
Spinal cord lesions manifest as
bilateral (not necessarily equal) deficits