Miscellaneous + Polito brain tumor stuff at the end - aa Flashcards
What lobe?
personality
premotor planning
motor function
frontal lobe
What lobe?
auditory reception
speech
language comprehension
memory
temporal lobe
What lobe?
sensory processing of pain and touch
WebRep
currentVote
noRating
noWeight
parietal lobe
WebRep
currentVote
noRating
noWeight
What lobe?
visual perception system
occipital lobe
What lobe?
coordination of voluntary movement
cerebellum
What spinal nerve?
bicep DTR
C5
What spinal nerve?
brachioradialis DTR
C6
What spinal nerve?
triceps DTR
C7
What spinal nerve?
patellar DTR
L4
What spinal nerve?
achilles DTR
S1
What is this?
WebRep
currentVote
noRating
noWeight
Decorticate posturing
(sniffing a CORk? - holding it up to your face with bent arms)
WebRep
currentVote
noRating
noWeight
What is this?
Decerebrate posturing
(has a “B” in it…B for Butt, which you are scratching with your straightened out arm)
Which is considered more serious, decorticate or decerebrate posturing?
Decorticate is serious.
Decerebrate is seriouser.
Decorticate is upper midbrain lesions, while decerebrate is lower midbrain/pons.
Your patient is complaining of headache that is worse when he strains and double vision.
Upon exam you find papilledema and abducens palsy.
What do you suspect?
What tests will you run?
How will you treat?
Pseudotumor cerebri
LP to confirm intracranial HTN - CT/MRI will be normal.
Acetazolamide will reduce formation of CSF; repeated LP will lower pressure.
What is the most common primary brain tumor?
meningioma
What is the most common malignant primary brain tumor?
glioblastoma
What is the most common brain tumor overall?
metastatic
What is the 5-year survival rate for all malignant brain tumors?
What is the 5-year survival rate for glioblastoma?
What is the 5-year survival rate for malignant brain tumors in patients age 0-19 years?
all: 33%
glio: 3%
kids: 73%
Acoustic neuromas arise from Schwann cells.
T/F
True.
“ring of tissue around a necrotic core”
What kind of brain lesion is this describing?
What age gets this?
glioblastoma
> 60 yo
Untreated glioblastomas double in size in 28 days.
T/F
FALSE.
They double in size in 14 days!
Projectile vomiting = ____ until proven otherwise.
increased intracranial pressure
Meningiomas have a strong female predominance.
T/F
TRUE
Bilateral vestibular schwannomas = _________ until proven otherwise.
neurofibromatosis 2
