Neurosurgery - Brain Tumours Flashcards
symptoms of a brain tumour
focal generalised
raised intracranial pressure - headache, papilledema, vomiting
mental disturbances eg drowsiness, coma, personality changes
headache, papilledema, and voimiting is the classic triad of what
a.brain tumours
b.migraine
c.raised intracranial pressure
d.subarachnoid haemorrhage
c.raised intracranial pressure
which of these best describes a headache due to raised intracranial pressure
a. on waking gone within 1-2 hrs, disapears for days- weeks, throbbing and aggravated by coughing/sneezing, relived by aspirin and going to bed
b.on sleeping, lasting days, stabbing pain, relieved by coughing, made worse by resting
a. on waking gone within 1-2 hrs, disapears for days- weeks, throbbing and aggravated by coughing/sneezing, relived by aspirin and going to bed
an occipital headache radiating down the neck can indicate a tumour where
a.temporal lobe
b.occipital lobe
c.frontal lobe
d.brain stem
e.cp angle
e.cp angle
when does vomiting in raised intracranial pressure usually occur
a.at night
b.early morning
b.early morning
accompanying the headache
projectile and without warning no nausea
who is more likely to vomit in raised intracranial pressure states
a.children
b.adults
c.elderly
a.children
patients with which tumour type are more likely to vomit
a. post fossa
b.supraentorial
a. post fossa
supraentorial - ventricles and cerebrum
post fossa- brain stem and cerebellum
visual symptoms of raised ICP
asymptomatic
eventually vision affected and numerous tumours found
enlarged blind spot
intermittent more common than detiriorating
eg few mins amaurosis fugal
attacks precipitated by getting up from sitting or lying ie morning
intracranial tumours are classified based on what
a.cell of origin
b.location
c.size
d.symptoms
a.cell of origin
where do gliomas arise
a.glial cells
b.arachnoid cap cells
c.pituitary cells
d.schwann cells
a.glial cells
where do meningiomas arise
a.glial cells
b.arachnoid cap cells
c.pituitary cells
d.schwann cells
b.arachnoid cap cells
where do pituitary adenomas originate
a.glial cells
b.arachnoid cap cells
c.pituitary cells
d.schwann cells
c.pituitary cells
where do pituitary schwanomas originate
a.glial cells
b.arachnoid cap cells
c.pituitary cells
d.schwann cells
d.schwann cells
which cancers most commonly metastatsise to the brain
a.lung and liver
b.breast and lung
c.lung and pancreas
d.breast and cervical
b.breast and lung
a.benign
the majority of malignant tumours are..
a.gliomas
b.schwanomas
c.pituitary adenomas
d.meningiomas
a.gliomas
what type of tumour is a astrocytoma
a.gliomas
b.schwanomas
c.pituitary adenomas
d.meningiomas
a.gliomas
-astrocytes
what type of tumour is a oligodendroglioma
a.gliomas
b.schwanomas
c.pituitary adenomas
d.meningiomas
a.gliomas
- oligodendrocytes
what type of tumour is a ependymomas
a.gliomas
b.schwanomas
c.pituitary adenomas
d.meningiomas
a.gliomas
- ependymal cells
what grade is a slow growing astrocytoma that is likely to eventually become malignant with a survival of 5-7 yrs
a.1
b.2
c.3
d.4
b.2
which of these describes a glioblastoma
a.grade 2 slow growing and eventual progress to malignant grade
b. grade 3 , higher proliferation rate (more mitotically active)
c.grade 4 characterised by elevated tumour cell proliferation , endothelial proliferation , necrosis
b. grade 3 , higher proliferation rate (more mitotically active)
what is the mean survival for a grade 2 diffusely infiltrating astrocytoma
a.5-7 years
b.2-3 years
c. 12 -18 months
a.5-7 years
what is the mean survival for a grade 4 glioblastoma characterised histologically by elevated tumour cell proliferation , endothelial proliferation and necrosis
a.5-7 years
b.2-3 years
c. 12 -18 months
c. 12 -18 months
what is the more definitive diagnosis method for gliomas
a.histology
b.ct brain
c. mri
d.x ray
a.histology
tumour debulking of focal tumours to relieve mass or pressure effect
what eventually happen in the majority of glioma patients
a.haemorrhage
b.seizures
c.wound infection
b.seizures
surgical treatment in cortical and subcortical low density presenting with seizures and progressive headache is limited to what
a. diagnostic biopsy
b.debulking of tumours
a. diagnostic biopsy
which of these surgical techniques helps to visualise malignant gliomas
a.image guidance with pre op scans
b.real time intra operative imaging
c. tumour fluorescens eg gliolan
d.awake surgery
c. tumour fluorescens eg gliolan
which of these surgical techniques helps to visualise malignant gliomas
a.image guidance with pre op scans
b.real time intra operative imaging
c. tumour fluorescens eg gliolan
d.awake surgery
c. tumour fluorescens eg gliolan