CNS

CNS tumors include tumors of the ___ & ___.

Only ___% of CNs tumors metastasize

CNS tumors are responsible for ___% of annual cancer deaths.

___% of CNs tumors involve the brain

___% of CNS tumors involve the spinal cord

CNS tumors is the ___ leading cause of death in children behind leukemia

What are the 2  age groups CNS tumors affect?

Are primary brain tumors common or uncommon?

Brain metastasis is the most common brain lesion, mainly steming from the ___.

Most spinal axis tumors are ___-____

Most primary spinal axis tumors are ___-dural?

                           Note:
The Etiology of CNS tumors is largely unknown. However, associations are made between:
   occupational and enviromental exposures
      (chemicals, rubber, pesticides, radiation)
   Lifestyle & diet
      (nitrates, smoking, hairdyes)
    Medical conditions
       (Aids, viral infections)
    Genetic factors
        (von Recklinghausens disease)

What are 3 important prognostic factors?

Cranial pressure, personality changes, seizures, motor dysfunction, speech impairment, urinary incontinence, CN VI palsy are symptoms associated with a tumor located in the ___ area of the brain?

The following are indications of a tumor located in the ____ section of the brain:
increased cranial pressure, vision loss, seizures, weakness, memory loss, loss of touch 

the following sysmtoms is an indication of a tumor located in the ___ section of the brain :
speech disorders
seizures
loss of smell
weakness in CNV1
defective hearing
memory

THe following symptoms indicated a tumor in the ____ section of the brain
seizures
loss of vision
tingling
weakness
hallucinations

These symptoms are clinical presentations of a tumor located in the _________.
Headaches
Seizures
Difficulty with balance,
gait & ambulation,
decreased vision
mental & personality changes
short term memory loss
hallucinations
nausea & vomitting

Are headaches with a brain tumor worse in the am or pm?

These symptoms are clinical presentations of tumors in the ________
Pain - weakness - loss of sensation - bowel & bladder control problems - deterioration of motor and sensory function - decreased temperature - paralysis - impotence

What are some of the detection & diagnosis procedures of CNS tumors?

Histopathology is more important than ____

Primary tumors are treated _____ fields; which is 2-3cm margin to begin the shrinking for boost

____ helps spare normal brain tissues, optic chiasm, orbits and lens

____ form 50% of all CNS tumors

____ arise from neuroglial cells (astroctyes)

____ are the most common in adults ages 40 to 60

____ occur mostly in the cerebrum

_____ of the brainstem and cerebellum are more common in children.

____% of spinal cord tumors are gliomas

_____ are almost exculsively found in the cerebellum of children

What are  5 tumors of the supporting structures of the CNS?

_____ arise from the pia or arachnoid layers.
age is 50 or greater
most are benign
GTR
RT is post op or if tumor is not resectable

what is the dose for menigioma

What type of tumor arises from Schwann cells of the nerve sheath of the 8th cranial nerve.
It's benign,
May affect adjacent facial or trigiminal nerves.
Symptoms include: hearing loss, tinnitus, and unsteadiness

____ closely resemble pituitary tumors

_____ are benign and usally occur before the age of 20

_____ found at caudal or crainal ends of spinal cord

Metastatic brain lesion is ___ times more common than primary brain tumors

                            NOTE:
For mets brain tumors whole brain RT is the treatment of choice.
Dose is 30-50 Gy and is mainly pallative.

Between what layers is the CSF fluid?

What allows the right & left sides of hte brain to communicate?

What is the most common CNS tumor?

What is most common primary CNS tumor?

What is the most common clincial brain presentation?

Which treatment givees us the opportunity to save as much normal tissue as possible?

The way a proton delivers its energy is called a

What dooes GTR stannd for?

What does GBM stand for?

What type of brain tumor can metastatsis outside the skull?

What does IAC stand for?

What does SRS stand for?

What does CTV stand for?

What does ICRU stand for?

What does GTV stand for?

What does PTV stand for?

What does TV stand for?

What does OAR stand for?

What 2 parts can the nervous system be broken into?

What part of the nervous system contains the brain & spinal cord

What part of the nervous system is outside of the skull & vertebral column & incluudes cranial nerves, spinal nerves & autonmic nervous system

What is the largest & most complex part of the nervous system?

What are the 3 portions of the brain

What does the cerebrum contain?

What regulates heart rate and arterial blood pressure, body temp, water & electrolyte balance, controls hunger & regulation of bod weight, regulates sleep & wakefullness

Structures in the general area of the diencephelon also play important roles in the

The ___ functions as a control center for vital activities such as cardiac rate, vasomotor effects (raises and lowers blood pressure) and respiratory function

_____ function to carry impulses toward the nueron cell body

_____ function is to carry impulses away from the neuron cell body