Brain Tumors (Notes)

Question 1

Common aim of medications for those with brain tumors

Answer 1

Managing elevated intracranial pressure

Question 2

How are those with brain tumors similar to those with TBIs and stroke?

Answer 2

The rehabilitation approach and outcomes are similar

Question 3

Describe the cells associated with benign tumors

Answer 3

Well-differentiated

Question 4

Describe the cells associated with malignant tumors

Answer 4

Non-differentiated

Question 5

Why are benign tumors still a problem?

Answer 5

Because they cause an increase in ICP

Question 6

Consequences of elevated intracranial pressure

Answer 6

Headaches
Nausea/vomiting
Seizures
Altered mental status

Question 7

“Function” of the tentorium cerebelli

Answer 7

It splits the skull into an anterior and posterior chamber

Question 8

Residents of the anterior chamber of the skull

Answer 8

It contains the cerebral hemispheres

Question 9

Residents of the posterior chamber of the skull

Answer 9

The brain stem and cerebellum

Question 10

Name of tumors located in the anterior chamber of the skull

Answer 10

Supratentorial lesions

Question 11

Name of tumors located in the posterior chamber of the skull

Answer 11

Infratentorial lesions

Question 12

2 things we need to know about primary malignant tumors that we discussed in class

Answer 12

They develop within the brain tissue (parenchyma of the CNS)

They have a grade assigned by the WHO that helps aid in their diagnoses

Question 13

Reason why tumors do not originate from neurons

Answer 13

Neurons have left the mitotic cycle and they do not have the ability to regenerate

Question 14

The difference between grade 2 and grade 3 primary malignant tumors

Answer 14

The rate of cell proliferation, the survival rate, and the prognosis associated between them

Question 15

Commonality between most grade 3 primary malignant tumors

Answer 15

They have the term anaplastic associated with it

Question 16

Define anaplastic

Answer 16

A word used to describe a cell that has lost the morphological characteristics of a mature cell

Question 17

Origin of primary tumors (general)

Answer 17

Brain tissue or within the vertebral column

Question 18

Origin of primary malignant tumors

Answer 18

Parenchyma of the CNS

Question 19

Origin of primary benign tumors

Answer 19

The cranial vault or the vertebral canal

does not develop within the tissue of the brain

Question 20

Another name for primary benign tumors

Answer 20

Extra-axial tumors

Question 21

The most aggressive and most common tumor in older adults

Answer 21

Glioblastoma

Question 22

Why would a tumor originating from the vestibular portion of CN8 cause hearing loss?

Answer 22

Because the vestibular system is so successful at adapting to slow changes that occur in the peripheral system while the auditory system in unable to adapt to the same degree