Chapter 35 Primary Intracranial Neoplasm Flashcards Preview

Perez and Brady's Principles and Practice of Radiation Oncology 6th Edition > Chapter 35 Primary Intracranial Neoplasm > Flashcards

Flashcards in Chapter 35 Primary Intracranial Neoplasm Deck (18):
1

Frontal and parietal lobes are separated by?

Central sulcus

2

Frontal and temporal lobes are separated by?

Sylvian fissure

3

Parietal and occipital lobes are separated by?

Calcarian sulcus

4

What constitute Diencephalon

Thalamus and pineal region

5

What is the function of internal capsule?

It carries motor fibers(UMN) from cortex to brainstem and spinal cord

6

What cranial nerve nuclei are located in mesencephalon/midbrain?

CN III, IV, proprioceptive division of V

7

Superior and inferior colliculi in midbrain regulate?

Superior colliculi regulate eye movement
Inferior colliculi regulate hearing impulse

8

Which is the only cranial nerve exit dorsally from midbrain?

CN IV Trochlear

9

Which cranial nerve nuclei are located in Pons?

Motor and tactile sensory nuclei for trigeminal nerve

10

Which cranial nerve emerge from lateral surface of pons?

CN V

11

What cranial nerves emerge between pons and medulla?

CN VI, VII, VIII

12

What cranial nerve nuclei are located in medulla?

CN VI, VII, VIII, IX, X, XI, XII

13

Describe CSF pathways

Lateral ventricle -> Foramina of Munro -> Third ventricle -> Aqueduct of Sylvius -> Fourth Ventricle -> Midline Foramen of Magendie and two Lateral Foramina of Luschka -> Subarachnoid space

14

CSF resorption occurs at?

Arachnoid granulation or Pacconian granulations

15

What percentage incidence of primary brain tumor in children associated with prophylactic cranial irradiation for acute leukemia?

2.3%

16

What are the causes associated with development of CNS tumors?

Occupational Farmer, petro-chemical worker
Environmental
Ionizing radiation
Hereditary
Cellular phones!!!

17

Arrange brain tumors that cause edema in descending order

Metastasis>Astrocytoma>Meningioma>Oligodendroglioma

18

Leptomeninges consists of which layers of meningeal layers?

Arachnoidmater