Brain Tumors

Question 1

Any supratentorial tumor has 2 key manifestations, what are they,

Answer 1

Increased ICP signs and foval neurological defects

Question 2

Focal neurological defects differ depending on what?

Answer 2

The site of the tumor

Question 3

Neurological defects of a Frontal tumor?

Answer 3

Expressive dysphasia, dementia, personality changes, urinary incontinence

Question 4

Neurological defects of a Temporal tumor?

Answer 4

Receptive dysphasia, auditory problems,

Question 5

Neurological defects of a Parietal tumor?

Answer 5

Gerstmann’s syndrome, contralateral sensory impairment

Question 6

What is Gerstmann’s syndrome?

Answer 6

Left-right confusion, unable to write, inability to count fingers, inability to do math

Question 7

Pituitary adenoma arise from where and are they cancerous

Answer 7

Anterior pituitary gland, and are benign

Question 8

Pituitary tumors have 2 hallmark effects what are they

Answer 8

Endocrinal disturbance, and the effect of the mass

Question 9

Mass effect if Superior

Answer 9

Optic chiasm, hypopituitarism, and hypothalamus

Question 10

Mass effect if Lateral?

Answer 10

Temporal lobe dysfunction, and CN affection from 3 through 6

Question 11

What is temporal lobe dysfunction

Answer 11

Memory impairment, hallucinations

Question 12

Mass effect if inferior

Answer 12

Nasopharyngeal mass and CSF rhinorrhea

Question 13

Pituitary adenoma are split into 2 types what are they

Answer 13

Secreting and non secreting

Question 14

What are Secreting Adenomas?

Answer 14

Those that present with endocrinological manifestations, usually hyper- due to it being secreting

Question 15

What are non-secreting adenomas?

Answer 15

Those that present with a mass effect, usually result in hypopituitarism

Question 16

What causes the increased ICP, in infratentorial brain tumors?

Answer 16

Obstruction of the 4th ventricle

Question 17

What is the Focal neurological defect in Infratentorial brain tumors?

Answer 17

Cerebellar dysfunction, hence limb ataxia, bad gait, truncal ataxia, tremors. Neck stiffness and head tilt

Question 18

Medical treatment of pituitary tumors?

Answer 18

Bromocriptine for prolactinomas

Question 19

Treatment if medical treatment fails for pituitary

Answer 19

Surgery

Question 20

Investigation for a suspected brain tumor of choice

Answer 20

MRI brain.

Question 21

What is the most common benign brain tumor of which it is a cyst with yellow fluid

Answer 21

Astrocytoma

Question 22

What is the tumor that occurs in middle age, presents as epilepsy, and could calcify

Answer 22

Oligodendroglioma

Question 23

What is the brain of tumor of childhood

Answer 23

Ependymoma

Question 24

What tumor occurs between 40-60 years, and extends through the corpus callosum?

Answer 24

Glioblastoma

Question 25

Metastatic tumors affect what after metastasizing

Answer 25

The bronchus first, then the breast and GIT

Question 26

Schwanommas are most common on which nerves?

Answer 26

5th and 8th