OME - Surg: SAH/Tumor

Question 1

Can you diagnose cancer without tissue?

Answer 1

No

Question 2

Percent brain tumors that are mets?

Answer 2

70%

Question 3

Most common mets?

Answer 3

1. Lung
2. Breast
3. GI
4. Melanoma

Question 4

Presentation mets?

Answer 4

Multiple brain tumors embolizing in grey white matter

Question 5

Do brain tumors metastasize?

Answer 5

No

Question 6

HA normal symptom in brain tumor?

Answer 6

No, brain doesn’t sense pain

• Progressive NV
• HA worse that are worse in Am
• Both of these are worrisome

Question 7

Best test for brain cancer?

Answer 7

MRI with contrast

Question 8

Rx brain tumor?

Answer 8

1. Resection
2. Radiation
3. +/- chemo
4. Steroids: reduces inflammation, only palliative
5. Seizure prophylaxis

Question 9

Only brain tumor with good prognosis?

Answer 9

Meningioma

Question 10

Another name anterior fossa?

Answer 10

Cerebrum

Question 11

Another name posterior fossa?

Answer 11

Brain stem

Question 12

Presentation prolactinoma?

Answer 12

1. Bitemporal hemianopsia
2. Galactorrhea
3. Amenorrhea
4. Elevated prolactin

Question 13

Rx prolactinoma?

Answer 13

Dopamine agonists

Question 14

How to diagnose acromegaly?

Answer 14

1. Glucose suppression test that fails

2. Insulin like growth

Question 15

Presentation craniopharyngioma?

Answer 15

1. Asymptomatic pituitary tumor
2. Seen in kids
3. Short stature
4. Calcification of sella

Question 16

What to think calcification of sella?

Answer 16

Craniopharyngioma

Question 17

Infaratentorial tumors?

Answer 17

1. Medulloblastoma
   - Seeds arachnoid space - spread to cord
2. Ependymoma - 4th ventricle, better in fetal position
   * Both present obstructive hydrocephalus

Question 18

Calcified tumor connected to dura?

Answer 18

Meningioma

Question 19

Ring enhancing lesion, or butterfly?

Answer 19

Glioblastoma

Question 20

Nerve root toe extensor

Answer 20

L5