OME - Surg: SAH/Tumor Flashcards Preview

Neurology > OME - Surg: SAH/Tumor > Flashcards

Flashcards in OME - Surg: SAH/Tumor Deck (20)
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1
Q

Can you diagnose cancer without tissue?

A

No

2
Q

Percent brain tumors that are mets?

A

70%

3
Q

Most common mets?

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

Presentation mets?

A

Multiple brain tumors embolizing in grey white matter

5
Q

Do brain tumors metastasize?

A

No

6
Q

HA normal symptom in brain tumor?

A

No, brain doesn’t sense pain

  • Progressive NV
  • HA worse that are worse in Am
  • Both of these are worrisome
7
Q

Best test for brain cancer?

A

MRI with contrast

8
Q

Rx brain tumor?

A
  1. Resection
  2. Radiation
  3. +/- chemo
  4. Steroids: reduces inflammation, only palliative
  5. Seizure prophylaxis
9
Q

Only brain tumor with good prognosis?

A

Meningioma

10
Q

Another name anterior fossa?

A

Cerebrum

11
Q

Another name posterior fossa?

A

Brain stem

12
Q

Presentation prolactinoma?

A
  1. Bitemporal hemianopsia
  2. Galactorrhea
  3. Amenorrhea
  4. Elevated prolactin
13
Q

Rx prolactinoma?

A

Dopamine agonists

14
Q

How to diagnose acromegaly?

A
  1. Glucose suppression test that fails

2. Insulin like growth

15
Q

Presentation craniopharyngioma?

A
  1. Asymptomatic pituitary tumor
  2. Seen in kids
  3. Short stature
  4. Calcification of sella
16
Q

What to think calcification of sella?

A

Craniopharyngioma

17
Q

Infaratentorial tumors?

A
  1. Medulloblastoma
    - Seeds arachnoid space - spread to cord
  2. Ependymoma - 4th ventricle, better in fetal position
    * Both present obstructive hydrocephalus
18
Q

Calcified tumor connected to dura?

A

Meningioma

19
Q

Ring enhancing lesion, or butterfly?

A

Glioblastoma

20
Q

Nerve root toe extensor

A

L5