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Flashcards in Brain Tumours Deck (20):
1

What can cause hydrocephallus?

Blockage of CSF flow?

2

What is a grade I Astrocytic tumour?

Pilocytic, Pleomorphic xanthaoastrocytoma
Subependymal giant cell

3

What is a grade II Astrocytic tumour?

Low grade Astrocytoma

4

What is a grade III Astrocytic tumour?

Anaplastic astrocytoma

5

What is a grade IV Astrocytic tumour?

Glioblastoma multiforme

6

Where do Glial tumours arise from?

Astrocytes or oligodendrocytes

7

Describe Grade I Astrocytomas

Truly benign
Slow grading
Children/young adults
Surgery needed

8

Where do Grade I's occur and how do they present?

Temporal, posterior frontal, anterior parietal
Seizures

9

Describe Grade II's

Over 50's
Focal deficit
Short symptom duration
Raised ICP
Altered consciousness

10

How do you treat Grade II's?

Surgery
radio/chemo

11

How do you treat the malignant astrocytomas?

Surgery - cytoreduction and reduce mass effect
Supramarginal resection if non-eloquent

12

Describe Oligodendroglial tumours I?

Frontal lobes
Seizure presentation
6-12 years and 25-45 years

13

What occurs with Oligogendroglial tumours II?

Calcification
Cysts
Peritumoral haemorrhage

14

What are treatment for Oligodendroglial tumours?

Procarbazine
Lomustine
Vincristine
Surgery + chemo
RadioT reduces seizures

15

What cells are involved in meningiomas?

Arachnoid cap cells

16

Describe meningiomas II

Parasagittal
Convexity
Sphenoid
Intraventricular

17

What are symptoms of a meningiomas?

Headaches
Cranial nerve neuropathies
Regional anatomical disturbance

18

What are treatments for meningiomas?

Surgery
Radiotherapy

19

What are serious cells involved in meningiomas?

Clear cell
Chordoid
Rhabdoid
Papilary

20

What are the Nerve Sheath Tumours?

Schwannomas
Neurofibromas
Malignant Peripheral Nerve Sheath Tumors (MPST)