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Neuro > Brain Tumours > Flashcards

Brain Tumours Flashcards

1
Q

What can cause hydrocephallus?

A

Blockage of CSF flow?

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2
Q

What is a grade I Astrocytic tumour?

A

Pilocytic, Pleomorphic xanthaoastrocytoma

Subependymal giant cell

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3
Q

What is a grade II Astrocytic tumour?

A

Low grade Astrocytoma

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4
Q

What is a grade III Astrocytic tumour?

A

Anaplastic astrocytoma

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5
Q

What is a grade IV Astrocytic tumour?

A

Glioblastoma multiforme

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6
Q

Where do Glial tumours arise from?

A

Astrocytes or oligodendrocytes

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7
Q

Describe Grade I Astrocytomas

A

Truly benign
Slow grading
Children/young adults
Surgery needed

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8
Q

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

A

Temporal, posterior frontal, anterior parietal

Seizures

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9
Q

Describe Grade II’s

A 
Over 50's
Focal deficit
Short symptom duration
Raised ICP
Altered consciousness
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10
Q

How do you treat Grade II’s?

A

Surgery

radio/chemo

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11
Q

How do you treat the malignant astrocytomas?

A

Surgery - cytoreduction and reduce mass effect

Supramarginal resection if non-eloquent

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12
Q

Describe Oligodendroglial tumours I?

A

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

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13
Q

What occurs with Oligogendroglial tumours II?

A

Calcification
Cysts
Peritumoral haemorrhage

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14
Q

What are treatment for Oligodendroglial tumours?

A 
Procarbazine
Lomustine
Vincristine
Surgery + chemo
RadioT reduces seizures
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15
Q

What cells are involved in meningiomas?

A

Arachnoid cap cells

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16
Q

Describe meningiomas II

A

Parasagittal
Convexity
Sphenoid
Intraventricular

17
Q

What are symptoms of a meningiomas?

A

Headaches
Cranial nerve neuropathies
Regional anatomical disturbance

18
Q

What are treatments for meningiomas?

A

Surgery

Radiotherapy

19
Q

What are serious cells involved in meningiomas?

A

Clear cell
Chordoid
Rhabdoid
Papilary

20
Q

What are the Nerve Sheath Tumours?

A

Schwannomas
Neurofibromas
Malignant Peripheral Nerve Sheath Tumors (MPST)

Neuro (19 decks)

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