Flashcards in Brain Tumours Deck (28)
What is a glioma?
A malignant tumour of epithelial origin
What type of brain tumour is associated with neurofibromatosis?
Which is the only way by which gliomas tend to spread?
Direct extension - they virtually never spread to beyond the CNS
Name two types of gliomas
What stage is a glioblastoma multiforme?
Are grade 1 astrocytomas benign or malignant?
What is the treatment for a grade 1 astrocytoma?
Surgery - curative
Who most often gets pliocytic astrocytomas? Where do they most often occur?
What four locations do pilocytic astrocytomas occur?
How do low grade astrocytomas most commonly present?
What is the treatment for grade 2 astrocytomas?
Surgery +/- radio/chemo therapy depending on the molecular profile
What is another name for a grade 2 astrocytoma?
What is the normal survival time for a glioblastoma multiforme?
Less than 1 year
What is the normal survival time for an anaplastic astrocytoma?
In what lobes do oligodendoglial tumours most commonly occur?
How do oligodendroglial tumours present usually?
Which type of brain tumour tends to have peripheral calcification?
What is the treatment for oligodendroglial tumours?
Chemotherapy (Procarbazine, lomustine, vincristine) and surgery
Radiotherapy helps in decreasing seizures.
What is the median survival for an oligodendoglial tumour?
What is the treatment for grade III and IV astrocytomas?
Non curative surgery (increases survival quality)
External beam radiation
Chemo ( Temozolomide, PCV, Carmustine wafers)
What are the common presenting symptoms of meningiomas?
Cranial nerve neuropathies (if on base of skull)
Regional anatomical disturbance
Are meningiomas most commonly benign or malignant?
What are the four types of aggressive/malignant meningiomas?
A 56 year old women has a CT scan after suffering debilitating and constant headaches. On the CT you see a densely enhanced homogenous lesion with oedema around it and hyperostosis.
What is hyperostosis?
Excssive growth of bone
Where is the most common place for neurofibromas to occur?
A patient is confirmed to have bilateral acoustic neuromas. What underlying condition might he have?
Neurofibromatosis type 2