Flashcards in 7.2 Tumours of CNS Deck (9):
What is the function of astrocytes?
Provide metabolic support to the neurons and form the BBB - important for repair and scarring of nervous tissue
What is the function of oligodendrocytes and where are they found?
Produce the myelin sheath around the white matter
Found in the white matter
What is the function of Ependymal cells and where are they found?
Line the ventricles and produce CSF
Found in the ventricles
What is the function of microglia?
Macrophages of the CNS
What cells surround the cranial nerves?
What is unique about primary tumours of the brain?
They do not metastasize
What are the symptoms of brain tumours?
Headache - intracranial pressure = BAD
Focal neurological deficits
High intracranial pressure - headache worse in the morning, papilloedema
What is the grading system for brain tumours?
Other: cellularity, molecular