true of arachnoid cysts

Question Number 1354

Question:
the following are true of arachnoid cysts

a) they are lined by ependymal cells
b) they are located in the suprasellar cistern in 10%
c) do not cause erosion of the calvarium
d) may cause extradural hemorrhage
e) contrast injected intrathecally would be expected to pass into the cisterns


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