Q.All are true regarding
meningioma except
a. About 60% of the
meningiomas demonstrate a vascular marginal interface with high-resolution MR.
b. CSF interfaces are identifiable in about 80% of meningiomas on MR
c. vascular rims and CSF clefts are both present at the
brain–tumor interface in approx. two thirds of meningioma
d. The dural margin interface is seen primarily in
meningiomas of the cavernous sinus.
e. arcuate bowing and
compression of adjacent cortical convolutions in an onion skin–like
configuration noted in meningioma
ANS .---a
About 80% of the meningiomas demonstrate a vascular marginal
interface with high-resolution MR.
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