Meningioma-Teaching Points
ü
“Dural tail”- curvilinear area of
enhancement tapering off from margin of tumour along dural surface. Hyperostosis of adjacent bone. CT – calcification
ü
“Light-bulb” enhancement post contrast;
ü
MR Spectroscopy shows – alanine
ü
DSA – “mother-in-law” sign (contrast shows up
early and stays late)
ü
ECA supply
commonest, “spoke-wheel” vascularity.
ü
Extra-axial tumour
ü
Associations with
Neurofibromatosis type II; basal cell naevus syndrome.
From Sumer's Radiology Site http://www.sumerdoc.blogspot.com -The Top Radiology Magazine. Teleradiology Providers at www.teleradproviders.com Mail us at sales@teleradproviders.com
Source: Sumer's Radiology Site - Category: Radiologists Authors: Sumer Sethi Source Type: blogs
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