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Typical Meningioma (TM)

Last Updated: March 27, 2020

Figure 1: This right frontal meningioma demonstrates low T2 signal intensity and is inciting hyperostosis along the inner table of the right frontal calvarium and along the anterior falx. A hyperintense CSF cleft is also present on T2WI (left) that characterizes this as an extra-axial mass. On contrast-enhanced T1WI (right), this lesion shows adjacent dural thickening and enhancement representing a “dural tail”.

Figure 2: This meningioma is well circumscribed, obviously extra-axial and mildly hyperintense on FLAIR (top row right). The mass demonstrates moderate enh...