Convexity cystic meningioma
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Large extra-axial mass with a broad dural base at the right temproparietal region . It is homogeneous and well circumscribed.
It is isoointense to grey matter in T1, hyperintense in T2 & FLAIR.
It exerts mass effect in the form of compressing underlying brain parenchyma, right lateral ventricle and midline shift to the right side & compression upon the right crus of mid-brain.
It is associated with adjacent component (trapped CSF) that shows free diffusion.
Considered type IV cystic meningioma.