Fig. 4
From: Role of diffusion-weighted imaging in differentiation between posterior fossa brain tumors
Typical cerebellar (infratentorial) meningioma in female patient aged 44 years old presented with chronic headache and dizziness 4 months ago. An extra-axial space-occupying lesion (SOL) is seen in the left cerebellar hemisphere lying below and contacting the tentorium cerebelli with moderate perifocal edema, effacement of related cerebellar folia, compression of the fourth ventricle, and minimal rightward shift of midline structures. This mass displays relatively iso to low signal intensity (SI) on T1WI (a), iso SI on T2 WI (b). It shows homogeneous enhancement on post-contrast T1WI (c). It has iso SI-like brain parenchyma on apparent diffusion coefficient images (ADC) map (d)