Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
From the case:
Meningioma with peritumoural cyst
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Right middle cranial fossa durally based extra axial tumor with avid enhancement of its solid portion and adjacent cyst and perifocal edema
Case Discussion
Meningiomas sometimes have adjacent peritumoral cyst that can make it difficult to distinguish from cystic parenchymal tumors with a mural nodule.