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A) CT demonstrates a well-defined petrous lacunar image (arrow). B) T1-weighted image shows the hyperintense round lesion centered on the right Meckel cavum, relying on the intrapetrous carotid artery, and generating a mass effect on the temporal lobe (arrow). D) DWI is negative. E) T2-weighted image shows the presence of cystic areas. C) and F) Axial and coronal T1-weighted images show a slightly heterogeneous enhancement after contrast administration.
