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Patient 7. (A) Sagittal T1-weighted contrast-enhanced brain magnetic resonance imaging scan showing a large vermian mass with heterogeneous contrast enhancement (regular arrow) and cystic components (arrowhead) without hydrocephalus. (B) Axial T2-weighted brain magnetic resonance imaging scan showing hyperintense components (dotted arrow), cystic components (arrowhead), and an isointense signal (regular arrow) consistent with hemorrhage.
