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(A) Sagittal T1-weighted post–gadolinium contrast cervical magnetic resonance image (MRI) noting a heterogeneously enhancing intramedullary astrocytoma (arrow). (B) Sagittal T2-weighted cervical MRI demonstrating an intramedullary astrocytoma (arrow). (C) Axial T1-weighted post–gadolinium contrast cervical MRI illustrating a cystic astrocytoma; the cystic portions are highlighted by arrows and are hypointense compared with the enhancing surrounding rim.
