증례 #10

Posterior fossa ependymoma extending through the foramina of Luschka (red arrows), encasing the basilar artery (yellow arrow), and severely deforming the medulla (blue arrow).

Sagittal T1 precontrast image shows the tumor encasing multiple posterior fossa structures and extending inferiorly within the dorsal aspect of the upper cervical spinal canal (red arrow).

Heterogeneous areas of internal enhancement, including in the prepontine tumor component (red arrow).