矢状面MRI显示分叶状肿块从第四胸椎(L4)水平向下延伸。图为粘液性乳头状室管膜瘤，此处是室管膜瘤的好发部位。
This magnetic resonance imaging (MRI) scan in sagittal view demonstrates a lobulated mass extending down from the level of L4. This is a myxopapillary ependymoma, the most common neoplasm at this site, and a common place for an ependymoma.