[Rare anatomical form of spinal cord ependymoma: metastatic ependymoblastoma involving whole spinal axis]. / Une forme anatomique rare d'épendymome médullaire: d'épendymoblastome métastatique étendu à l'ensemble de l'axe spinal

ABSTRACT

The authors report a case of malignant ependymoma of the terminal medullary cone and the cauda equina, presenting at the stage of metastatic diffusion to the whole spinal axis. They stress the pathological interest of such a form and its extreme rarity.