Results In this series of 71 chordomas,39 located in the clival region,18 in the sella turcica,12 in the middle cranial fossa and 2 in the region of jugular foramen.

• 结果71例脊索瘤中，发生在斜坡39例、鞍区18例、颅中凹12例和颈静脉孔区2例。37例肿瘤内可见小囊变、坏死灶。