脊索瘤（。ｈｏ～）是来源于胚胎发育过程中未退化的残留脊索组织的恶性肿瘤。因其常发生于体轴骨骼的两端形成较大的体表肿块，而有利于采用细针吸取细胞学（ｆｉｎｅｎｅｅ－ｄｌｅａｓｐｄｒｉｏｎｃｙｔｏｉｎｇ，ＦＮＡＣ）诊断。但其形态多样，为全面反映脊索瘤细胞... Chordoma (.ho~) is a malignant tumor that originates from non-degenerate residual spinal cord tissue during embryonic development. Because it often occurs at the two ends of the axial skeleton to form a large body mass, it is beneficial to the diagnosis of fineneedle dleaspdrioncytosis (FNAC). But its various forms, to fully reflect the chordoma cells ...