斜坡脊索瘤的CT和MRI表现

CT and MRI of the Clivus of Chordoma

目的：分析斜坡脊索瘤的ＣＴ和ＭＲＩ表现。材料和方法：经病理证实的斜坡脊索瘤１６例，７例作ＣＴ检查，１１例作ＭＲＩ检查。结果：ＣＴ扫描７例均显示软组织肿块、骨质破坏和钙化，ＭＲＩ图像上１１例显示骨质破坏，１０例显示软组织肿块。结论：ＣＴ和ＭＲＩ是诊断斜坡脊索瘤有效的检查方法，斜坡脊索瘤必须与颅底骨软骨肉瘤、斜坡脑膜瘤和鼻咽部肿瘤鉴别。

Purpose: To report the CT and MR features of the clivus chordoma. Materials and Methods: The histopathologic study were performed in 16 patients with clivus chordoma. In 16 patients, 7 cases were valuated with CT, 11 cases were valuated with MRI. Results: CT scan revealed the soft mass with calcification and bone destruction involving the clivus in 7 cases. MRI demonstrated the bone destruction in 11 cases, the soft mass in ten cases. Conclusion: The CT and MRI features of the clivus chordoma are useful for diagnosis, the clivus chordoma must be differentiated from chondrosarcoma, meningioma and nasopharynx tumors.