摘要:目的探讨MRI动态增强扫描技术在判定海绵窦内侧壁完整性诊断侵袭性垂体腺瘤中的应用价值。方法搜集经手术病理证实为垂体腺瘤且术前行MRI动态增强扫描的患者共132例,回顾性分析其影像学资料并进行对比性研究。结果利用MRI动态增强扫描技术判定海绵窦内侧壁完整性诊断侵袭性垂体腺瘤,其灵敏度、特异度、阳性预测值(PPV)、阴性预测值(NPV)和约登指数分别为100%、95.65%、86.36%、100%、0.957,总体上较传统评价指标更加准确和客观。结论 MRI动态增强扫描对垂体腺瘤侵袭海绵窦内侧壁的检出很敏感,是检出侵袭性垂体腺瘤极有价值的扫描方法。
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