| 汪若弟,毛明伟.鼻咽癌颅底侵犯的MRI[J].中国医学影像技术,2001,17(5):428~429 |
| 鼻咽癌颅底侵犯的MRI |
| Skull Base Erosion in Nasopharyugeal Careinoma: Detection by MRI |
| 投稿时间：2000-12-26 |
| DOI： |
| 中文关键词: 鼻咽癌 肿瘤浸润 磁共振成像 |
| 英文关键词:Nasopharyngeal carcinoma Neoplasm invasiveness Magnetic resonance imaging |
| 基金项目: |
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| 中文摘要: |
| 目的 探讨鼻咽癌颅底侵犯的MRI表现形式及诊断价值。方法 选择经鼻咽部病理证实,并有明确颅底或颅神经受损症状的鼻咽癌患者86例。经颅底及鼻咽部轴位T1WI,T2WI和冠位、矢位T1WI扫描。47例行增强后轴、冠、矢位T1WI扫描。结果 侵犯翼突者56例,斜坡54例,卵圆孔(包括蝶骨大翼)28例,岩尖27例,枕骨1例。71例有2处以上联合病变。表现形式有:①正常颅底骨皮质无信号带 |
| 英文摘要: |
| Objective To study MRI characteristics and value in the diagnosis of nasopharyngeal carcinoma with skull base erosion. Methods 86 cases of nasopharygeal carcinoma with positive nasopharyngeal pathology and symptoms of skull base erosion were selected. Axial T1WI, T2WI and coronal, sagital T1WI were performed. 47 cases had axial, coronal and sagital T1WI examination post Gd-DTPA injection. Results Areas of skull base involvement were as follow: 56 cases with pterygoid process, 54 with clivus, 28 with foramen ovale (including sphenoid wing), 27 with petrous apex, 1 with occiptal bone. 71 cases had more than one area involvement. There are four patterns in our group: ①Defect in the signal avoid cortex of skull base; ②High signal intensity of marrow was replaced by tumor; ③Contrast enhancement in abnormal bone; ④String like enhancement passing nerve foramen in skull base. 44 cases included intracranial abnormal. Conclusion MRI is the preferred technique in dementstrating skull base involvemetn of nasopharyngeal carcinoman. |
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