作者报道1例CT 上考虑鼻咽痛经颈静脉孔向颅内延伸而未能显示骨侵犯者经MRI 显示的病例。男,67岁,因鼻塞就诊诊断为鼻咽癌。放疗后肿瘤缩小。一年后症状加重,CT 发现右桥小脑角区肿块,增强CT 见从右颈静脉孔内延伸到颅内的不规则强化的肿块,右颈静脉孔无破坏,骨质正常,MRI T_1加权象肿瘤显示低信号,从右颈静脉孔向 The authors reported on one case of CT that considered the extension of nasopharyngeal dysmenorrhea through the jugular foramen to the intracranial extension and failed to show a bone invasion case on MRI. Male, 67 years old, was diagnosed with nasopharyngeal carcinoma because of nasal congestion. The tumor shrinks after radiotherapy. One year later, the symptoms worsened. CT showed a mass in the right cerebellopontine angle area. CT showed an irregularly enhanced mass extending from the right jugular vein to the intracranial cavity. The right jugular vein had no damage, and the bone was normal. MRI T_1 weighted images Tumor shows low signal from right jugular vein hole