MRI在颈静脉球瘤诊断中的应用

目的 总结颈静脉球瘤的ＭＲＩ特点,评价ＭＲＩ对颈静脉球瘤的鉴别诊断价值。材料与方法 ７全经手术及病理证实颈静脉球瘤均行ＭＲＩ平扫与增强扫描。对其ＭＲＩ表现作回顾性分析。结果 ６例主要位于颈静脉孔区,１例同时见于颈静脉孔区和中耳鼓室。Ｔ１ＷＩ均呈近肌肉之等信号,Ｔ２ＷＩ均呈等到稍高信号。所有病灶内均可见流空表现,增强后均有明显强化。结论 颈静脉球瘤的ＭＲＩ表现有较强的特征性,为该肿瘤理想的影像学检查

The Application of MRI in the Diagnosis of the Tumor of Glomus Jugulare

Objective To summarize MRI features of the tumor of glomus jugulare, and to evaluate MRI in differential diagnosis.Materials and Methods Plain and enhanced MR scanning was performed in 7 cases (5 females and 2 males) with surgically and pathologically proved tumor of glomus jugulare. The MRI findings were retrospectively analyzed.Results Six lesions were located at jugular foremen, and one lesion was located at both jugular foramen and middle ear. All the lesions demonstrated quite the same signal intensity as muscles on T 1WI, and iso or slight higher signal intensity on T 2WI. Signal loss due to flow void and marked enhancement after Gd DTPA injection were seen in all lesions.Conclusion The tumor of glomus jugulare carries some characteristics on MRI, therefore, MRI is an ideal imaging examination for this disease.