嗅神经母细胞瘤CT、MRI表现  

CT and MRI Findings of Esthesioneuroblastoma

作　　者：彭李青 曾粦春 黄美浓 杨广夫 

机构地区：[1]深圳市龙岗区坑梓人民医院放射科,广东深圳518122 [2]深圳市龙岗区中心医院影像科

出　　处：《实用放射学杂志》2004年第8期692-693,705,共3页Journal of Practical Radiology

摘　　要：目的　研究嗅神经母细胞瘤的CT、MRI表现。方法　本组经病理证实 9例 ,男 4例 ,女 5例 ,平均年龄 3 4.6岁。CT平扫检查 4例 ;MRI 7例 ,MRI强化 2例。结果　发生于鼻腔 2例 ,鼻筛窦区 7例 ,右侧 6例 ,左侧 3例。CT、MRI表现为破坏性实体性占位 ,CT值 2 9～ 3 6HU ;MRIT1WI高于舌肌均匀信号强度 ,T2 WI稍高于脑灰质信号强度。 9例均有鼻甲、筛窦骨破坏 ,4例侵犯对侧鼻或筛窦 ,侵入颅内 8例 ,额窦 6例 ,同侧眶内 8例 ,2例突眼 ,破坏上颌窦 5例 ,蝶窦 5例。结论　发生于鼻腔、筛窦的破坏性实体肿瘤 ,MRIT2Objective To study CT and MRI findings of esthesioneuroblastoma.Methods Nine cases of esthesioneuroblastoma proved pathologically were presented.There were four male and five female,with mean age of 34.6 years.CT scan in four cases and MRI in seven cases were done and 2 cases had enhanced MRI.Results The location of lesions were in nasal cavity in 2 cases and in nasoethmoid region in 7 cases.Among nine cases,six cases were seen in the right side,and three cases in the left side.On CT and MRI,the lesion demonstrated a destructive solid mass,CT value ranged 29～36 HU.The lesions appeared as hamogeneous signal intensity which was higher than tongue muscle on T_1WI,and higher than grey matter on MRI T_2WI . Turbinal and ethmoid bony destruction were showed on all nine cases. The lesions invaded into opposite nose and ethmoid sinus in four cases,intruded into intracrainial cavity in eight cases, frontal sinus in six cases, orbit in eight cases in which two cases had eye protrusion, maxillary sinas in five cases and sphenoid sinus in five cases.Conclusion A esthesioneuroblastoma can be considered if a destructive solid mass occurs in nasal cavity and ethmoid sinus,with a middle signal intensity on T_2WI.

关 键 词：嗅神经母细胞瘤 磁共振成像 体层摄影 X线计算机 

分 类 号：R739.62[医药卫生—肿瘤] R445.2[医药卫生—临床医学]