摘要
目的 分析颅底软骨瘤及软骨肉瘤的影像学表现 ,提高诊断水平。方法 7例经头颅X线平片配合CT、脑血管造影、MRI检查 ,经手术病理证实。结果 1.头颅X线片和CT :鞍区团絮状高密度钙化肿块 2例 ,低密度钙化 1例 ,等密度、高密度 4例 ,强化后不均匀增强 5例。 2 .脑血管造影 :颈内动脉、大脑中动脉、大脑前动脉受压移位 ,无肿瘤血管染色 2例 ;3.MRI:MRIT1WI像不均匀低信号及不均匀增强 ,T2WI像不均匀高信号 4例 ,手术病理诊断 :软骨瘤 6例 ,软骨肉瘤 1例。结论 头颅X线片和CT对鞍旁颅中窝大量钙化的软骨瘤容易诊断。对不典型者 。
Objective To improve diagnostic level,imagelogical features of chondroma and chondrosarcoma of intracrania basis were analyzed.Methods Plain radiograph and CT of skull,cerebral angiography and MRI features were analyzed in 7 cases with chondroma and chondrosarcoma verified by operative pathology.Results 1.Plain radiograph and CT of skull:In saddle zone cotton ball like high density calcificative mass was found in 2,low intensive calcification in 1,isoindensity and high intensity in 4,and inhomogeneous density after enhancement in 5 2.Cerebral angiography:Artria carotic intena ,arteria cerebri media and arteria ceriebri anterior were crushed out of position in 2.The tumor was negative for staining.3.MRI:Inhomogeneous low signal and inhomogeneous intensification were showed on T1 weighted images and inhomogeneous high signal was seen on T2 weighted images in 4.Operative pathological diagnosis:6 cases were diagnosed as chondromas,1 case as chondrosarcoma.Conclusion It is easy to diagnose chondromas which was in saddle side middle cranial fossa with calcification in plain radiograph and CT of skull.It will be helpful to the atypical cases when MRI or DSA cerebral angiography was done.
出处
《肿瘤防治研究》
CAS
CSCD
北大核心
2000年第2期126-127,共2页
Cancer Research on Prevention and Treatment
关键词
颅底软骨瘤
软骨肉瘤
影像学诊断
Chondromma of intracrania basis
Chondrosarcoma
Imagelogics
