动脉瘤样骨囊肿的综合影像学分析  

Comprehensive Imaging Analysis of Aneurysmal Bone Cyst

作　　者：李晓芬[1] 徐荣春[1] 

机构地区：[1]江西省人民医院放射科,南昌330006

出　　处：《南昌大学学报（医学版）》2011年第8期70-72,F0003,共4页Journal of Nanchang University：Medical Sciences

摘　　要：目的分析影像学检查对动脉瘤样骨囊肿的综合诊断价值。方法对32例经病理证实的动脉瘤样骨囊肿的影像学表现进行回顾性分析。32例均摄X线片,26例做CT扫描检查,8例做MRI检查。结果 26例发生在长管状骨,脊柱4例,扁骨2例。32例动脉瘤样骨囊肿主要表现为:1)膨胀性囊样骨质破坏:平片26例,CT 17例,MRI 8例;2)病灶周围骨硬化:平片15例,CT8例,MRI 2例;3)病灶内骨嵴:平片22例,CT 6例,MRI 4例;4)骨膜反应:平片2例;5)液-液平面:CT 7例,MRI 5例。结论动脉瘤样骨囊肿有一定特征性影像学表现,MRI及CT对本病诊断较平片有优势,综合影像学检查才能提高诊断符合率。Objective To evaluate the value of imaging in diagnosing aneurysmal bone cyst（ABC）.Methods The imaging features of 32 case of pathologically proved ABC were retrospectively analyzed.All patients received conventional X-ray examination,and 26 of the 32 patients underwent CT scanning and 8 underwent MRI scanning.Results Among the 32 cases,26 lesions were located in long tubular bones,4 in vertebral column,and 2 in flat bones.The imaging signs of aneurysmal bone cyst included expansive bony destruction（detected by X-ray in 26 cases,by CT in 17,and by MRI in 8）,sclerosis of bony structures adjacent to lesions（detected by X-ray in 15 cases,by CT in 8,and by MRI in 2）,bone trabeculae mixed with osseous septae in lesions（detected by X-ray in 22 cases,by CT in 6,and by MRI in 4）,periosteal reaction（only detected by X-ray in 2 cases）,and fluid-fluid levels in lesions（detected by CT in 7 cases and by MRI in 5）.Conclusion The imaging features of ABC have certain characteristics.CT and MRI are superior to X-ray for the diagnosis of ABC.A comprehensive imaging modality can improve the diagnostic accuracy of ABC.

关 键 词：动脉瘤样骨囊肿 断层摄影电子计算机 X线片 磁共振成像 

分 类 号：R738.1[医药卫生—肿瘤] R445[医药卫生—临床医学]