Abstract

目的 研究颅骨骨纤维异样增殖症的MRI表现.方法回顾性分析22例颅骨骨纤维异样增殖症的MRI表现.其中男12例,女10例,年龄2~74岁,平均22.8岁.10例MRI平扫和增强扫描,12例单纯MR平扫.结果22例患者,临床主要表现为头局部膨胀、突眼及复视、头痛.MR平扫,T1WI上表现低信号者14例,等信号8例.T2WI上表现多种多样,低信号12例,混杂信号8例,高信号2例.增强扫描,颅底骨病变多明显均匀强化,颅盖骨多不均匀斑片样强化.结论颅盖骨骨纤维异样增殖症的MRI表现有一定特异性,而颅底病变表现常类似肿瘤改变,应提高对该病MRI表现的认识,以降低误诊率。

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