脊柱滑膜肉瘤的影像特征分析

目的 探讨脊柱滑膜肉瘤的影像表现,提高对该病的认识.方法 回顾性分析经手术病理证实的4例(男2例,女2例)脊柱滑膜肉瘤的临床及影像资料,重点分析影像特点及手术病理特征.结果 4例患者均行CT及MRI平扫,3例患者行CT及MRI增强检查.CT平扫等密度2例,稍高密度2例;增强扫描不均匀强化3例.T1WI序列:2例低信号,2例等信号;T2WI序列:1例高信号,1例稍高信号,2例混杂高信号;T2WI压脂序列:2例高信号,1例混杂高信号,1例稍高信号;DWI序列:4例明显高信号.T1WI增强序列:1例明显强化,2例不均匀强化.结论 脊柱滑膜肉瘤CT及MRI影像表现具有一定的特征性,结合临床表现有助于提高对本病的认识及诊断.

Analysis to radiological features of synovial sarcoma in spine

Objective To improve the recognition to synovial sarcoma in spine by discussing the imaging features of the disease.Methods The clinical and imaging data of 4 cases (2 cases of male,2 cases of female) with synovial sarcoma in spine were analyzed retrospectively, which were confirmed by surgery and pathology,the imaging features and surgical pathology were mainly analyzed.Results All the 4 patients underwent conventional CT and MRI examination,3 of which underwent CT and MRI contrast enhancement examination.On CT plain scan,2 cases showed equal density,2 showed slightly high density.After enhancement,3 cases showed inhomogeneous enhancement.On T1WI,2 cases showed low signal intensity,2 showed iso-signal intensity.On T2WI,1 case showed high signal intensity,1 showed slightly high signal intensity,and 2 showed mixed high signal intensity.On Fat suppression sequence image,2 cases showed hyperintensity,1 had mixed hyperintensity,and 1 had slightly hyperintensity.On DWI,4 cases showed obviously hyperintensity.On T1WI enhancement,1 case had significant enhancement,2 showed inhomogeneous enhancement.Conclusion The CT and MRI manifestation of synovial sarcoma in spine has certain characteristics.Combined with clinical manifestations, CT and MRI are significantly helpful to improve the cognition and diagnosis of synovial sarcoma in spine.