脑微出血的临床分析与磁共振特点

Clinical and imaging characteristics of cerebral microbleeds

目的探讨脑微出血患者的临床表现及磁共振特征。方法回顾性分析14例经内科治疗随访证实的脑微出血患者的临床资料及磁共振(MR)图像。结果脑微出血临床上缺乏相关的神经系统症状与体征。高血压、冠心病、高血脂、糖尿病为其主要危险因素。磁共振成像(MR I)表现为在梯度回波T2*W I均匀一致的卵圆形T2信号减低区。结论本病MR I具有特征性,MR I检查对脑微出血的诊断有确诊意义,对治疗方法选择及判断预后具有指导意义。

Objective To investigate the clinical and MRI features of cerebral microbleeds. Methods The clinical and MRI data of 14 cases of cerebral microbleeds confirmed by follow - up were analyzed retrospectively. Results In clinics, cerebral microbleeds had no corresponding neurological symptoms or sigus. The most dangerous factors were hypertension, coronary heart disease, hypedipidemia and diabetes mellitus. Cerebral mierobleeds presented as well - distributed, oval, silent toci of signal loss visualized on gradient -echo T2 -weighted MRI sequences. Conclusion Cerebral microbleeds has unique features of MRI. The examination of MRI has definite significance to cerebral microbleeds, to select a perfect treatment method and estimate prognosis.