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目的 确定脑静脉血栓系统形成 (CVT)的临床特征及常见病因。方法 回顾 91例CVT患者的临床及影像学资料。结果 本组男 49例 ,女 42例 ,年龄 9～ 57岁 ,平均 (32 1± 1 0 8)岁。78例 (85 71 % )行MRI检查 ,37例 (40 66 % )行磁共振血管造影 (MRA)检查 ,32例 (35 1 6 % )行数字减影血管造影术检查。临床表现为单纯高颅压型占 2 7例 (2 9 67% ) ;局灶性缺损或 (和 )癫痫型占 56例(61 54 % ) ;脑病型 3例 ,海绵窦血栓形成 5例。口服避孕药 1 2例 (1 3 1 9% )。结论 认识CVT的临床特征并及时行MRI及MRA联合检查是正确诊断CVT的关键 ;口服避孕药是CVT最常见的原因
Objective To determine the clinical features and common causes of cerebral venous thrombosis (CVT). Methods The clinical and imaging data of 91 patients with CVT were retrospectively reviewed. Results The group of 49 males and 42 females, aged 9 to 57 years, with an average (32 1 ± 1 0 8) years. 78 patients (85 71%) had MRI examination, 37 patients (40 66%) had magnetic resonance angiography (MRA) and 32 patients (35 1 6%) had digital subtraction angiography. Clinical manifestations of simple high intracranial pressure accounted for 27 cases (29 67%); focal defects or epilepsy accounted for 56 cases (61 54%); encephalopathy in 3 cases, cavernous sinus thrombosis in 5 cases. 12 cases of oral contraceptives (1 3 1 9%). Conclusion Understanding the clinical features of CVT and timely MRI and MRA combined examination is the key to correct diagnosis of CVT; oral contraceptives are the most common cause of CVT