钩端螺旋体脑动脉炎(以下简称“钩体脑动脉炎”)是由钩体感染后引起的神经后发症之一,多发生于儿童及青少年。其发病率约占钩体病的0.5～6.45%。主要表现为闭塞性脑动脉炎,临床上出现脑血管栓塞的症状如单瘫、偏瘫、双瘫、失语或精神障碍。钩体凝溶试验阳性,脑血管造影可见脑血管狭窄或闭塞征。由于本病缺乏钩体感染的急性症状,误诊率很高。现将我院收治的6例中有钧体凝溶试验阳性的2 Leptospirosis (hereinafter referred to as “leptospirosis”) is one of the neurological complications caused by leptospira infection, which occurs in children and adolescents. The incidence of leptospirosis is about 0.5 ~ 6.45%. Mainly for occlusive cerebral arteritis, clinical symptoms of cerebral embolism such as single paralysis, hemiplegia, double paralysis, aphasia or mental disorders. Lectra coagulation test was positive, cerebral angiography showed cerebral vascular stenosis or occlusion sign. Misdiagnosis rate is high because of lack of acute symptoms of leptospirosis. Now 6 cases admitted to our hospital Jun Jun coagulation test positive 2