脑干出血的典型表现有瞳孔改变、高热、意识障碍和交叉性定位体征 ,并迅速导致死亡 ,然而近年来发现轻型的脑干出血较多 ,预后也较好 [1] ,但无定位体征的脑干出血 ,其临床特征及发病率未见报道。本文报告了 8例仅有一过性症状或就诊时症状就已消失而体检亦无阳性定位体征的脑 Typical manifestations of bleeding in the brainstem include pupil changes, hyperthermia, disturbance of consciousness, and cross-directional positioning signs, which can quickly lead to death. However, in recent years, there have been more cases of mild brain stem hemorrhage and better prognosis [1] Brainstem hemorrhage, the clinical features and incidence have not been reported. This article reports 8 patients who had only transient symptoms or symptoms that disappeared at the time of visit and who did not have a physical examination nor a positive location sign