对以延髓背外侧综合征为主症的胚胎动脉残留1例诊断分析如下。1病历摘要女,51岁。因突发头晕、走路不稳伴恶心、呕吐12 h入院。患者12 h前无明显诱因突然出现头晕,伴视物旋转,恶心,呕吐胃内容物多次,走路不稳(向右倾倒),且伴有饮水呛咳、吞咽困难、声音嘶哑;无耳鸣、意识障碍及 One case of an embryo artery residual tumor predominantly medulla oblongata syndrome is analyzed as follows. 1 medical record summary female, 51 years old. Due to sudden dizziness, walking instability with nausea, vomiting 12 h admission. Patients with no obvious reason 12 h before sudden onset of dizziness, accompanied by rotation of the object, nausea, vomiting stomach contents several times, walking unstable (right dump), and accompanied by drinking water cough, difficulty swallowing, hoarseness; no tinnitus, Awareness disorders and