病历摘要:患者男性,72岁,今天早晨起床时觉头晕,恶心、呕吐,行走不稳,讲话含糊不清。有20年高血压病史,不规则服药。体查:神志清楚,检查合作,眼球震颤,右眼裂变小,右侧瞳孔变小,右面部无汗,右侧面部痛觉减退,构音不清,右侧软腭提升差,咽反射减弱,吞咽时呛咳,右手指鼻失误,右跟膝胫试验不准,Romberg氏征(+),左侧肢体痛觉减退。属于下列哪个综合症()
A. Weber syndrome
B. Korsakoff syndrome
C. Marchiafave-Bignami syndrome
Dejerine-Roussy syndrome
E. Horner syndrome
F. Wallenberg syndrome
G. Millard-Gebler syndrome
H. Benediktsyndrome