A 44yo pt comes with right hemiparesis. Exam: left sided ptosis and left dilated pupil. Where is
the lesion?
a. Cerebral infarct
b. Cerebellar infarct
c. Medulla oblongata
d. Pons
e. Midbrain
Q. 1. What is the key?
Q. 2. What is the name of this condition?
Ans. 1. The key is E. Midbrain.
Ans. 2. Weber syndrome [presence of ipsilateral oculomotor nerve palsy and contralateral hemiparesis or hemiplagia].