Discussion in 'Spot Diagnosis' started by neo_star, Jan 5, 2013.
The patient was asked to look straight ahead during examination. What's wrong with his eyes ?
Oculomotorius nerve palsy. (n.III.)
Occullomotor nerve palsy
Oculomotor nerve palsy
3rd cranial nerve palsy...
Ans : Occulomotor nerve palsy on right side
There is ptosis and the eyes are deviated outwards and downwards - the typical 'down and out' appearance due to unopposed axn by lat. rectus and sup. oblique.
Also note, the right eye pupil is blown - so an aneurysm of the post. communicating system should be ruled out as the parasym. fibers travel on the surface of CN 3 and are easily pinched by an aneurysm.
Separate names with a comma.