What are the approach considerations in the workup of third cranial nerve palsy (oculomotor cranial nerve palsy)?

Updated: Oct 08, 2018
  • Author: James Goodwin, MD; Chief Editor: Andrew G Lee, MD  more...
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Answer

Angiographic imaging studies (eg, computed tomographic angiography [CTA], magnetic resonance angiography [MRA], digital subtraction angiography [DSA]) are often necessary in the evaluation of acute oculomotor nerve palsy.

The combination of CT scanning/CTA followed by MRI/MRA is often necessary in the evaluation of unexplained oculomotor nerve palsy. Standard catheter angiography may be required upon high clinical suspicion for aneurysm.


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