Abducens Nerve Palsy (Sixth Cranial Nerve Palsy) Questions & Answers

Updated: Nov 19, 2018
  • Author: Michael P Ehrenhaus, MD; Chief Editor: Edsel Ing, MD, MPH, FRCSC  more...
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Questions & Answers

Overview

What is abducens nerve palsy (sixth cranial nerve palsy)?

What is the clinical presentation of abducens nerve palsy (sixth cranial nerve palsy)?

What is included in the physical exam for abducens nerve palsy (sixth cranial nerve palsy)?

Which tests are performed in the workup of abducens nerve palsy (sixth cranial nerve palsy)?

What is the pathophysiology of abducens nerve palsy (sixth cranial nerve palsy)?

What are the common etiologies of abducens nerve palsy (sixth cranial nerve palsy)?

What is the prevalence of abducens nerve palsy (sixth cranial nerve palsy) in the US?

What is morbidity associated with abducens nerve palsy (sixth cranial nerve palsy)?

How does the incidence of abducens nerve palsy (sixth cranial nerve palsy) vary by age?

Presentation

What are the signs and symptoms of abducens nerve palsy (sixth cranial nerve palsy)?

Which physical findings are characteristic of abducens nerve palsy (sixth cranial nerve palsy)?

What are the causes of abducens nerve palsy (sixth cranial nerve palsy)?

DDX

What are the differential diagnoses for Abducens Nerve Palsy (Sixth Cranial Nerve Palsy)?

Workup

Which lab studies are performed in the workup of abducens nerve palsy (sixth cranial nerve palsy)?

What is the role of MRI in the workup of abducens nerve palsy (sixth cranial nerve palsy)?

What should be the focus of history in the workup of abducens nerve palsy (sixth cranial nerve palsy)?

What is the role of otoscopy in the workup of abducens nerve palsy (sixth cranial nerve palsy)?

What is the role of biopsy in the workup of abducens nerve palsy (sixth cranial nerve palsy)?

Treatment

What are the medical treatment options for abducens nerve palsy (sixth cranial nerve palsy)?

What is the role of surgery in the treatment of abducens nerve palsy (sixth cranial nerve palsy)?

Which medical personnel may provide consultations to patients with abducens nerve palsy (sixth cranial nerve palsy)?

Which activity modifications may be needed for patients with abducens nerve palsy (sixth cranial nerve palsy)?

Follow-up

What are the complications of abducens nerve palsy (sixth cranial nerve palsy)?

What is the prognosis of abducens nerve palsy (sixth cranial nerve palsy)?