Trochlear nerve palsy: causes

Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .

Trochlear nerve palsy: causes. It supplies the contralateral superior oblique muscle. Fully referenced neurology checklist.

Anatomy of the trochlear nerve

  • It supplies the contralateral superior oblique muscle
  • This intorts and depresses the eye
  • Nuclear lesions impair the contralateral superior oblique muscle

Neurological causes

Locked: subscribe to see this section.

Vascular causes

Locked: subscribe to see this section.

Neoplastic causes

Locked: subscribe to see this section.

Infective causes

Locked: subscribe to see this section.

Iatrogenic causes

Locked: subscribe to see this section.

Synonyms

Locked: subscribe to see this section.

References

  1. Gold DR, Shin RK, Galetta S. Pearls and oy-sters: central fourth nerve palsies. Neurology 2012; 79:e193-e196.
  2. Jacobson DM, Moster ML, Eggenberger ER, Galetta SL, Liu GT. Isolated trochlear nerve palsy in patients with multiple sclerosis. Neurology 1999; 53:877-879.
  3. Halpern JI, Gordon WH Jr. Trochlear nerve palsy as a false localizing sign. Ann Ophthalmol 1981; 13:53-56.
  4. Speer C, Pearlman J, Phillips PH, Cooney M, Repka MX. Fourth cranial nerve palsy in pediatric patients with pseudotumor cerebri. Am J Ophthalmol 1999; 127:236-237.
  5. Yoon KJ, Lee EH, Kim SH, Noh MS. Occurrence of trochlear nerve palsy after epiduroscopic laser discectomy and neural decompression. Korean J Pain 2013; 26:199-202. 
  6. And 44 more. Subscribe to see the full list

Related checklists

Loading...