Fourth nerve palsy: Difference between revisions
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MedlinePlus = | | MedlinePlus = | | ||
eMedicineSubj = | eMedicineSubj = | | ||
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DiseasesDB = | | DiseasesDB = | | ||
MeshID = D020432 | | MeshID = D020432 | | ||
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==Causes== | ==Causes== | ||
*[[Brown's syndrome]]: Restriction of superior oblique movement is found in Brown syndrome, leading to difficulty elevating the eye in the adducted position | *[[Brown's syndrome]]: Restriction of superior oblique movement is found in Brown's syndrome, leading to difficulty elevating the eye in the adducted position | ||
*[[Congenital fourth nerve palsy]] | *[[Congenital fourth nerve palsy]] | ||
*[[Head trauma]]: Superior oblique palsy is a common complication of closed [[head trauma]] | *[[Head trauma]]: Superior oblique palsy is a common complication of closed [[head trauma]] | ||
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[[Category:Ophthalmology]] | [[Category:Ophthalmology]] | ||
[[Category:Physical examination]] | [[Category:Physical examination]] | ||
[[Category:Neurology]] | [[Category:Neurology]] | ||
Latest revision as of 18:59, 5 June 2015
Template:DiseaseDisorder infobox
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Fourth nerve palsy is a condition caused by weakness or paralysis of the superior oblique muscle. When present at birth, it is known as congenital fourth nerve palsy.
Causes
- Brown's syndrome: Restriction of superior oblique movement is found in Brown's syndrome, leading to difficulty elevating the eye in the adducted position
- Congenital fourth nerve palsy
- Head trauma: Superior oblique palsy is a common complication of closed head trauma
- Superior oblique myokymia is an uncommon neurological condition caused by vascular compression of the trochlear nerve resulting in repeated, brief, involuntary episodes of movement of the eye.