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تعداد آیتم قابل مشاهده باقیمانده: 4

Risk of aneurysm based on internal and external dysfunction of the third nerve

Risk of aneurysm based on internal and external dysfunction of the third nerve
Internal and external dysfunction Risk of aneurysm Recommendation
Complete internal dysfunction ("pupil blown")
With complete external dysfunction Highest MRI/MRA (CTA) catheter angiogram
With incomplete external dysfunction Highest MRI/MRA (CTA) catheter angiogram
Without external dysfunction Minimal No imaging
Incomplete internal dysfunction ("partial pupil")
With complete external dysfunction Uncertain, probably low MRI/MRA (CTA) consider catheter angiogram
With incomplete external dysfunction Uncertain, minimal MRI/MRA (CTA) consider catheter angiogram
Without external dysfunction Minimal No imaging
No internal dysfunction ("pupil not involved")
With complete external dysfunction Low if isolated Observe
With incomplete external dysfunction Uncertain MRI/MRA (CTA) consider catheter angiogram

Internal dysfunction refers to the ability of the pupil to constrict. Complete internal dysfunction produces a large, unreactive pupil.

External dysfunction refers to extraocular motor function including the eyelid. Eyes with complete external dysfunction have prominent ptosis as well as paralysis of adduction, elevation, and depression.

Isolated refers to the absence of other neurologic signs or symptoms.

CTA: computed tomography angiography; MRA: magnetic resonance angiography; MRI: magnetic resonance imaging.
Graphic 76645 Version 2.0

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