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Abducens nerve on MRI

Case contributed by: Dr Frank Gaillard

Presentation:

Being assessed for left sided hearing loss

Patient Data:

Age: Adult
Gender: Male
Race: Caucasian

Annotated MRI (FIESTA)

Modality: MRI

Annotated high resolution FIESTA sequence through the medulla and pons demonstrates the normal course of the abducens nerve (CN VI)  (white arrow) as it ascends from the ponto-medullary junction to Dorello's canal. 

Case Discussion:

The abducens nerve is difficult to see on routine imaging, but can be delineated on high resolution sequences. 

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