Bilateral Ectopic Infraorbital Nerves

Case contributed by Dr Mauricio Macagnan

Presentation

Cough, runny nose, and rhinitis. No history of trauma. No sensory symptoms or motor on the face.

Patient Data

Age: 30 years
Gender: Female
Modality: CT


CT demonstrates, in the different planes, the ectopic path of the infraorbital nerve that transits through the interior of the maxillary sinus, through a bony septum.

Modality: Annotated image

The red arrows demonstrate the ectopic pathway of the infraorbital nerve.

Case Discussion

The ectopic pathway of the infraorbital nerve is a very rare anatomical variant of the sinonasal anatomy, which presents a risk of nerve damage during eventual endoscopic sinus surgery. It is important to describe so that the surgeon is cautious in case of surgical intervention.

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Case Information

rID: 49006
Case created: 4th Nov 2016
Last edited: 7th Apr 2017
System: Head & Neck
Inclusion in quiz mode: Included

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