Precaruncular approach to the medial orbit & landmarks for anterior ethmoidal artery ligation: A cadaveric study

Abstract

Objective

In epistaxis and skull base surgery, the anterior ethmoidal artery sometimes needs to be ligated. We describe a novel, quick and scar-free surgical technique to ligate this artery with salient landmarks allowing rapid identification.

Patients and Methods

Twenty medial orbital walls from 10 randomly selected fresh-frozen, non-formalinized cadaver heads were examined. Dissection was performed by a precaruncular external approach to expose the AEA in all cases.

Results

The Horner's muscle and nasion, two salient landmarks, have been identified for use during the precaruncular approach.

Discussion/Conclusion

The precaruncular approach is a novel combined open and endoscopic surgical approach to the anterior ethmoidal artery. It is a simple, quick and scar-free technique. The identification of the artery is easy when using the two anatomic landmarks we describe in our study i.e. Horner's muscle and the nasion.

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