Protrusion of the Infraorbital Nerve into the Maxillary Sinus on CT: Prevalence, Proposed Grading Method, and Suggested Clinical Implications.
J E LantosA N PearlmanAjay GuptaJ Levi ChazenR D ZimmermanD R ShatzkesC D PhillipsPublished in: AJNR. American journal of neuroradiology (2015)
Although this condition has been reported in only 3 patients previously, infraorbital canal protrusion into the maxillary sinus was present in >10% of our cohort. Identification of this variant on CT could help a surgeon avoid patient injury.