Research Article
A 16-Year Study on Incidence and Progression of Diseased Sphenoethmoidal (Onodi) Cell
Figure 4
Initial presentation of the bilateral diseased sphenoethmoidal cells in 2005. Consecutive CT images of the patient who developed visual loss. R: right sphenoethmoidal cell; L: left sphenoethmoidal cell; S: sphenoid sinus.