fig2

Figure 2. Coronal CT image depicting the key anatomy of the anterior OMU. MO: Maxillary ostium; I: infundibulum; HL: hiatus semilunaris; MM: middle meatus; UP: uncinate process; CT: computed tomography; OMU: ostiomeatal unit.
Figure 2. Coronal CT image depicting the key anatomy of the anterior OMU. MO: Maxillary ostium; I: infundibulum; HL: hiatus semilunaris; MM: middle meatus; UP: uncinate process; CT: computed tomography; OMU: ostiomeatal unit.
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