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During the third pass, middle meatus region including uncinate process, hiatus semilunaris, middle turbinate (& its variations), bulla ethmoidalis, presence of any discharge/polypoidal changes in middle meatus were noted.
The presentation of an enlarged pneumatized bulla ethmoidalis (BE) that obstructs the ethmoid infundibulum has not been previously reported.
The bulla ethmoidalis is a prominent anterior ethmoid air cell (Fig.
A series of cross profiles (>10), oriented perpendicularly to the region of interest, were analysed for the following target regions: Bulla Ethmoidalis, Lamina Papyracea, Middle Turbinate, Maxillary Wall, Posterior Ethmoid, Uncinate Process and Superior Turbinate.