*Image modified from the Hawke Library, http://ctscans.hawkelibrary.com/album26/Local_OMC_Block_case_44_001
OMC Obstruction
*Image modified from the Hawke Library,
http://ctscans.hawkelibrary.com/album26/Local_OMC_Block_case_44_001
The red arrows indicate a portion of the OMC. As you can see, the anatomical left OMC is obstructed. On the anatomical right side, there is a clear passage connecting the right maxillary sinus and the nasal cavity.