Significant nasal septum deviation (DNS) predisposes to nasal problems like epistaxis, crusting, and sinusitis. This video shows a deviated nasal septum to the left with septal spur, and presence of sinusitis as evidenced by abnormal middle meatus appearance and draining mucopus. Loss of laminar air flow patterns may result in sinus hypoventilation and interferes with normal mucociliary function. CT-scan shows sinusitis changes involving the left maxillary sinus, anterior ethmoid air cells, and left frontal sinus with sphenoid sinus being spared.
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