CT imaging may demonstrate mucosal changes within the ostiomeatal complex or sinuses (Figure 3). Plain sinus films possess a relatively low sensitivity and specificity to identify mucosal changes.

Patients with injuries to the lining of the upper GI tract, called mucosal damage, were matched in a 1:3 ratio with patients without mucosal damage. All patients were followed through July of 2023.

Anatomy and physiology of the sinuses and sinusitis. Sinusitis is defined as an inflammation of the lining of the membranes of any of the paranasal sinuses. The sinuses are lined with ciliated ...