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C. Chronic Sinusitis: When Medication Doesn't Help

Narrator: This is Science Today. Chronic sinusitis is a relatively common disease - and its incidence is rising. While the majority of patients can be managed with medication or other treatment of their allergies, Dr. Brad Strong, a professor of otolaryngology at the University of California, Davis, says for a minority of patients, these options may not work.

Strong: For those individuals, sinus surgery or opening up the drainage pathways is effective treatment for their sinus disease. The sinuses are relatively small, bony cavities that have an extremely small opening in one place. If there's swelling around that opening, the sinus cavities become obstructed.

Narrator: Over the last several years, computer-guided imaging has been helping surgeons perform this operation with better accuracy and fewer complications.

Strong: It will be interesting to see if the computer guidance and computers do start to take over some of the role. We would be, obviously, guiding those instruments and techniques, but it will be interesting to see as this technology grows, the advances and the precision that can be applied.

Narrator: For Science Today, I'm Larissa Branin. .