COMPARATIVE STUDY
JOURNAL ARTICLE
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The completely opacified frontal or sphenoid sinus: a marker of more severe disease in chronic rhinosinusitis?

Laryngoscope 2005 December
OBJECTIVE: Determine whether complete opacification of the sphenoid or frontal sinus is associated with increased clinical severity of chronic rhinosinusitis (CRS).

METHODS: Adult patients undergoing evaluation for CRS prospectively completed the rhinosinusitis symptom inventory (RSI) and underwent computed tomography of the paranasal sinuses. A cohort with at least one completely opacified frontal sinus was identified. To each patient in this opacified cohort, a control patient without complete frontal sinus opacification was matched with corresponding Lund score. Symptom scores for headache, facial pressure, RSI symptom domains, and medical resource consumption were statistically compared. Similar analysis was conducted for patients with complete sphenoid sinus opacification.

RESULTS: Fifty-four patients with at least one completely opacified frontal sinus were matched for Lund score to the control group (mean Lund score 17.1). There was no statistically significant difference in headache (2.1 vs. 2.8) or pressure scores (2.0 vs. 2.3) or in the RSI symptom domains between those patients with completely opacified frontal sinuses and controls, respectively. Although completely opacified patients received more antibiotic treatment and missed more workdays, only the increased numbers of physicians visits (4.0 vs. 2.1, P = .02) was significant. Thirty-four of 35 completely opacified sphenoid patients were matched to control patients (mean Lund score 16.7). Again, differences in symptom scores for headache (2.5 vs. 2.5), facial pressure (2.3 vs. 2.3), and RSI symptom domains were not statistically significant. Increased use of antibiotics (9.6 vs. 3.9, P = .036) and physician visits (5.8 vs. 1.8, P = .024) for sphenoid opacification patients was statistically significant.

CONCLUSIONS: Patients with a completely opacified sphenoid or frontal sinus do not necessarily manifest more severe clinical symptoms of CRS. Thus, a higher radiographic stage should not be automatically assigned to patients with a completely opacified sphenoid of frontal sinus in CRS.

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