Diagnosis
Figure 4. Symptom Prevalence by Day for Rhinovirus Illness
Data from Gwaltney JM Jr, et al. JAMA. 1967;202(6):494-500.
Table 2. Comparison of Modalities for Objective
Confirmation of Sinonasal Inflammation
Modality Method Cost Discomfort Risk Sensitivity
a
Nasal
endoscopy
Direct
visualization
Moderate Minimal to
moderate
Minimal Good
Anterior
rhinoscopy
Direct
visualization
Minimal Minimal Minimal Fair
Computed
tomography
Radiographic High Minimal Radiation
exposure
Excellent
a
Ability to detect signs of inflammation if present in the nasal cavity or sinuses.
