Arch Iran Med
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Assessment of nasal airway is helpful in understanding nasal breathing function. Acoustic rhinometry is one of the most commonly-used objective measurements of nasal airway. This test has the ability to measure the volume and the cross-sectional area of the nose in different distances. ⋯ There was a significant increase in volume and cross-sectional area after decongestion. Because of the differences in volume and minimal cross-sectional area in various races, measurement of these values in Iranian population is a proper way for diagnosis of rhinologic diseases and planning the appropriate treatment (medical or surgical). It is also helpful for comparison of preoperative and postoperative results after nasal surgeries.