Abstract
A total of 114 patients with asthma and coexisting rhinitis were screened radiologically for abnormalities suggestive of paranasal sinus (PNS) disease. We found such radiological abnormalities in 87 (76.3%) patients. Of these, 79 (90.8%) had involvement of maxillary sinuses, 29 (33.3%) of frontal sinuses, and 8 (9.2%) of sphenoidal sinuses. Sixteen (18.4%) patients had single sinus involvement, none being that of sphenoidal sinuses. We found erect occipito-mental (Water's) view most useful for the radiological screening of the PNS. Significance of these findings and possible clinical implications are reviewed. Radiological evaluation of the PNS is suggested to select patients requiring evaluation for sinusitis.
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