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Diagnostic value of plain radiographs in chronic maxillary sinusitis: a comparison between radiological and
J E Laranne1, M A Penttilä, T A Paakkala
1Dept. Otolaryngology, University Central Hospital, Tampere, Finland.
Abstract:
Preoperative radiologic and intraoperative endoscopic findings of maxillary and ethmoid sinuses were compared in 75 adult patients, in whom 135 chronically inflamed maxillary sinuses were operated using functional endoscopic sinus surgery (FESS). At sinoscopy, secretion was found in 91% (41/45) of the radiologically opacified antra and in 47% (31/65) of the antra with moderate or marked mucosal swelling in plain radiographs. Antral fluid level in radiographs was a relatively rare (23%) finding and showed secretion as reliably as opacification. Radiographic detection of secretion in maxillary sinuses with mucosal thickening is difficult. There was a fair correlation in both antral and ethmoidal mucosal changes with the mucosal findings in antroscopy and endoscopic ethmoid surgery.