Orbital Complications of Acute Sinusitis: Comparison of Computed Tomography Scan and Surgical Findings

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Abstract
The accuracy of computed tomography (CT) in distinguishing an abscess from cellulitis in children who present with orbital manifestations of paranasal sinus infection remains in question. In this 10-year retrospective study, CT results are compared with surgical findings in 19 patients with orbital complications who underwent surgical exploration within 24 hours of their CT scans. Fifteen of the 19 CT scan interpretations indicated abscesses that were verified intraoperatively. Two patients had negative surgical explorations despite CT interpretations predicting abscesses. An abscess was also surgically documented in 1 of 2 patients whose preoperative scans indicated cellulitis alone. We conclude that the correlation between radiologic and operative findings in 16 of these 19 cases, although not absolute, does substantiate the use of CT scanning as a therapeutic guide in children presenting with orbital disease secondary to paranasal sinusitis.