Abstract
Coronal CT of the paranasal sinuses and the ostiomeatal complex (OMC) was performed before and 12 months after bilateral functional endoscopic sinus surgery (FESS) in 30 patients with sinusitis and 12 patients with nasal polyposis. The extent of sinus mucosal thickening was graded, and the patency of the OMC was evaluated. After FESS, the percentage of open OMCs had increased from 42% to 83% in the sinusitis group, and from 8% to 45% in the polyposis group. There was only a small improvement in mucosal score in sinuses with opened OMC, so that the overall extent of sinus opacification before and after FESS was almost the same. Despite this, 91% of the patients reported clinical relief of symptoms. Preoperative coronal CT of the paranasal sinuses serves as an anatomical map for the surgeon, but there is no benefit of routine postoperative CT.
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Correspondence to: M. Mantoni
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Mantoni, M., Larsen, P., Hansen, H. et al. Coronal CT of the paranasal sinuses before and after functional endoscopic sinus surgery. Eur. Radiol. 6, 920–924 (1996). https://doi.org/10.1007/BF00240706
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DOI: https://doi.org/10.1007/BF00240706