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  • Title: [Sinus mucoceles and surgery in iatrogenic diseases].
    Author: Raynal M, Peynegre R, Beautru R, Coste A.
    Journal: Ann Otolaryngol Chir Cervicofac; 1999 May; 116(2):85-91. PubMed ID: 10577349.
    Abstract:
    The increasing number of mucocele cases treated by the authors during the past ten years coincide with the expansion of functional endoscopic sinus surgery (FESS). The aim of this study is to evaluate the iatrogenic characteristics of this surgery by analysing the locations, time of development and the potential pathogenic factors of sinus mucoceles. Forty-two sinus mucoceles were operated in our department. These mucoceles were most frequently found in the anterior ethmoido-frontal system. Eleven patients had a history of endonasal ethmoidectomy mainly due to nasal polyposis. The time of mucocele formation after initial FESS (< 22 months) seems to be shorter than after exonasal sinus surgery or trauma (< 10 years). Endoscopic and CT-scan revealed different types of sinus obstruction findings: nasofrontal duct occlusion due to a fibrosis and osteogenic scar tissue process, or anterior ethmoid synechia in the case of ethmoido-frontal sinus mucocele, uncinate process fragment or scar tissue duct occlusion as far as maxillary sinus mucocele were concerned. We conclude that there seems to be a correlation between the expansion of FESS and the increasing number of mucocele cases. However, in this context it has to taken into consideration, that our department treats a considerable number of sinus pathology. Anterior ethmoid seems to be a favourable area for sinus mucocele formation. In order to prevent mucocele, it is essential to carry out FESS with great precaution. If endonasal surgery is performed, particularly in the anterior ethmoid, a close endoscopic follow-up, completed by radiological examinations, where necessary, must be ensured.
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