Mucosal maxillary cysts: long-term subjective outcomes after surgical treatment
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RHINOLOGY
Mucosal maxillary cysts: long-term subjective outcomes after surgical treatment Petr Schalek • Luka´sˇ Otruba • Zuzana Horna´cˇkova´ Alesˇ Hahn
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Received: 24 November 2012 / Accepted: 9 January 2013 / Published online: 20 January 2013 Ó Springer-Verlag Berlin Heidelberg 2013
Abstract Mucosal maxillary cysts (MMCs) are usually asymptomatic and are often diagnosed as an incidental finding. The aim of this study is to assess clinical significance of MMCs and the long-term effect of surgical treatment on the symptoms initially addressed to MMCs. The study included a retrospective analysis of 64 patients who had undergone surgery for MMC using a questionnaire focused mainly on the effect surgery had on symptoms. Mean time of follow-up was 79 months. Patients were also divided and compared according to the presence of rhinitic symptoms. Twenty-six patients (63.4 %) reported complete disappearance of symptoms, 8 (19.5 %) reported improvement, 4 (9.7 %) reported no change in symptoms following surgery and 3 (7.3 %) reported that symptoms reappeared. Significantly (p = 0.0365) better results were achieved in patients without preexisting rhinitic symptoms. This study supports the opinion that in some cases, MMCs are involved in the development of sinonasal symptoms. Surgical treatment leads, in most patients, to disappearance or improvement of symptoms and the effect is better in patients without rhinitic symptoms.
sinuses. MMCs are usually asymptomatic and are often diagnosed as an incidental finding on imaging done for other reasons. Prevalence in the general population is reported to range from 3.2 to 35.6 % [1–5]. A recent study conducted on 6,831 subjects with paranasal MRIs reported the prevalence of paranasal sinus cysts to be 7.4 %, with most (93 %) being located in the maxillary sinus [1]. The pathogenesis of MMCs has not been fully elucidated; however, an origin based on an obstruction of the duct of seromucinous mucosal gland is considered likely [6]. Some authors have reported a link between the presence of MMCs and clinical symptoms (facial pain, nasal obstruction, rhinorrhea, cephalea) [7, 8], the clinical significance of MMCs, if any, and the effectiveness of surgical treatment has not yet been fully documented. The aim of this study was to assess the long-term effectiveness of surgical treatment on the symptoms initially associated with MMCs.
Materials and methods Keywords Maxillary sinus cysts Endonasal surgery Long term outcomes Retrospective study
Introduction Mucosal cysts of the maxillary sinus (MMCs) are among the most frequent findings from imaging of the paranasal P. Schalek (&) L. Otruba Z. Horna´cˇkova´ A. Hahn ENT Department of 3rd Medical Faculty of Charles University, Sˇroba´rova 50, 100 34 Prague 10, Czech Republic e-mail: [email protected]
A retrospective analysis of 64 patients who had undergone surgery for MMC between February 2001 and December 2009 was added by distribution of a questionnaire focused on: (a) effectiveness of surgery relative to symptoms, (b) s
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