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, 7 (11), 1070-1075

A Retrospective Analysis of 538 Sinonasal Fungus Ball Cases Treated at a Single Tertiary Medical Center in Korea (1996-2015)

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A Retrospective Analysis of 538 Sinonasal Fungus Ball Cases Treated at a Single Tertiary Medical Center in Korea (1996-2015)

Young Hoon Yoon et al. Int Forum Allergy Rhinol.

Abstract

Background: Sinonasal fungus ball (FB) is a type of noninvasive fungal rhinosinusitis affecting immunocompetent hosts. FB, previously considered rare, has been reported with increasing frequency. We reviewed our experience of 538 cases over the past 20 years.

Methods: We retrospectively examined clinical records including clinical presentations, radiological findings, management, and outcomes of FB patients who have undergone surgery for treatment. The number of FB patients who underwent endoscopic sinus surgery (ESS) was calculated annually. Causal relationships between structural variations and FB were also investigated.

Results: The number of FB patients who underwent sinus surgery has increased. The mean age was 58.3 years, and the gender ratio was approximately 2 (female): 1 (male). While the most common presenting symptoms of maxillary sinus FB patients were nasal symptoms, such as postnasal drip and nasal obstruction, sphenoid sinus FB patients presented with headache mostly. On computed tomography (CT) scans, the most common finding was intralesional hyperdensity (77.3%). There was no significant correlation between the presence of FB and structural variations (nasal septal deviation, concha bullosa, Haller cell). Median follow-up period of the patients was 11 months. Recurrence or residual disease occurred in only 6 (1.1%) cases.

Conclusion: The number of FB patients who underwent surgery has increased steadily over the past 20 years. FB should be considered in patients with unilateral nasal symptoms and unexplained headaches. A preoperative CT scan is an essential tool in making diagnosis easier and faster. Endoscopic surgery is the treatment of choice, with a low morbidity and recurrence rate.

Keywords: ESS; aspergillosis; chronic rhinosinusitis; fungal sinusitis; fungus ball.

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