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I. Margulis - Y. Shopen - T. Zaseeva - S. Eid - I. Yakubovich - T. Shochat - E. Soudry

DOI: 10.4193/Rhin25.117

INTRODUCTION: There is no data in the literature regarding the appropriate management of patients with an incidental finding of paranasal sinus fungal ball (FB) or its natural history. This study examined the long-term outcomes of a cohort of patients with FB, pooled from a large imaging database.METHODS: A retrospective screening of 108,369 head imaging studies for phrases indicative of FB in a tertiary referral center, during 2012-2023. RESULTS: A total of 1,716 patients were identified according to the search criteria and their imaging studies were evaluated by the authors. 83 (4.83%) patients were noted to have findings compatible with FB. Mean age was 78.3±11.8 years and median follow-up (FU) time was 59.2 (10.2-178.8) months. The most involved sinuses were maxillary (50.6%) and sphenoid (43.4%). Intra-sinus calcifications and sinus opacification were observed in all patients. Additionally, sinus wall bony sclerosis, and erosion were observed in 44.5% and 2.4%, respectively. 5 (6.0%) patients underwent surgery during follow-up. 4 (4.8%) patients had FB-associated symptoms, and 1 patient (1.2%) had posterior sphenoid sinus wall erosion. No morbidity or complications were reported for the remaining 78 (94%) patients who did not receive treatment. During a median interval of 50 months, 34/49 (69.4%) patients with ≥2 consecutive imaging studies showed no worsening of radiographic findings. CONCLUSION: During an average FU of 5 years of patients with incidental FB findings, the vast majority remained asymptomatic and without complications. Thus, upfront surgical intervention for asymptomatic FB in elderly fragile patients may not be mandatory and a clinical and imaging FU can be a reasonable treatment plan.

Rhinology 0-0: 0-0, 0000