Diagnosis and treatment of nasal and paranasal inverted papillomas – epidemiology and own experience
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<br/><b>Introduction.</b> The aim of this study was to analyse the occurrence of inverted papillomas of the nose and paranasal sinuses in patients that underwent endoscopic sinus surgery in our department. <br/><Material and methods.</b> Between 2006 and 2016, 3,574 patients underwent surgery due to paranasal sinus diseases. Patients were qualified for surgery based on medical history, computed tomography, and laboratory tests. Data were gathered from medical files, and they included age, sex, and histopathological diagnosis. <br/><b>Results.</b> Among 3,574 patients that underwent surgery due to chronic inflammatory changes, on histopathology, inverted papillomas were diagnosed in 80 patients, including 31 women (38.75%) and 49 men (61.25%). Most patients were aged 60-70 years (women, 12.5%; men, 15%) or 50-60 years (women, 5%; men, 21.25%). Between 2006 and 2016, the number of surgeries ranged from 264 (7.38%) in 2013 to 355 (9.93%) in 2016, and the number of inverted papillomas ranged from 4 in 2007 and 2015 (1.23%) to 12 in 2014 (3.87%). Over the last 4 years of the study period, the incidence of inverted papillomas increased. <br/><b>Conclusions.</b> Among 3,574 patients operated on due to chronic inflammatory changes, on histopathology, inverted papillomas were diagnosed in 80 cases (2.23%); thus, all patients qualified for endoscopic surgery due to inflammatory or hypertrophic changes should undergo rhino-fiberoscopy. Recurrence of inverted papillomas was observed in 17.50%, typically in patients with nasal polyps that co-occurred with inverted papillomas. We regard rhino-fiberoscopy as the most valuable method for detecting tumour recurrence in patients after surgery for inverted papillomas.
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