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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/220072
Clinical, histological, and HPV-related factors associated to diffuse presentation of exophytic nasal papillomas
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Background: Sinonasal exophytic papillomas (SNEP) are benign tumours arising from nasal mucosa. Human papillomavirus (HPV) infection seems to be related to the aetiology of a fraction of SNEP cases. SNEP presentation can be focal (FSNEP) or diffuse (DSNEP), but factors related to focal or diffuse presentation have not yet been well ascertained. This study aimed to analyse clinical, histological, and HPV-related differences between FSNEP and DSNEP. Methods: A retrospective cohort of 18 patients with SNEP from our centre were evaluated. Demographic, clinical and follow-up data were collected. All samples were subject to histopathological evaluation, DNA quality control, HPV-DNA detection, and viral load assessment. Univariate analyses were performed to evaluate differences between FSNEP and DSNEP. Results: Twelve SNEP patients were included in the final analysis. Seven patients had a diffuse nasal presentation, being younger than patients affected with FSNEP (42.7 years vs. 65.2 years, p = 0.019). The nasal septum was significantly more affected in DSNEP than in FSNEP (85.7% vs. 20%, p = 0.029). HPV-DNA was detected more frequently (100%) in DSNEP (HPV11 in six cases, HPV6 in one case) than in FSNEP (40%, p = 0.045, HPV6 in two cases). The median viral load among HPV6-positive samples was 626.8 virus/cell for FSNEP and 80.2 for DSNEP, and among HPV11-positive samples was 1673.7 for DSNEP. Recurrences were more frequent in the diffuse than in the focal group (85.7% vs. 20%, p = 0.029). Conclusions: The diffuse presentation of SNEP seems to be related to younger patients, nasal septum involvement, HPV infection, mostly HPV11, and a higher risk of recurrence.
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FULLA, Marta, QUIRÓS, Beatriz, CLAVERO, Omar, GOMÀ, Montse, ANDRÉS PABLO, Álvaro de, PAVÓN, Miquel ángel, PENELLA, Anna, ALEMANY I VILCHES, Laia, GONZÁLEZ COMPTA, Xavier, MENA CERVIGÓN, Marisa. Clinical, histological, and HPV-related factors associated to diffuse presentation of exophytic nasal papillomas. _Journal of Clinical Medicine_. 2024. Vol. 13, núm. 22. [consulta: 25 de febrer de 2026]. ISSN: 2077-0383. [Disponible a: https://hdl.handle.net/2445/220072]