Sinonasal inverted papilloma involving the middle ear and the mastoid.

Braz J Otorhinolaryngol

Otorhinolaryngology, Walter Cantídio University Hospital, Medical School of the Federal University of Ceará, Rua Marcondes Pereira no. 987, Dionísio Torres, Fortaleza - CE.

Published: December 2012

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9446363PMC
http://dx.doi.org/10.5935/1808-8694.20120044DOI Listing

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Article Synopsis
  • Sinonasal inverted papilloma (SNIP) has a high recurrence rate and the potential to become malignant, but its specific metabolic pathways and biomarkers are not fully understood.
  • RNA sequencing identified significant gene alterations related to the estrogen biosynthesis pathway and highlighted five key biomarkers (AKR1B10, CYP1B1, CYP2C19, CYP3A5, and HSD17B13) that were correlated with SNIP pathogenesis.
  • Functional analysis indicated that these biomarkers are involved in epithelial cell proliferation and EGFR signaling regulation, suggesting their potential as diagnostic and therapeutic targets for managing SNIP.
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Background: Hyperostosis is a common radiographic feature of inverted papilloma (IP) tumor origin on computed tomography (CT). Herein, we developed a machine learning (ML) model capable of analyzing CT images and identifying IP attachment sites.

Methods: A retrospective review of patients treated for IP at our institution was performed.

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Objective: Prior studies have been contradictory on the role of human papillomavirus (HPV) infection in sinonasal inverted papilloma (SNIP) recurrence. This systematic review and meta-analysis was performed to further evaluate this potential association.

Data Sources: PubMed, Embase, and Scopus electronic databases.

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Uncommon Nasal Mass Presentation: A Radiological Case Series.

J Pers Med

December 2024

Radiological Sciences Section, Department of Biomedicine, Neuroscience and Advanced Diagnostics, University of Palermo, AOUP "Paolo Giaccone", Via del Vespro 129, 90127 Palermo, Italy.

Nasal and paranasal sinus masses can arise from a wide range of conditions, both benign and malignant, as well as congenital or acquired. Diagnosing these masses is often challenging, requiring a combination of nasal endoscopy, imaging studies, and histopathological analysis. Initial imaging frequently involves computed tomography or cone beam computed tomography (CBCT) to evaluate the bony anatomy of the nasal cavity and surrounding sinuses, while magnetic resonance imaging (MRI) is typically used for detailed assessment of soft tissues and to aid in differential diagnosis when the findings are inconclusive.

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Background: To reduce recurrence rates of inverted papilloma (IP), some have argued for the use of intraoperative frozen margins; results remain mixed and studies critically lack lengthy surveillance periods.

Objective: We aim to elucidate the impact of prolonged surveillance and intraoperative frozen margins on IP recurrence.

Methods: This is a retrospective analysis of patients who underwent resection of IP at a tertiary care center over a 10-year period from 2008 to 2018 followed by subsequent surveillance.

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