Inverted papilloma is a rare benign sinonasal tumour, characterized by a potentially invasive nature. The lateral nasal wall represents the most common site of origin, whereas paranasal sinuses are quite frequently found to be involved by extension. In contrast, primary sinus inverted papillomas have rarely been reported. The present study describes an extremely rare case of inverted papilloma, isolated to the left sphenoid sinus, that was treated by a transnasal endoscopic procedure. The therapeutic approach chosen is discussed and the results of a two-year follow-up are also presented.
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- 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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