Topical Application of 5-Fluorouracil for the Treatment of Sinonasal Adenocarcinoma and Inverted Papilloma
- PMID: 38850030
- DOI: 10.1177/19458924241260118
Topical Application of 5-Fluorouracil for the Treatment of Sinonasal Adenocarcinoma and Inverted Papilloma
Abstract
Background: Sinonasal tumors represent a rare and heterogeneous group of rhinologic neoplasms. Even with advancements in surgical approaches, mortality rates of patients with sinonasal adenocarcinoma (SNAC) have not significantly improved and persistently high rates of recurrence in certain patients with inverted papilloma (IP) are seen. The use of 5-fluorouracil (5-FU) has been successfully described as an adjuvant treatment of SNAC and in the prevention of IP recurrence.
Objective: This review aims to present the current evidence on the management of SNAC and IP with topical 5-FU.
Methods: A three-author independent literature review was conducted to identify research involving the use of topical 5-FU for the treatment of SNAC and IP. A total of nine papers on the treatment of SNAC and IP were collected.
Results: The earliest study looking at the combination of adjuvant low-dose radiation and topical 5-FU for adenocarcinoma of the ethmoid sinus showed a 5-year survival rate of 100%. A follow-up study evaluating a similar protocol reported adjusted disease-free survival at 2, 5, and 10 years of 96%, 87%, and 74%, respectively. Similar results have been demonstrated for adjuvant 5-FU use following endoscopic resection and have even been described in the novel setting of transcutaneous 5-FU delivery following frontal trephination. Topical 5-FU has also been described in the treatment of aggressive IP. The largest case series described the use of 5-FU for eighteen cases and demonstrated only a single recurrence.
Conclusion: The use of topical 5-FU currently represents an underutilized therapeutic modality within the treatment of rhinologic neoplasms. Available literature suggests that neoadjuvant use of topical 5-FU can improve survival and decrease recurrence for SNAC and IP. However, the small sample sizes prevent advocation for routine use in the general population and further research on 5-FU is necessary.
Keywords: 5-fluorouracil; endoscopic sinus surgery; immunotherapy; inverted papilloma; sinonasal adenocarcinoma; topical chemotherapy.
Conflict of interest statement
Declaration of Conflicting InterestsThe authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
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