Conditional and Overall Disease-Specific Survival in Patients With Paranasal Sinus and Nasal Cavity Cancer: Improved Outcomes in the Endoscopic Era

Background The management of paranasal sinus and nasal cavity malignancies has evolved significantly with the development of advanced endoscopic techniques and improvements in adjuvant therapy. We sought to characterize both disease-specific survival (DSS) and 5-year conditional disease-specific sur...

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Published in:American journal of rhinology & allergy 2022-01, Vol.36 (1), p.57-64
Main Authors: Sharma, Rahul K., Irace, Alexandria L., Schlosser, Rodney J., Overdevest, Jonathan B., Rowan, Nicholas R., Troob, Scott H., Gudis, David A.
Format: Article
Language:English
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Summary:Background The management of paranasal sinus and nasal cavity malignancies has evolved significantly with the development of advanced endoscopic techniques and improvements in adjuvant therapy. We sought to characterize both disease-specific survival (DSS) and 5-year conditional disease-specific survival (CDSS, the change in life expectancy with increasing survivorship) for sinus malignancies diagnosed before and after the year 2000. Methods Patients diagnosed with sinus and nasal cavity cancer between 1973-2015 were extracted from the Surveillance, Epidemiology, End Results (SEER) registry. Kaplan-Meier analysis for DSS was stratified by year of diagnosis before and after 2000. Cox-proportional hazards models of DSS controlling for stage, age, and year of diagnosis were generated. CDSS was calculated using Cox-regression models stratified by stage. Results We analyzed 10,535 patients. Diagnosis after the year 2000 was independently associated with improved DSS (HR:0.81, 95% CI: 0.75-0.87, P 
ISSN:1945-8924
1945-8932
DOI:10.1177/19458924211019158